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Business Details
32 Years
experience
Bespoke Timber Windows & Doors in Bracknell
Established in 1994, we are a leading manufacturer and installer of bespoke timber windows and doors, combining traditional craftsmanship with modern performance standards. Our team of skilled joiners creates precision-crafted products using sustainably sourced Accoya timber, renowned for its durability and low maintenance. Backed by a 50-year anti-rot guarantee, our windows and doors enhance energy efficiency while preserving the architectural integrity of period and listed properties. Operating from Berkshire, we serve London and Southern England with expert installation and offer supply-only nationwide.

Recognised as a Which? Trusted Trader and holding an Excellent Trustpilot rating, our commitment to quality and customer service has earned us a reputation as a multi-award-winning business. With over 30 years of experience, we specialise in sash windows, casement windows, front doors, French doors, bi-fold/sliding doors, and secondary glazing, ensuring tailored solutions for every property.
Services
Replacement Sash Windows Casement Windows Front Doors Secondary Glazing Draught Proofing Bi-Fold Doors Sliding Doors Timber Door Manufacturing Supply-Only Windows Conservation Area Solutions
Details
  • Year established: 1994
Highlights and features
  • We have over 30 years of experience in bespoke timber window and door manufacturing.
  • Our products use Accoya timber with a 50-year anti-rot guarantee.
  • Bespoke designs tailored to your property's architectural style.
  • Award-winning Which? Trusted Trader with Excellent Trustpilot ratings.
  • Nationwide supply-only service for trade customers.
Associations and certifications
  • FENSA
  • Which? Trusted Trader
  • Trustpilot
  • Made in Britain
  • FSC
  • Accoya-approved manufacturer
What people say
Excellent service High-quality products Professional installation Bespoke solutions 50-year guarantee
Services
Replacement Sash Windows
Our bespoke wooden sash windows combine traditional craftsmanship with modern energy efficiency. Designed to retain the character of period homes while improving thermal performance, they feature double glazing and a 50-year anti-rot guarantee. Ideal for London and Southern England properties requiring period-compliant upgrades.
Casement Windows
Custom-manufactured timber casement windows offer enhanced insulation while maintaining architectural authenticity. Constructed from sustainably sourced Accoya wood, these windows provide durability and low maintenance, with options for single or double glazing to meet listed building requirements across Southern England.
Secondary Glazing
Discreet secondary glazing systems improve thermal and noise insulation without altering original windows. Tailored for listed buildings in conservation areas, our solutions maintain visual integrity while delivering modern comfort benefits through precision-fitted timber frames.
Draught Proofing
Professional draught-proofing extends window lifespan and reduces energy bills by eliminating air leaks. Our technicians install durable seals and weatherstripping that maintain window functionality while enhancing thermal efficiency, particularly for historic properties in London and surrounding counties.
Timber Front Doors
Bespoke timber front doors combine security and aesthetic appeal, crafted to match property architecture. Featuring multi-point locking systems and optional double glazing, our doors use Accoya wood for longevity, with exact replication available for heritage properties requiring period-accurate replacements.
People
Richard Dollar
Managing Director
Founder of The Sash Window Workshop since 1994, Richard Dollar leads with over 30 years' experience in timber window and door craftsmanship. He established the company's reputation for quality through innovation and traditional techniques.
Helen Barnes
Operations Manager
Helen Barnes oversees daily operations, ensuring seamless project delivery across London and Southern England. With 15 years in joinery management, she maintains the company's high standards for craftsmanship and customer satisfaction.
Andrew Hemingway
Finance Director
Andrew Hemingway manages financial strategy and sustainability for the business. His expertise ensures continued investment in manufacturing excellence while maintaining competitive pricing for supply and installation services.
Questions
Do you provide services outside London and Southern England?
We offer supply-only timber windows and doors nationwide across the UK, with installation services available in London and Southern England.
What guarantees apply to your products?
All Accoya timber products come with a 50-year anti-rot guarantee, covering both materials and workmanship for complete peace of mind.
Can you match existing window designs for listed buildings?
Yes, we specialise in replicating traditional window details to meet planning requirements for listed buildings and conservation areas.
Are your windows energy efficient?
Our double-glazed units achieve high thermal performance ratings, helping reduce energy bills while maintaining period-appropriate aesthetics.
How do you ensure quality control?
Every product undergoes rigorous factory inspections and draught-sealing checks before delivery, with installation teams trained to exacting standards.
What accreditations do you hold?
We are FENSA-registered, Which? Trusted Traders, FSC-certified, and part of the Made in Britain scheme with Accoya-approved manufacturer status.