Window Conservation

As window conservation specialists, there are some important guidelines that we follow during the restoration of period windows and doors. What does a window conservation specialist […]

When were sash windows invented?

We spend our days making and repairing timber windows, but when were sash windows invented? This is a great question as we do see their presence […]

Gothic Windows

Gothic windows and architecture originated in the 12th century in Europe. It was a masterful design style used in cathedrals and churches that symbolized the spiritual […]

Sash Window

The Sash Window What are sash windows and why did they become….. and remain…… so popular? It is unclear exactly where they came from, but the […]

How long do wooden sash windows last?

New windows are expensive so it is natural to ask the question how long do wooden sash windows last. In this article we will explore the […]

Irish Construction Excellence Awards 2023

Congratulations to Flynn Management & Contractors for a well-deserved win at the Irish Construction Excellence Awards this week. 16 St. Stephen’s Green won the award for […]

IGS Conservation Award for Riverstown House

Well done to Lotts Architecture on winning the Irish Georgian Society Conservation Award 2022 for Riverstown House in Co. Kildare. We are proud to have worked […]

Tree Planting Partnership

Timeless Sash Windows are delighted to begin a tree-planting partnership with Reforest Nation. We are planting a tree per window sold. This will result in more […]

Timeless and the UN Sustainable Development Goals

The United Nations created 17 Sustainable Development Goals that are globally recognised as a blueprint for a better and more sustainable future for all. Timeless Sash […]

Stunning Sunroom in Dublin

Enjoy these images of a recently completed sunroom in Dublin. This design incorporated two rooflights, double doors opening to the garden and two sets of French […]

Replacement Sash Windows

What are your important decision making processes when you think about replacement sash windows? Is it to improve thermal efficiency and hence elevate the living conditions? […]

Grants for Window Restoration

We are delighted to inform you that there are new grants for window restoration in Ireland in 2023. The Built Heritage Investment Scheme and Historic Structures […]

Sustainable Timber Windows

Creating sustainable timber windows is at the heart of our business. We know how important it is to look after the planet that we live on […]

Architectural Digest magazine

Timeless Sash Windows are delighted to see its windows in a feature article in Architectural Digest magazine. We worked on this stunning residence in Dublin in […]

Guide to sash window hardware

Sash window hardware puts the finishing touches onto your new windows. You might hear people call it ‘furniture’, ‘ironmongery’ or ‘hardware’. A sash window typically has […]

Sash Windows with Double Glazing

Customers often ask us about sash windows with double glazing. Can we double glaze old sash windows? Will double glazed windows eliminate condensation? What are the […]

Benefits of Refurbished Windows

The Benefits of Refurbished Windows Preserving our architectural heritage. The windows are an important element of the design of the building, as such, preserving their original […]

Historic Window Shutters

Timeless Sash Windows are expert at refurbishing original Victorian and Georgian historic window shutters. Additionally, where neglect has badly damaged the shutters, we can exactly match […]

Arched Windows Ireland

Arched windows add a soft line to the symmetry of building facade architecture. Here at Timeless Sash Windows, we handcraft all your window arches from scratch, […]

Case Study – Windows in the Hard Rock Hotel Dublin

The new Hard Rock Hotel Dublin opened it’s doors to welcome customers in 2020. The original Parliament Hotel had a full makeover by the new owners. […]

Rising from the Ashes

At Easter in 2022, our factory premises in Trim was lost to a devastating fire. All machinery, timber and joinery was destroyed. It was a hard […]


As many of you will have heard by now, the main workshop of Timeless Sash Windows in Trim suffered a devastating fire on the evening of […]

Westport House

The famous architects Richard Cassels, James Wyatt, and Thomas Ivory designed Westport House in the eighteenth century. It is considered to be one of Ireland’s most […]

Molyneux House

Molyneux House is a three-story nineteenth-century building with an annex. It was lying vacant before purchase and conversion for use as apartments. Best conservation practise is […]

Sash Windows for Listed Buildings

Original windows are an integral feature in the architecture of period properties. They give an insight into the craftsmanship of the era and also complete the […]

What are the Benefits of Sash Windows?

