Business Details
17 Years
experience
Expert Timber Windows & Doors in London
Established in 2009, Repair A Sash is a London-based specialist in timber window and door solutions. Our team combines traditional craftsmanship with modern materials to deliver durable, energy-efficient products tailored to period and contemporary properties. Accredited by GGFi, FENSA, and Which? Trusted Trader, we prioritise customer satisfaction through bespoke design, precise installation, and meticulous repair services. With over a decade of experience, we serve residential clients across London, offering sash windows, casement windows, timber doors, and custom solutions.Our commitment to quality is reflected in our use of sustainably sourced timbers like Accoya, Sapele, and Oak, alongside advanced double glazing technology. Every project adheres to British Building Standards, ensuring compliance and longevity. Positive client testimonials highlight our reliability, attention to detail, and ability to enhance property aesthetics while improving thermal efficiency. We provide transparent pricing, free surveys, and dedicated aftercare, maintaining a professional team of expert joiners who complete installations with minimal disruption.
Services
Sash Windows
Casement Windows
Timber Doors
Bespoke Design
Double Glazing
Details
- Year established: 2009
Highlights and features
- We have over 15 years of experience in timber window and door craftsmanship.
- Our joiners use sustainably sourced Accoya, Sapele, and Oak timbers.
- Bespoke designs tailored to period and contemporary properties available.
- All work meets British Building Standards and FENSA accreditation requirements.
- We guarantee all sash window repair work with comprehensive warranties.
Associations and certifications
- GGFi
- FENSA
- Which? Trusted Trader
What people say
Very professional job
Superb workmanship
Prompt and reliable service
Transformed property appearance
Excellent thermal insulation
Services
Sash Window Repair
Our sash window repair service addresses common issues like broken glass, rotten wood, and faulty mechanisms. Using traditional techniques combined with modern materials, we restore functionality and aesthetics while preserving period features. Repairs include draught-proofing and double glazing upgrades to improve energy efficiency.
Timber Door Installation
We install custom timber doors including front doors, French doors, and bi-fold options. Our doors combine classic styling with contemporary security features, using sustainably sourced hardwoods. Each installation includes precise fitting and weatherproofing for long-term durability.
Double Glazing
Upgrade existing windows with energy-efficient double glazing. This service improves thermal insulation, reduces noise pollution, and lowers energy bills. We use slimline units that maintain the original character of period properties while meeting modern efficiency standards.
Bespoke Joinery
Our bespoke service creates tailored windows and doors to match unique architectural styles. From heritage replication to modern innovations, we work with clients to develop solutions that meet specific design requirements while maintaining structural integrity and aesthetic coherence.
Casement Windows
We supply and install casement windows in traditional and contemporary styles. Available in various timbers with custom finishes, these windows offer superior ventilation, security, and energy efficiency. Our installations include draught-proofing and acoustic glass options for enhanced performance.
People
Boris
Lead Joiner
With over 15 years' experience, Boris specialises in traditional window and door restoration. He combines expert craftsmanship with modern techniques to deliver high-quality installations and repairs, ensuring minimal disruption to clients.
Questions
What services does Repair A Sash offer?
We specialise in sash windows, casement windows, timber doors, and bespoke designs. Services include installation, repair, draught-proofing, and double glazing upgrades.
Are your services available outside London?
We primarily serve London postcodes. Contact us for border area inquiries, as we occasionally accommodate nearby locations based on project scope.
Do you repair existing windows or only install new ones?
We offer comprehensive repair services for sash windows, including glass replacement, frame restoration, and draught-proofing, alongside new installations.
What timber options are available for doors?
We use sustainably sourced Accoya, Sapele, Oak, and Engineered Redwood, offering various finishes and security features for bespoke timber doors.
Do you provide guarantees for your work?
All sash window repairs and installations come with comprehensive warranties. Our work meets British Building Standards and FENSA accreditation requirements.
