SJB Sash Windows Specialist Ltd
Skills
- Conservatory Installation
- Windows and Doors
- Window Fitters
- Wooden Sash Windows Installation
- Double Glazing Repair
- Timber / Wooden Windows Installation
- Exterior Doors Installation
- Bifold Doors Installation
Services
Customer Reviews
Write a review9.27 /10
Based on 10 reviews over the past 12 months
Quality of work
9.2
Reliability
9.2
Communication
9.4
Reviews (212)
9.67 Bay Windows Installation
Posted 25 March
Excellent service
The service was excellent, all staff were professional and courteous from start to finish. SJB is family run and they care about the customer as well as clearly being technically strong, and very knowledgeable in what needs to be done and how to get the best results for your windows. The windows are excellent! I would thoroughly recommend.Verified reviewerJob location: SW1110 Wooden Sash Windows Installation
Posted 19 February
10 stars!
The windows are absolutely gorgeous! They have changed the entirety of my flat - and the service received was spectacular!Verified reviewerJob location: SE2410 Timber / Wooden Windows Installation
Posted 05 November 2025
Wooden sash windows installation
Website, communication, site visit and quotation process was handled swiftly and well. Price quoted competitive and not as high as other shortlisted supplier. Fabricated windows produced to a high standard. Work was scheduled earlier than expected. Professional and skilled installation.Verified reviewerJob location: SW210 Wooden Sash Windows Installation
Posted 14 October 2025
Great service, great windows professionally installed, good price.
First rate service from this well-established family firm – from initial contact through to the final invoice. Very well-made windows, professionally installed. Competitively priced.Verified reviewerJob location: NW6Response from SJB Sash Windows Specialist Ltd
Hi Henry, Thank you for taking the time to leave us your kind words, they are very much appreciated. We are so glad to hear you are so pleased with the windows and the process. Thank you once again, The SJb team.
10 Wooden Sash Windows Installation
Posted 08 October 2025
Very professional from start to finish
Very professional from start to finish, friendly service, clear communication and excellent quality installation. I would definitely recommend!Verified reviewerJob location: SW1610 Wooden Sash Windows Installation
Posted 04 October 2025
Very knowledgeable and professional service
Very professional service and very happy with the new window. The team are knowledgeable and guided us through the process - would definitely recommendJob location: SE5
Photos
Company Info
Owner
Mr Stephen Boylan
Ltd Company
10 years on Checkatrade
VAT Registered
Yes: 253557200
SJB Sash Windows is a family-run business specialising in the manufacture and installation of traditional timber sash windows & doors, serving the London area since 2001. Our range of products and services are designed to improve energy efficiency whilst maintaining curb appeal & architectural integrity.
We specialise in the manufacturing, installing and servicing of sash windows & doors. You can count on our expert and experienced staff to provide a trustworthy service that will go beyond your expectations. Whether you need new sash windows or your existing windows repairing we have exactly what you need at prices you can afford.
At SJB Sash Windows we cover all stages of sash window ownership, from installing or reinstating new sash windows through to repairing and replacing existing wooden sash windows. Your new sash windows and box frames are bespoke and manufactured to order. They are installed by our own specialists and are fully guaranteed for your peace of mind.
This trade passed up to 12 Checkatrade vetting checks
Member since November 2016
Individual checks
Identification
Proof of address
Financial
Qualifications and accreditations
County court judgement
Open source media
Business checks
Customer Reviews
Company trading history
Company duplication
County court judgement
Enhanced business check
Director checks