Wraparound extensions · Surbiton

Wraparound extensions in Surbiton

Planning wraparound extensions in Surbiton? We design and build them for houses across London, and we fix the price for the agreed specification in writing before any building work starts.

Covering Surbiton

Alongside Surbiton, we also cover New Malden, Esher (3 miles to the south-west) and Ewell.

Homes in London

Much of London’s housing is Victorian and Edwardian terraces, which is why side return extensions, rear dormers and mansards are so common. Many streets are in conservation areas, and several boroughs use Article 4 directions that remove some permitted development rights.

What is included in a wraparound extension in Surbiton?

Because it removes two external walls, a wraparound needs careful structural design and a good plan for the corner where the steels meet. We design, apply for any permissions, build and finish the shell, and can fit the kitchen as part of the same contract.

  • Steel frame or goalpost for the corner opening
  • Glazing, insulation, plastering and electrics
  • Optional kitchen supply and installation

What is the guide price for a wraparound extension in Surbiton?

Guide prices for wraparound extensions, including VAT where it applies. Your fixed price is confirmed in writing after the survey.

Wraparound extensionsGuide price incl. VAT
Standard specification£3,400 to £3,800 per m²
Good specification£3,800 to £4,250 per m²
High specification£4,250 to £4,700 per m²

Planning and building rules in Surbiton

In England we deal with the council’s planning team for permission or a lawful development certificate, with building control (the council or a registered building control approver) for inspections, and with neighbours under the Party Wall etc. Act 1996 where it applies.

In England a wraparound extension is treated as one extension, and because it covers both the side and the rear it does not normally fit within permitted development.

What should I think about before starting?

  • The corner steel connection is the critical detail and is designed by a structural engineer.
  • An open-plan space this size needs a heating plan, often underfloor heating.

What happens after I enquire?

  1. Send us the details. Give us a postcode, a rough idea of size and some photos, by phone, form or the guide price tool.
  2. Survey at your house. We look at the existing structure, services and access, and agree what the design needs to achieve.
  3. Drawings, approvals, written quote. We prepare the design, apply for the approvals it needs, and give you a fixed price in writing.
  4. We build it. Work follows an agreed programme, with inspections at each stage and a final sign-off.

Wraparound extensions: common questions

How long does a wraparound take?

Around 12 to 18 weeks on site after approvals.

Can we keep part of the kitchen working?

Often, by sequencing the work so the old back wall comes out last. We agree a plan with you before starting.

How do I get a price for wraparound extensions in Surbiton?

Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.

Also covering

Learn more about wraparound extensions, or see every project we cover in Surbiton.

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