Transform Your Walton-on-Thames Home with Award-Winning Extensions
Expert design & planning support
Walton-on-Thames specialists
Complete peace of mind
£2M public liability coverage
Transform your Walton-on-Thames home with our complete design and build service. From initial concept to final handover, our in-house architect and expert craftsmen deliver exceptional extensions that enhance your living space and add significant value to your property. Our meticulous attention to detail is second-to-none.
Perfect for creating that dream kitchen-diner, home office, or additional living space your growing family needs.
Maximise your space with a two-storey extension that transforms both ground and first floor living.
Unlike other builders, we have our own qualified architect who understands Walton-on-Thames planning requirements inside out. This means everything is designed to budget, designs more aligned with your vision, faster planning approvals, and seamless project delivery.
Our team will guide you through all aspects of planning permission in Walton-on-Thames, including:
Every extension is built to exceptional standards using 25+ years of building expertise, premium materials and traditional craftsmanship techniques, ensuring your investment stands the test of time.
Our dedicated site foremen have decades of experience delivering complex extensions in Walton-on-Thames, ensuring your project runs smoothly from start to finish.
As Walton-on-Thames building specialists, we understand the unique character of local properties, from Victorian terraces near the station to modern developments by the Thames. Our team understands local planning requirements, the environmental stipulations, building styles, and the specific challenges of extending homes in the area.
Our team takes pride in their work — and while they appreciate the quality workwear we provide, our customers appreciate something far more valuable: their exceptional skills and positive attitude.
Success in construction requires strong management, talented architects, and efficient administration. Yet it’s the people on the ground who transform plans into reality. Their dedication – regardless of weather or conditions — brings forth spaces that are truly a pleasure to live in. Every detail receives the careful attention of craftsmen who genuinely care about the outcome.
Site safety is their highest priority, matched only by their commitment to upholding standards that protect you and your family. They understand that a home isn’t just a building—it’s a place for a lifetime.
Book your complimentary design consultation with our in-house architect. We’ll discuss your vision, assess your property, and provide expert guidance on planning, design, and budget.
Most extensions require planning permission, especially in Walton’s established residential areas. Our in-house architect will assess your property and advise on requirements. We handle the entire planning process, liaising directly with Elmbridge Borough Council.
Single storey extensions in Walton-on-Thames typically take 8-12 weeks, while double storey extensions take 12-16 weeks – TBC. Timeline depends on size, complexity, and planning approval times. We provide detailed schedules before work begins.
Everything from initial concept to final handover: architectural design, planning applications, building regulations, structural calculations, project management, and construction. You deal with one team throughout.
Single storey extensions typically start from £x,xxx per sqm, double storey from £x,xxx per sqm- TBC by Tom. A price guide would be useful to start the conversation, but not essential. Costs vary based on size, specification, and site conditions. We provide detailed quotes after our free consultation.
Absolutely. We specialise in extending Victorian, Edwardian, and period properties throughout Walton-on-Thames, ensuring new work complements existing architectural features while meeting modern living needs.
Yes, we manage all building regulations submissions and inspections. Our designs meet current thermal, structural, and safety requirements, ensuring your extension is compliant and energy-efficient.
We have extensive experience with Walton-on-Thames planning applications and high success rates. If refused, we’ll review the decision and advise on modifications or appeals at no extra charge.
Yes, we regularly work on properties in and around conservation areas. We understand the additional requirements and work with conservation officers to ensure appropriate designs.
All our extensions come with a comprehensive 10-year structural warranty, plus individual warranties on materials and systems. We also provide ongoing maintenance support.
Our architect will assess your property during the free consultation, considering planning constraints, structural requirements, and your specific needs. Most Walton properties have extension potential.
Don’t let space constraints limit your lifestyle. Contact TN Design & Build today for your free consultation with our in-house architect.
TN Design & Build Ltd
Unit 10 Image House
Molesey Road
Walton on Thames
Surrey KT12 3PD