Home Extension Builders in Wimbledon
Trusted home extension specialists in Wimbledon (SW19, SW20) offering expert design, planning, and full construction - all delivered by Buildaway.
Your Local Home Extension
Specialists in
Wimbledon
At Buildaway, we've built a strong reputation delivering high-quality home extensions across
Wimbledon and the wider Merton area (SW19, SW20). Our home extension company in Wimbledon has
hands-on experience working with the area's wide variety of property styles - from the grand
Victorian villas and period terraces around Wimbledon Village and Raynes Park, to the Edwardian
semis near Merton Park and post-war properties throughout South Wimbledon and Colliers Wood.
Each property type carries distinct structural characteristics, and our home extension
specialists in Wimbledon understand exactly how to plan and build around them.
We manage every element in-house: home extension planning in Wimbledon, architectural design,
structural engineering, planning applications, Building Control approvals, party wall
agreements, groundworks, brickwork, roofing, and full internal finishing - with no
subcontracting of key trades. Whether you're curious about home extension cost in Wimbledon,
exploring home extension ideas, or trying to understand how much does a home extension cost for
your specific property, our team gives you honest, transparent answers and clear pricing from
the very first conversation. Properties near Wimbledon Common or within Merton's conservation
zones often require careful planning consideration, and our home extension specialists navigate
those constraints confidently on your behalf.
From compact side return extensions and single-storey rear additions through to ambitious
double-storey and wrap-around home extensions in Wimbledon, Buildaway coordinates everything so
the process is smooth, fully compliant, and tailored to how you actually live. As a trusted home
extension specialist in Wimbledon, we don't just add space - we add long-term value to your
home.
Our Home Extension Packages in Wimbledon
Single-Storey Rear Extension
Ideal for expanding your living space. Includes structural survey, architectural drawings, groundworks and foundations, brickwork and roofing, bi-fold or sliding doors, heating installation, building regulation approval.
Side Return Extension (Most Popular)
Complete kitchen and living area transformation. Includes structural assessment, full groundworks, steelwork if required, brickwork and matching materials, glazing and doors, full insulation, electrics upgrade, flooring, building regulation approval, waste removal.
Double-Storey Extension
For those seeking maximum space addition. Includes architectural design, full structural alterations, steelwork and foundations, bespoke staircase, multiple room creation, bathroom or en-suite option, planning and building regulation handling.
Why Wimbledon Homeowners Choose Buildaway
Local teams trusted across Wimbledon Village, Southfields, Raynes Park, and South West London
Based in your area with local expertise and reputation.
Bespoke extension designs for detached homes, period conversions, and high-end apartments
We handle everything so you don't have to worry.
Transparent and honest pricing with no hidden fees or unexpected charges.
Clear upfront pricing with no surprises along the way.
Full project management for a seamless, stress-free experience
Meticulous craftsmanship in every aspect of your extension.
Completed projects near Wimbledon Common, Church Road, and SW19 postcodes
Professional consultation and detailed quotes at no cost.
Our Home Extension Services in Wimbledon
Everything you need for a seamless, stress-free home extension - from structure to finish.
Full groundworks and structural build
Complete groundwork preparation and structural construction services.
Plumbing, electrics, and heating integration
Professional installation of all mechanical and electrical systems.
Roofing, windows, and external finish
Complete roofing, window installation and exterior finishing.
Plastering, flooring, and decorating
Professional plastering, flooring and decorating services.
Interior fit-out and finishing
Complete interior fit-out and professional finishing touches.
Project management and schedule control
Professional project management and timeline control throughout.
Latest Home Extension Insights
We publish detailed home extension guides and cost insights for homeowners across Wimbledon and surrounding areas, helping customers plan renovations with clarity before starting work.
House Extension Costs in Wimbledon 2025 - The Complete Homeowner's Guide
A complete breakdown of home extension costs in Wimbledon. Understand labour, materials, and budgeting for your project.
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Do I Need Planning Permission for a Home Extension in Wimbledon?
Expert insights into planning permission and building regulations for home extensions in Wimbledon.
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Single-Storey vs Double-Storey Extensions in Wimbledon 2026: Cost, Space, and ROI
Compare single-storey and double-storey home extensions in Wimbledon - costs, planning requirements, space gains, and return on investment.
Read GuideWhat Our Clients Say
Real reviews from our satisfied customers.
