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Trustpilot

Transform your home with Lorimer windows and doors

Trusted by Scottish homeowners, we can confidently say no one offers you more than CR Smith. With over 50 years of experience, the Lorimer range of windows and doors has been designed specifically for Scottish homes and is manufactured locally to fit your specific needs.

project-managed
Project managed
we take care of everything
manufactured-in-scotland
Manufacturing in Scotland
for over 50 years
tradespeople
The LorimerFit™ standard
all our tradespeople are fully qualified and expertly trained
10year guarantee icon
Lorimer 10-year triple guarantee
complete with emergency call-out service
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Save on energy with new windows and doors.

Over time, older windows and doors can let heat escape, producing an unwanted list of maintenance issues. Stay warm and cosy throughout the year with Lorimer double glazing. 

Each window and door is precision-manufactured and installed with care, keeping homes warmer, quieter and more secure. 

You’ll notice the difference straight away. Fewer draughts, more comfort and reduced energy bills.

 

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Why choose CR Smith

  • Over 50 years of expertise in Scotland; decades of invaluable experience
  • The only window designed and manufactured in Scotland for Scottish homes
  • In-house installation teams; expertly trained with a commitment to quality in every project
  • The Lorimer 10 year triple guarantee on product and installation, security plus building regulations
  • A range of window and door styles to suit any home; complete with beautiful interior finishes

 

Beautiful windows and doors made affordable

We offer unrivalled finance packages designed to offer flexibility. 

Available through our third-party lenders, you can tailor your finance package to suit your home improvement budget. With better rates than most banks and building societies, our options ensure affordable monthly payments for everyone.

Choose a payment plan that works for you; 0% interest-free credit or a low-rate buy now, pay later package.

 

Check out our finance calculator

What our customers say

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“Reduced our utility bills”

Mrs Devlin, Kilmacolm

Mr & Mrs Devlin chose to upgrade the windows and doors in their period property with the Lorimer range from CR Smith. The couple loved the beautiful traditional look of the sliding sash window. They also appreciated its ‘A’ rated energy efficiency. Both the storm doors and windows were finished in anthracite grey to bring a modern look to the exterior of their home.

Read the case study
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“Everything ran like clockwork”

Mr & Mrs Coates, Monikie

As previous customers of CR Smith, Mr & Mrs Coates had no hesitation in booking a free quotation when they moved home. A new engineered timber door and Lorimer casement windows have completely revamped the look of their home. The front of the property is now perfectly balanced thanks to some clever window styling.

Read the case study

Find the perfect style for your home

Whether you prefer traditional sliding sash windows or more modern styling with casement windows, Lorimer has the perfect fit. At CR Smith, we understand that every home is unique, which is why we offer a variety of window and door styles. Every style is energy-efficient, secure and built to last.

Casement windows

Scotland’s slimmest window frame is classic and versatile; these windows are perfect for any property style.
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Reversible windows

These windows open outwards and rotate 180 degrees for safe and easy cleaning, which is especially helpful for first-floor rooms and flats. 
Cherry red front door, complete with lever handle, decorative glass inserts and stainless steel letterbox. From our timberLuxe range of composite doors.

TimberLuxe doors

Engineered timber composite doors are industry-leading and combine beautiful styling with security. Available in 19 colours and over 80 styles, the perfect front door awaits.
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Tilt & Turn windows

Offering two opening options: tilt inwards for ventilation and open fully for safe and easy cleaning. They look great in any home but are particularly good for flats and upper floors. 
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Lorimer uPVC doors

The Lorimer range of uPVC doors has been specially designed to complement our windows with an array of styles and colours to choose from.
White sliding sash window with white sills and surrounds in a bedroom

Sliding sash windows

Perfect for period properties, the sliding sash window combines a classic look with modern engineering. 

Patio doors

Sliding patio doors are a great alternative to French doors and are available in two, three and four-part designs. The largest set of patio doors can be manufactured up to a width of five metres.

Secondary glazing

Our secondary glazing adds a layer of thermal efficiency and noise insulation while enhancing security.
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French doors

Create a whole new outlook for your home with access to the garden with a set of French doors, and make the most of your outside space.

