Home Extension Builders in Victoria
Space in Victoria SW1V and SW1E is won by reconfiguring rather than extending, and Buildaway opens up what is already there, structurally and safely.
Your Local Home Extension
Specialists in Victoria
Need extension and reconfiguration specialists in Victoria (SW1V, SW1E)? Buildaway
works across both postcodes - the mansion flats around Grosvenor Gardens and
Belgrave Road, the terraces near Vincent Square and Westminster Cathedral, and the
blocks by Victoria station, Cardinal Place and Victoria Street.
Space in Victoria is won by reconfiguring rather than extending, and Buildaway opens
up what is already there, structurally and safely. In these SW1 blocks you cannot
build outward, so the work is removing walls, reworking plans and reclaiming badly
used square footage - all of which needs the freeholder, the managing agent and a
structural engineer. Buildaway coordinates every one of them on a single Victoria
contract.
Our Home Extension Packages in Victoria
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 Victoria Homeowners Choose Buildaway
Local teams trusted across Victoria, Westminster, Belgravia, and Central London
Based in your area with local expertise and reputation.
Bespoke extension designs for luxury apartments, high-end homes, and investment properties
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 Victoria Station, Buckingham Palace Road, and SW1 postcodes
Professional consultation and detailed quotes at no cost.
What's Included in Your Home Extensions Services
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 Victoria and surrounding areas, helping customers plan projects with clarity before starting work.
Home Extensions London: The Complete 2026 Guide
Everything from feasibility and planning to structure, cost and programme for a London extension.
Single-Storey Rear Extension Cost London
A realistic cost breakdown for the most common extension in London, with the variables that move it.
Planning Permission for Home Extensions
When you need permission, when permitted development covers you, and how to avoid a refusal.
What Our Clients Say
Real reviews from our satisfied customers.
“We had an excellent experience working with Buildaway. Cormac was incredibly easy to work with, and gave helpful advice. The finished job was neat, professional and completed efficiently. We'd definitely recommend and would use them again!”
Roisin Lawrence
“From scoping to completion, Cormac was always very responsive, answering any questions we had on product selection and helped us source the products to get the best price. His team worked extremely hard and a big shoutout to Greg for his attention to detail! We couldn’t be happier with the results and would highly recommend Buildaway for any building project in the future…”
Georgina Ehmcke
“I am extremely impressed, happy and proud of what he and his team of Archie, Ben and Danny delivered. They all went beyond and far, I am very grateful for what they have done for me. I would 100% recommend Buildaway for any building, renovation etc - an excellent team with a good rapport, team spirit and working harmoniously together. Thank you Team Buildaway…”
Betty Lwanga
“I received an excellent service from the outset with a very high standard of the completed work. Cormac was very responsive to my wish for a traditional period bathroom and helped me to source the suite, the tiles, the paneling and flooring. The team are respectful to the home generally. I am very pleased with the finished bathroom…”
Philomena Mulcahy
“The team turned up when they said they would and kept the house tidy each day, which made a big difference while we were living in the property during the works. The quality of the finish is excellent. The bathroom looks fantastic and the bedrooms feel completely refreshed. We wouldn’t hesitate to recommend Cormac and the Buildaway team…”
Helen Sivyer
“The quality of the work, their high standards, and their professionalism, along with effective and proactive communication made a refreshing change from the builders I have used in the past. Even when we changed our minds and ideas during the job Cormac’s patience and support emphasised that he wanted to make sure that the finished product was exactly what we wanted…”
Michael Marks
Frequently Asked Questions
Your questions about home extensions in Victoria, answered.
How much does a home extension cost in Victoria?
Most Victoria extensions land between £40,000–£60,000 and £60,000–£80,000, with double-storey schemes around Grosvenor Gardens and Vincent Square reaching £100,000+. What people underestimate in SW1V and SW1E is below ground: foundations, drainage diversions and party-wall works are real cost before anything is visible. Buildaway prices them in, not after.
How long does a home extension take in Victoria?
Twelve to twenty weeks on site for Victoria, scheme depending. The build is the predictable part; Westminster City Council determination and party-wall awards are what stretch SW1V and SW1E projects. Buildaway handles both alongside design so the dates hold.
Do I need planning permission for an extension in Victoria?
Many Victoria single-storey rear extensions fall under permitted development, subject to depth, height and materials limits. But conservation-area designation around Grosvenor Gardens and Vincent Square and listed status remove those rights, making Westminster City Council approval essential - and flats in SW1V and SW1E have no permitted development rights at all. Buildaway establishes your position before design.
What types of extension do you offer in Victoria?
We handle single-storey, side-return, wrap-around, double-storey and basement extensions throughout Victoria. The right answer for your SW1V and SW1E property depends on drainage, boundary and Westminster City Council policy. Buildaway establishes those before proposing anything.
Do Buildaway handle both design and construction for Victoria extensions?
We do the whole thing. Buildaway surveys your Victoria property, designs a scheme that is genuinely consentable, secures approval from Westminster City Council, and builds it with our own team - one point of contact from feasibility around Grosvenor Gardens and Vincent Square to sign-off.
Are your extension specialists local to Victoria?
We are in Victoria constantly. Buildaway knows SW1V and SW1E property: the boundaries, the ground conditions, and how Westminster City Council treats rear additions here. That experience makes our feasibility advice reliable rather than optimistic.
Get Your Free Quote
Tell us about your project and we'll get back to you within 24 hours.
We Serve Victoria and Surrounding Areas
Find us in the heart of Victoria. We are proud to serve our local community.
Ready to Transform Your Extension in Victoria?
Buildaway combines expert craftsmanship with stylish design - enhancing property value across Victoria and Central London’s most prestigious neighbourhoods.