"A great transformation of my bathroom into something modern and sleek. Cormac was professional to work with from the start and was very helpful in taking my ideas and sourcing products to fit the space and look aesthetically pleasing. I felt confident in…"
Vera Jajechnyk
"We recently used Buildaway for a full bathroom renovation at our home in Orpington, along with plastering, redecoration of both bedrooms and new spotlights installed in the bedrooms. From start to finish the experience was smooth and well organised. Cormac…"
Helen Sivyer
"We’ve had a genuinely fantastic experience with Buildaway. Cormac was ultra responsive and excellent at communicating with us throughout our project. The quality of the work was excellent - so much so, that we extended our project by adding a range of other…"
Kiran Collier
"It was an absolute pleasure working with Cormac and the Buildaway team. Greg is an absolute star. Cormac’s communication and advice was excellent, and the organisation and sourcing of additional materials was brilliant. A truly great team, I would thoroughly…"
Sim Lewis
"It was a pleasure working with the Buildaway team to reimagine a tired old bathroom into the most attractive room in the house in just two weeks. Cormac's enthusiasm, communication, and project management are top-notch - he went above and beyond on more than…"
Kane Dempsey
"Buildaway recently finished a two week job completely renovating my bathroom and part renovation of the downstairs toilet. Cormac and his team did an incredible job. The quality of the work, their high standards, and their professionalism, along with…"
Michael Marks
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Frequently Asked Questions
Your questions about home extensions in Wimbledon, answered.
How much does a home extension cost in Wimbledon?
Home extension cost in Wimbledon typically ranges from £45,000 to £110,000+. A single-storey rear extension (3m x 4m) costs £45,000–£65,000, larger single-storey extensions (5m x 6m) run £65,000–£85,000, side returns £35,000–£55,000, and double-storey extensions £85,000–£110,000+. Costs vary based on groundworks, finishes, and whether the property sits within a conservation area. Buildaway provides full itemised home extension cost Wimbledon breakdowns before any work begins.
How does home extension cost in Wimbledon compare to the UK average?
Home extension cost in Wimbledon runs around 20–30% above the UK national average due to South West London labour and material rates. Where a typical single-storey rear extension averages £35,000–£50,000 nationally, a comparable home extension in Wimbledon more realistically sits at £45,000–£65,000. The SW19 and SW20 postcodes sit firmly at the premium end of home extension cost UK pricing. Buildaway offers transparent, no-hidden-fee estimates throughout.
How long does a home extension in Wimbledon take?
Most home extensions in Wimbledon complete within 12 to 20 weeks. Single-storey rear extensions take 12–14 weeks, side returns 10–12 weeks, and double-storey extensions 16–20 weeks. Timelines depend on planning permission duration, groundworks complexity, and Building Control stages. Party wall agreements or conservation area consents may add further lead time. Buildaway sets realistic programme dates from the start and keeps you informed throughout.
What home extension types does Buildaway offer in Wimbledon?
Buildaway offers single-storey rear extensions, side return extensions, double-storey additions, wrap-around extensions, and garage conversions across Wimbledon. Our home extension specialists assess your property's footprint, garden space, and planning constraints before recommending the best solution. We tailor home extension plans in Wimbledon to suit your budget, lifestyle, and property character.
How does home extension planning in Wimbledon work with Buildaway?
We begin with a free site survey covering your property's structure, boundaries, drainage, and local planning requirements. We discuss your home extension ideas and work through how much a home extension costs for your specific property type. Buildaway then produces full architectural drawings and structural calculations, managing all submissions to Merton Council where needed - right through to Building Control completion certificates.
Does Buildaway manage both design and construction for home extensions in Wimbledon?
Yes - Buildaway handles the complete journey from design through to finished construction. Our in-house team of architects, structural engineers, and tradespeople covers planning applications, party wall agreements, Building Control submissions, and all construction trades including groundworks, brickwork, roofing, carpentry, electrics, plumbing, and plastering. As an integrated home extension company in Wimbledon, you have a single point of contact from first conversation to final handover.
We Serve Wimbledon and Surrounding Areas
Find us in the heart of Wimbledon. We are proud to serve our local community.
Ready to Transform Your Extension in Wimbledon?
Buildaway combines expert craftsmanship with stylish design - enhancing property value across Wimbledon and London’s prestigious property market.