Since their appearance in Irish architecture in the late 1600s, the benefits of sash windows have ensured their continued use right to the present day. Indeed, […]

Wooden Windows

Timeless Sash Windows make all wooden windows. Wood is a natural, renewable, and sustainable material for building, with a lighter carbon footprint than steel or concrete. Our family joinery has […]

Did you know? Accoya wood is cradle-to-cradle certified

Accoya Wood, 13th January 2022 Green credentials for Accoya wood evolve around the fact that the processed timber is guaranteed anti-rot for 50 years above ground […]

Bespoke Windows and Doors

Bespoke windows and doors, exclusively in timber, are the essence of Timeless Sash Windows. Based in Trim, our joinery has been in business since 1973, almost […]

Period Sash Windows for a Traditional Irish Country Home

This traditional style country home has all new period sash windows and French patio doors by Timeless Sash Windows.

Timber Roof Lantern

Roof lanterns by Timeless Sash Windows are crafted in our workshop in Co. Meath and rebuilt and installed on site to the highest standards of quality […]

Grants for Windows, Ireland

Homeowners wishing to avail of grants for the restoration and refurbishment of windows in older conservation properties in Ireland will find all the information they need […]

Timeless Sash Windows Launch New Showroom in Trim

We are delighted to open the doors to our new Timeless Sash Windows Showroom in Trim, Co. Meath. Aware of a growing demand from customers to […]

Double Glazed Old Sash Windows

Owners of this old schoolhouse chose to fit Fineo double glazing when they upgraded their old timber sash windows.

Fineo glazing Ireland

We are delighted to be working with Energlaze who are bringing a new slim glazing product to the market in Ireland: Fineo glazing. It is one […]

Window Conservation Specialists

Window Conservation Specialists Window conservation is a delicate task that requires an expert eye. At Timeless Sash Windows, we have a dedicated area of the joinery […]

Impact resistant window BS6180

24th August 2020 Impact Resistant Window Ireland In January 2020 we submitted one of our hardwood windows for testing in the UK, specifically for impact resistance. […]

Window Specifications

Window Specifications and information for specifiers. Primarily for builders, architects, QS and developers Who We Are We are a timber window manufacturer with a long, reputable […]

Specialists in Historic Window Restoration

Timeless Sash Windows are specialists in historic window restoration. Builders and architects typically ask if we can match glazing bars and mouldings and what we can […]

Advice for Maintenance and Upkeep of your Windows

It is important to heed the advice that the government are giving & to stay home when possible. Indeed, it is a great time to tackle cleaning sash windows.

Covid-19 and Timeless Sash Windows

Updated 18th March 2020. Reference Covid-19 Dear Customers: Past, Present and Future, Over the years you have trusted us with one of the most important and […]

Seven Edwardian window designs

Edwardian windows, despite a short era in design, are a combination of the best features of Georgian and Victorian style. Open-out, casement windows were the most […]

5 reasons to choose wood windows

Ask Timeless Sash Windows: Unsure whether to choose traditional wood windows or you’ve heard rumours about high maintenance? You want the building to look classical yet […]

Best of Houzz 2020

“Design awards honour professionals whose work was the most popular among the Houzz community. Customer Service honors are based on several factors, including a professional’s overall […]

Five Stunning Georgian Sash windows

Are Georgian sash windows the perfect windows? The ultimate in symmetry and design? Period homes are a finite resource and are in constant demand. That is […]

Side hung windows

What is a side hung window? Side-hung windows, also known as casement windows are outward opening windows that are hinged at the side. This style of […]

Victorian Sash Windows

Victorian sash windows celebrate an era of development in window styles in the latter 1800s. Windows made in this era took advantage of developments in glass […]

Double glazed sash windows

Good news! The reason that you are here is that you have great taste in windows. Double glazed sash windows are stunning to look at from […]

In the news – Sunday Business Post

This week in the Sunday Business Post, Elaine O’Regan talks to Barry Callaghan CEO about the business of Timeless Sash Windows. In this insightful article they […]

IMC Glass wins Architecture Choice Awards with Slim Glaze

IMC Glass are the principal supplier for glazing for your windows at Timeless Sash Windows. Keeping old houses warm is on the mind of many. This […]

Government funding announced for the conservation of protected structures in 2020

