Golden Ratio Sash Windows and Doors logo
Visit website

Golden Ratio Sash Windows and Doors Reviews 2

•
TrustScore 4 out of 5

3.8

Window Installation Service
Write a reviewVisit website
Write a review

While we don't verify specific claims because reviewers' opinions are their own, we may label reviews as "Verified" when we can confirm a business interaction took place. Read more

To protect platform integrity, every review on our platform—verified or not—is screened by our 24/7 automated software. This technology is designed to identify and remove content that breaches our guidelines, including reviews that are not based on a genuine experience. We recognise we may not catch everything, and you can flag anything you think we may have missed. Read more

Company details

  1. Window Installation Service

Written by the company

Golden Ratio Sash Windows & Doors is London's premier specialist in the restoration, manufacture, and installation of traditional timber windows. Serving North and West London (including Islington, Hampstead, and Muswell Hill), our time-served craftsmen use traditional joinery methods and premium materials like Accoya to faithfully replicate original features. We are experts in working within Conservation Areas and on Grade II listed buildings. Our services range from bespoke double-glazed sash windows and casement window replacements to elegant French doors and draught-proofing. We pride ourselves on a "no mess" service, punctuality, and a 10-year guarantee, helping you preserve your home’s heritage while improving energy efficiency.

Contact info

3.8

Great

TrustScore 4 out of 5

2 reviews

5-star
4-star
3-star
2-star
1-star

How this company uses Trustpilot

See how their reviews and ratings are sourced, scored, and moderated.

Companies on Trustpilot aren't allowed to offer incentives or pay to hide reviews. Reviews are the opinions of individual users and not of Trustpilot. Read more
Rated 5 out of 5 stars

Double-Glazed Sash Windows That Perfectly Match the Originals

We recently had bespoke wooden sash windows installed by Golden Ratio Joinery and couldn’t be happier. A big thanks to Gentian, who managed the site and oversaw the installation—everything was seamless. The windows are high quality and perfectly match the originals. Highly recommend Golden Ratio Joinery if you’re looking for craftsmanship and attention to detail!

16 September 2025
Unprompted review
Golden Ratio Sash Windows and Doors logo

Reply from Golden Ratio Sash Windows and Doors

Thank you so much for taking the time to share your experience with Golden Ratio Joinery. We are thrilled to hear that you are "couldn’t be happier" with your new bespoke wooden sash windows.

It is wonderful to know that they perfectly match the originals while providing the modern benefits of double glazing. We will be sure to pass your kind words along to Gentian; he takes great pride in managing our sites and ensuring every installation is seamless and meets our high standards for craftsmanship.

Providing attention to detail is at the core of what we do, and your recommendation means the world to our team.

Enjoy your beautiful new windows!

Best regards,

The Golden Ratio Joinery Team

Rated 5 out of 5 stars

Highly skilled and professional team

Highly skilled and professional team. The Goldenratio Joinery team delivered outstanding workmanship from start to finish. Their attention to detail and level of skill were evident in every aspect of the job. They worked efficiently, communicated clearly, and took real pride in their craft.

What really stood out was how clean and organised they kept the site throughout the project—everything was well managed, tidy, and safe at all times. It made the whole process stress-free and showed a high level of professionalism.

I wouldn’t hesitate to recommend Goldenratio Joinery to anyone looking for top-quality work and a reliable, respectful team

2 February 2026
Unprompted review
Golden Ratio Sash Windows and Doors logo

Reply from Golden Ratio Sash Windows and Doors

Thank you for such a detailed and thoughtful review! We are delighted to hear that you experienced a stress-free project from start to finish.

At Golden Ratio Joinery, we believe that outstanding workmanship must go hand-in-hand with a professional environment. It is great to hear that our team's commitment to staying clean, organized, and safe stood out to you throughout the process.

We take real pride in our craft, and knowing that our clear communication and efficiency made a difference in your experience is the best compliment we could receive. Thank you for your recommendation and for choosing our team!

Best regards,

The Golden Ratio Joinery Team

The Trustpilot Experience

Anyone can write a Trustpilot review. People who write reviews have ownership to edit or delete them at any time, and they’ll be displayed as long as an account is active.

Companies can ask for reviews via automatic invitations. Labeled Verified, they’re about genuine experiences.

Learn more about other kinds of reviews.

We use dedicated people and clever technology to safeguard our platform. Find out how we combat fake reviews.

Learn about Trustpilot’s review process.

Here are 8 tips for writing great reviews.

Verification can help ensure real people are writing the reviews you read on Trustpilot.

Offering incentives for reviews or asking for them selectively can bias the TrustScore, which goes against our guidelines.

Take a closer look