Ready to upgrade?

Book a free design appointment today. 

Our product specialist will walk you through what to look for when choosing new windows and doors. From build quality and security to energy efficiency and styling, you’ll feel confident choosing the right products for your home. 

We’ll take detailed measurements to ensure your new windows and doors are precision-crafted for your home and fully comply with Scottish building regulations. 

You’ll receive a tailored quote based on your exact requirements, with finance options to suit your budget.

Scotland’s most trusted window company

  • CR Smith has been Scotland’s most trusted name in windows, doors and living spaces for over 50 years.
  • Over 1.2 million windows and doors manufactured and installed. And still rising. 
  • More “Excellent” reviews on Trustpilot than any other window and door company in Scotland

Our certifications

Our double-glazed sealed units have been successfully manufactured and tested for moisture penetration and gas retention.

BS EN 1279 – 2 & 3 Insulating glass units

BS 7412 window & door sets made
from PVC-U extruded profiles

ISO 14001:2015 Environmental
Management System (EMS)

PAS 24 Enhanced security performance
of windows for domestic applications

ISO 9001:2015 Quality management
system

BS 6375 – 1 Performance of windows
and doors

UK Conformity Assessed

BFRC energy rated
windows and doors

Secured by Design

FAQs

Can I spread the cost of new windows and doors with finance?
How long does installation take?
What guarantee do I get?
Can you replace old sash windows with double glazing?

Latest windows & doors news

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News, Sponsorships

CR Smith becomes first sponsor of the new STV Radio Breakfast Show

We’re incredibly proud to announce that CR Smith is the inaugural sponsor of the STV Radio breakfast show: Ewen and Cat at Breakfast, which will be the flagship show on the brand-new STV Radio station, launching in early 2026.
News

CR Smith teams up with STV Radio to sponsor new podcast – The STV Radio Football Show.

As the headline sponsor of STV radio’s first ever visual-podcast, we’re delighted to continue the tradition of investing in sport across the nation.

News

Young Fife joiner apprentices celebrate success with CR Smith 

Nine young apprentices from across Fife are preparing to take their next step in the world of work after successfully completing joinery training with CR Smith. All will now join the domestic and commercial joinery installation teams across Scotland.

Trustpilot

But don’t just take our word for it…

Just had my new windows and doors install by Micheal and Paul from CR Smith. The guy’s done a fantastic job, always on time, very conscious as to not leave a mess, the quality of their work was excellent. They also chatted away and had a very pleasant manner about them, brought treats for my dogs, would highly recommend as we are delighted with the outcome.

Alexander Allison, Irvine

The guys from Aberdeen were brilliant. They turned up when they said they would. The work carried out was finished to a very high standard. I am very happy with CR Smith and would recommend them to anyone.

James Mcintosh, Aberdeenshire

CR Smith installed inside double glazed door today. Michael and Paul were professional, courteous and informative. Well pleased with the service.

Mr & Mrs Chalmers, Ayr

We have recently had all our windows and doors replaced. The standard of workmanship and quality of the product is excellent. From the salesman to the girls in the office and the workmen we cannot fault them. The joiners tidied up after themselves and all were very polite and respectful. There was an issue with a scratch on one window and it was replaced within a week with no hassle or problems.

Mr & Mrs Paterson, Perth

Well done CR Smith. Great customer service, I work in customer service myself, and I know what giving customers great service is like. Starting with the sales part, we didn’t have to sit through a long sales spiel, which is what we were dreading. Installation, the team were all hard-working , tidy and really pleasant. And lastly the customer service team who kept us updated with the whole process. Thanks again.

Mr & Mrs Pitblado, Dunfermline

Excellent service from start to finish. We ordered our windows three weeks before Christmas expected January fit but after a couple of days Keith the surveyor from Aberdeen who was excellent measured up and windows were fitted and finished before Christmas. Fitters were great never stopped, left a great job, the oak finish to the inside is high-quality timber and looks great against white frames. Sorry forgot to mention Dave Henderson from sales was very helpful.

Mrs Gaffney, Dundee