Josepha Madigan TD launches the Historic Structures Fund and Built Heritage Investment Scheme Applications are now open through your local council for the Built Heritage and […]

Irish Custom Crafted Windows now available in the UK

Timeless Sash Windows bring their bespoke heritage windows to homes in the UK Timeless Sash Windows are renowned for their quality and workmanship which will bring […]

Explore Programme

Over the past 7 weeks, our factory leaders have participated in the Explore Programme, an initiative of the Department of Education and Skills. The main objective […]

Timeless Sash Windows Trim

We make beautiful timber windows and doors for you Timeless Sash Windows are a large joinery in Trim, manufacturing timber windows and external doors. Additionally, our […]

Hardwood Windows

A recent customer told me how nothing in her period house was straight. During this era in the 1800s, houses were all built individually by tradesmen. […]

How to choose your window frame colour

Whether you are refurbishing old windows or ordering new sashes, you will have an option to choose the paint colour. The most common colour that is […]

Timber Sash Windows

Windows are one of the most important architectural elements in a building. They give the building life and personality by allowing both light and air to […]

Before and After – a glorious Victorian window restoration

Victorian window restoration in south Co. Dublin When I first visited this property in January it was in a poor state of repair. Ken Leonard construction […]

Lambstongue and Ovolo

Wooden glazing bars, whether bonded on the surface of the glass or supporting the glass itself, are moulded internally. These mouldings have various features and have […]

Timber Joinery Ireland

Continuing our popular series ‘This Month in the Joinery’, watch this short video showing the activity at Timeless Sash Windows. At any one time, we have […]

Slim Double Glazing for Sash Windows in Period Homes

Tired of draughts and cold spots in your home? Upset by regular oil deliveries and the increasing costs to you and the planet? Typically an older […]

Irish Made Awards

We are delighted to be shortlisted for the Irish Country Magazine ‘Irish Made Awards 2019’. As a company we have strong values towards both protecting our […]

Biophilic Design and Wooden Windows

Biophilia is the latest buzzword regarding interior design. It reflects living harmoniously with natural products as much as possible in your home. These natural products are […]

This month in the Joinery – July 2019 – making timber windows

The joinery is a busy place making timber windows all year. It is never the same as all products are bespoke. So there is a steady […]

Conservation Sash Windows

At Timeless Sash Windows, we work exclusively with timber and we specialise in conservation sash windows. Timeless Sash Windows have years of experience protecting and preserving […]

Wooden Double Glazed Sash Windows

Double glazing wooden sash windows “Our original sash windows are cold and draughty, what is the best solution?” This is a question that is often posed […]

Casement windows Ireland Printable Guide

In relation to casement windows Ireland, bespoke timber manufacturers, Timeless Sash Windows, will give you expert advice. To help you choose the features of your casement […]

Meet the Team – Patricia Cully CFO

Patricia Cully is the Financial Controller at Timeless Sash Windows. She started at the company in 2005 and has seen the growth of the business from […]

Georgian Windows

What are Georgian windows? Georgian windows are a feature of 18th century architecture. As such, they are often seen through Dublin city and the great houses […]

This month in the Timeless Sash Windows timber joinery

It is always exciting to see the windows and doors move through the timber joinery and out to the fitters vans. This month we have a […]

Shaped windows – ARCHED windows and CIRCULAR windows

Shaped windows add an element of style to your property. Arched windows, Circular windows and Fanlights Arched windows in particular feature heavily in Georgian architecture. Victorians […]

Timber Doors

Looking for a new timber door? Our craftsmen can make you a traditional 6 panel Georgian front door, an elegant Victorian front door or panelled cottage […]

Case Study – Bespoke windows in Ballsbridge, Dublin

Bespoke windows: Your dream is to move into a beautifully restored Georgian or Victorian home, close to work and a great social scene, with space for […]

House at the RDS

House at the RDS 24-26 May 2019 We had a busy weekend exhibiting at House at the RDS in Dublin. House is Ireland’s premier interior design […]

3 Henrietta Street – a Story of Conservation & Restoration

3 Henrietta Street – a story of conservation and restoration 3 Henrietta Street is at the final stage of an extensive restoration covering a two year […]

Original sash windows – Georgian Restoration in Blackrock, Co. Dublin

Original sash windows give this Georgian property real glamour. These have all been refurbished by Timeless Sash Windows to work and look like new. This fantastic […]

