Business Details
14 Years
experience
Expert Sash Window Repair & Installation London
Sash Carpentry is a family-run business specialising in traditional sash and casement window installation, restoration, and repair across London and surrounding areas. With over a decade of experience, we prioritise craftsmanship using time-honoured techniques while avoiding subcontracting to ensure quality control. Our team comprises directors and shareholders who take personal responsibility for every project, guaranteeing meticulous attention to detail. We offer a 5-year warranty on all restoration work and a 10-year HomePro insurance-backed guarantee for double glazing installations.Our services cater to both listed buildings and modern properties, maintaining historical authenticity while improving energy efficiency. By addressing common issues like rotten sills and draughts, we restore windows to their original condition without compromising structural integrity. Our commitment to transparency and customer satisfaction has established us as trusted specialists in London's heritage properties.
Services
Sash Window Repair
Double Glazing Installation
Window Restoration
Draught Proofing
Casement Window Services
Details
- Year established: 2012
Highlights and features
- Family-run business with no subcontracting for consistent quality control
- Over 10 years' experience in traditional sash window restoration techniques
- 5-year guarantee on all overhaul and draught-proofing work
- 10-year insurance-backed guarantee for double glazing installations
- Directors and shareholders personally oversee every project
Associations and certifications
- HomePro
What people say
High standards
No disruption
Friendly service
Quick turnaround
Preserved authenticity
Services
Sash Window Repair
Specialists in restoring deteriorated sash windows through traditional joinery techniques. Addressing rot, draughts, and structural damage while maintaining period features. Services include sash box sill replacement, joint tightening, and reglazing to prevent energy loss and water ingress.
Double Glazing Installation
Modern double glazing solutions integrated into heritage windows using slimlite units. Preserves original mouldings and horn details while improving thermal efficiency. Includes complete frame replacement options with nosing and architrave finishes for listed buildings.
Window Restoration
Full restoration of Edwardian, Victorian, and traditional timber windows. Processes include paint stripping, structural repairs, and draught proofing. Maintains historical accuracy while extending window lifespan through hardwood replacements and traditional glazing methods.
Draught Proofing
Specialised draught elimination using traditional wedging techniques and modern seals. Addresses rattling joints and cold air infiltration without altering window aesthetics. Improves comfort and reduces heating costs for period properties.
Casement Window Services
Comprehensive casement window repair, restoration, and installation. Offers acoustic glass options for noise reduction. Combines traditional joinery with modern materials to enhance security and thermal performance in heritage and contemporary buildings.
People
Adam Coulson
Company Director
With over a decade of experience in traditional joinery, Adam leads Sash Carpentry's team of specialists. He personally oversees projects ensuring adherence to heritage standards while implementing modern efficiency upgrades. His expertise in period window restoration has earned recognition across London's conservation areas.
Questions
Do you work on listed buildings?
Yes, we specialise in heritage window repairs compliant with conservation regulations. Our team uses traditional methods and materials approved for listed properties.
What guarantees do you offer?
We provide a 5-year guarantee on restoration work and a 10-year HomePro insurance-backed warranty for double glazing installations.
Can rotten window frames be repaired?
Yes, we restore damaged frames using traditional joinery techniques. Severely rotten sections are replaced with hardwood while maintaining original architectural details.
Do you offer draught proofing services?
Yes, our draught proofing service eliminates cold air infiltration through traditional wedging methods and modern seals without altering window appearance.
What areas do you cover?
We operate across London including Highgate, Belsize Park, Primrose Hill, and surrounding areas like Barnet, Islington, and Finchley.
Are your services available for modern properties?
Yes, while specialising in heritage windows, we also provide contemporary window installations and upgrades suitable for modern buildings.
