Business Details
39 Years
experience
Your Trusted Home Builders in Tadworth
Established in 1987, By Design Windows Tadworth has built a reputation for excellence in supplying and installing high-quality windows, doors, conservatories, and porches. Our team combines over 30 years of industry experience with a commitment to precision and customer satisfaction. Owner Paul Abrahams, with 38 years of expertise, oversees all surveying, ensuring every project meets exact specifications. Our skilled installers, with over 20 years of collective experience, deliver secure, durable solutions using advanced materials like Veka 70mm window systems and Secured by Design-certified bi-fold doors.We are proud members of Checkatrade and Fensa, adhering to rigorous quality standards. Our products, available in a wide range of RAL colours and woodgrain finishes, include triple-glazed windows, composite doors with multi-point locking systems, and bespoke conservatory designs. Every installation comes with a 10-year guarantee, reflecting our confidence in the longevity and performance of our work. We serve both domestic and commercial clients across Tadworth and surrounding areas, prioritising transparency, reliability, and tailored service to meet individual needs.
Services
Windows
Doors
Conservatories
Orangeries
Bi-Fold Doors
Patio Doors
Composite Doors
Details
- Year established: 1987
Highlights and features
- We have over 30 years of experience in home improvement solutions.
- Our team includes experts with 20-38 years of industry experience.
- We are certified members of Checkatrade and Fensa for quality assurance.
- All installations come with a 10-year guarantee for peace of mind.
- We offer bespoke RAL colour options to suit individual property styles.
Associations and certifications
- Checkatrade
- Fensa
- Secured by Design
What people say
Excellent fitters
10-year guarantee
Bespoke options
Secure solutions
Professional quote
Services
Windows
We supply and install high-impact PVCu windows using the Veka 70mm system, featuring multi-chamber construction for durability. Available in white, mahogany, rosewood, and RAL colours, our windows include security locking systems and triple-glazed toughened glass. Designed for energy efficiency and low maintenance, they enhance home aesthetics while providing long-term performance.
Composite Doors
Our composite doors combine security and style with multi-hook locking systems and thermoset GRP skins. Available in woodgrain effects, white, and RAL colours, they feature low thresholds, triple seals, and anti-bump cylinders. Designed for easy access and weather resistance, these doors offer maintenance-free durability and enhanced home security.
Conservatories
We design and construct bespoke conservatories in Gable, Lantern, and Victorian styles, using high-quality materials for seamless home extensions. Our solutions include energy-efficient glazing, custom colour options, and a 10-year guarantee. Ideal for increasing property value and creating versatile living spaces with year-round comfort.
Bi-Fold Doors
Our Secured by Design-certified bi-fold doors offer ultimate security and modern aesthetics with slimline profiles and energy-efficient designs. Available in custom RAL colours and woodgrain finishes, they feature high-security locking mechanisms and smooth operation. Perfect for creating open-plan spaces while maintaining thermal efficiency and weather resistance.
Orangeries
We create luxurious orangeries using modern PVC-U and aluminium, replicating traditional brick-and-glass designs. These extensions provide versatile living spaces like dining rooms or home offices, with energy-efficient glazing and bespoke styling. Designed to blend seamlessly with existing architecture while offering enhanced natural light and insulation.
People
Paul Abrahams
Owner
With 38 years of industry experience, Paul oversees all surveying and project specifications, ensuring precision and client satisfaction. His expertise guarantees tailored solutions that meet exact requirements.
Andy Richardson
Sales Manager
Andy brings 31 years of knowledge to guide clients through product selections, combining functionality with aesthetic appeal. His focus ensures informed decisions for long-term satisfaction.
Sue Cox
Office Administration
Sue manages administrative operations with 24 years of experience, ensuring smooth coordination between clients and installation teams. Her organisational skills support efficient project delivery.
Questions
What areas do you serve?
We operate in Tadworth, Surrey, and surrounding areas for residential and commercial projects.
Do your products come with a warranty?
Yes, all installations include a 10-year guarantee for materials and workmanship.
Are your bi-fold doors secure?
Our bi-fold doors are Secured by Design-certified, featuring advanced locking systems for maximum security.
Can I customise window and door colours?
Yes, we offer bespoke RAL colour options and woodgrain effects to match property styles.
Are you members of any accreditation schemes?
We are certified by Checkatrade and Fensa, adhering to strict quality and compliance standards.