Spiral Balance Sash Windows Ireland

This spiral balance sash window shows how the mechanism supporting the sash is inside the frame as opposed to hidden in the reveal. Some sash windows […]

Timeless Sash Windows on the Finer Details of Window Design

TIMELESS SASH WINDOWS ON THE FINER DETAILS OF WINDOW DESIGN Your dreamy light filled home starts with the windows. Think sleek frames with delicate moldings, painted […]

Making Sash Windows at the Timeless Joinery

With about 23 people working full-time in the Timeless Sash Windows joinery, it is a busy place every day. Ollie Conway manages the production in co-ordination […]

Ideas & Inspiration – A beautiful extension and refurbishment in Dublin 6

The homeowners of this Dublin 6 property have cleverly incorporated a neat and bright extension to their classical Georgian terraced home. Timeless Sash Windows were delighted […]

Timber Sash Windows – U values

Timber sash windows – U values. There has recently been a lot of speculation on forums about the difficulty with achieving good U-values in timber sash windows. […]

Meet the Team – Domagoj Juric

Domagoj Juric is the CAD technician at Timeless Sash Windows. He is responsible for the technical drawings for all our products – windows, doors and rooflights. […]

Timeless Sash Windows publish guidebook: IDEAS AND INSPIRATION for BESPOKE DOORS

The doors of Dublin have been iconic take home posters for tourists to Ireland for many years. And for good reason. Your choice of front door […]

Meet the Team – Conor Callaghan

Conor Callaghan has been with Timeless Sash Windows for 2o years and brings a wealth of expert knowledge to his role as Site Project Manager. He […]

Accoya and Tricoya

  Accoya and Tricoya at Timeless Sash Windows:  What is Accoya®? Accoya® is softwood, mostly radiata pine (but also some red alder), that is sourced from […]

Timeless Sash Windows publish IDEAS AND INSPIRATION FOR SASH WINDOWS guide

Ideas and Inspiration for Sash Windows Guide In the news this week, we have published a guide to help choosing the style and finish of your […]

Refurbishing Your Windows and Adding Value to your Home

Refurbishing Your Windows and Adding Value to your Home It is an exciting decision to improve your windows and to add value to your home. Ireland […]

Before and After: A townhouse refurbishment in Kildare

The family bought this gorgeous townhouse in Kildare several years ago and lived in it before deciding on the final plans for the refurbishment. The house […]

Window Glazing

Your window glazing will depend on a number of factors from personal choice to building regulations and thermal requirements. Timeless Sash Windows are a timber joinery […]

Timeless Sash Windows feature in the Irish Times

  To read the full article in the Irish Times: Click Here “We bought the bank, and now we live in it” Kevin and Lisa-Marie Duffy […]

Before & After – a Chic and Cosy Makeover for this Victorian Dublin terrace

Before and After transformations are fascinating to see – how someone’s dream and vision are realised and the process completed. It is lovely to see such […]

Meet The Team – Karen McCarthy

As we conduct this interview there are numerous interruptions and situations that need immediate responses, queries and issues that arise and need to be resolved on […]

Timeless Sash Windows in the Irish Times

This feature in the Irish Times tells the tale of how a run down apartment in Dun Laoighre has received a thoughtful and sophisticated window makeover […]

Sash Window Design Process

The sash window design process requires close collaboration between the sales team, project management team, factory production and window fitters and painters. The above infographic shows […]

Bay Windows

The link between the outside world and the cosy interior of your home is at the heart of a bay window. Bay windows and their lesser […]

Refurbishment and Repair of Sash Windows for Restoration

Refurbishment and repair of sash windows is an important element in the conservation and heritage of buildings. Each county council has a dedicated conservation officer who […]

French Doors

French doors are another bespoke timber specialty made by the team at Timeless Sash Windows. What is the difference between a French door and a patio […]

Meet the Team – Patrick Kelly

Meet the Team: Patrick ‘Paddy’ Kelly – Sales Manager “I don’t drink, I don’t smoke, but if they ever put a tax on talking, I’m in […]

Casement Windows

Join Barry Callaghan for a Q and A on Casement Windows. At Timeless Sash Windows, we are experts in the refurbishment and manufacture of sash windows, […]

Front Doors | Exterior Doors

Consider your front door and the definition that it gives to your home. It is not just the colour but also the design that is important. […]

Case Study – Newbridge College has a full refurbishment

Timeless Sash Windows were delighted to be contracted to undertake a complete overhaul of the windows in Newbridge College in Co. Kildare during the Summer 2018. […]

How to Reduce Condensation on your Windows

How to reduce condensation in your Windows Winter is coming and with that window condensation starts to become an issue in many homes through Ireland. Typically, […]

Meet the Team – Stephen Coogan

New Series: Meet the Team STEPHEN COOGAN “I am a firm believer that it is people who make companies great” Barry Callaghan CEO Stephen is the […]

Timeless Sash Windows – In the Press

Timeless Sash Windows in the press: Timeless Sash Windows have been gathering a lots of press attention recently. You can see why when you see the […]

History of Irish Windows

The history of Irish windows begins in the early eighteenth century. Few windows from before this time survive. Indeed up until the 17th century in Ireland […]

Shutters, Architraves, Panels

Conor described the shutters, architraves and panels before we arrived at the Dublin home that was being refurbished with every attention to detail. He told me […]

Timeless Sash Windows Ireland – company overview

Timeless Sash Windows have been making bespoke timber products in Ireland since 1973 and are specialists in sash windows, casement windows, front doors and window surrounds. […]

RIAI Architects Choice Awards and Architecture Expo 18

This weekend was the Architecture & Building Expo in the RDS, Dublin and the team from Timeless Sash Windows were proud to be exhibiting our beautiful […]

Case Study – New sash windows in an newly built Irish country home

This feature is about new sash windows and doors – modern windows with a traditional look. We have such a fabulous photo gallery for you this […]

Options for Repair and Refurbishment of Original Timber Sash Windows

  This article reviews 10 points to consider for sash window repair in original timber windows: Timber or uPVC Replace rotten timber sections Broken glass Draught […]

Timeless Sash Windows introduce the SLIM-GLAZE SYSTEM


Timeless Sash Windows at the National Ploughing Championships 2018

A sneak peek behind the scenes at the Timeless Sash Windows stand at the National Ploughing Championships 2018. Timeless Sash Windows worked in conjunction with Charolais […]

How To Compare Window Quotes

It is great to have lots of choices, but when you are making a decision for an expensive product such as new windows or doors, how […]

Case Study – a new terrace at Royal Terrace North, Dun Laoighre

An upmarket South Dublin development needs windows and doors that create a wow factor. This new development in such a perfect location demands high calibre fitout […]

Timber Choices for Windows and Doors

  Choosing the correct timber for your windows and doors will ensure great durability, thermal efficiency and timeless elegance for years to come. Different timber species […]

Case Study – No 3 Henrietta Street, Dublin

The restoration of No 3 Henrietta Street is one of the most significant Georgian conservation projects carried out in Dublin in the last 20 years. Timeless […]

Painting Timber Windows – 7 Things You Need to Know

7 is the magic number! You will need to paint your timber windows frames periodically to protect them from the sun and the weather. You should […]

U-values and A-rated windows in Ireland – what’s the difference?

Energy efficient windows, U values and A ratings – do you understand your choices? It is important to get your facts right so that you will […]

Timber Windows or uPVC?

Why should you choose timber versus uPVC windows? Is timber better than uPVC? Is it the right choice for your home and your specifications? Is it […]

Sash Window Parts and Repair

This guide explains how sash windows work and how to solve common problems associated with them. Understanding how your sash windows work will help you to […]

How to Care for Sash Windows

This guide will explain how to care for sash windows which will reward you with efficiency and beauty for years to come. Correctly cared for, timber […]

Home Renovation Incentive Scheme

The Home Renovation Incentive (HRI) scheme is a brilliant initiative of the Irish Government. You can benefit from a 13.5% VAT credit for the supply and […]


We are specialists in restoration, refurbishment and best conservation practise. Using traditional methods, we subtly introduce some modern techniques to improve performance such as our Timeless […]

New Windows and Doors

Our timber doors are as stunning to look at as our windows. With each made to your exacting requirements we can offer a near limitless combination […]