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Home office extensions for homes in Reigate

Planning a home office extension in Reigate? We survey the house, work out the planning route, draw the design and build it, so you deal with one team from the first visit to the completion certificate.

  • Guide price in ReigateFrom £17,500 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Build time8–12 weeks on site
  • Postcode districtsRH2
Home office extension with a desk facing a large garden window and a rooflight

When a home office extension makes sense

  • Homes where a loft or garden room is not practical
  • Households that need a second quiet room
  • People who work from home most of the week

North-facing glass and rooflights give steadier light for screen work. Where the office faces south, we use deeper reveals or external shading to keep glare and heat down.

Home office extension prices in Reigate

For Reigate we adjust our national guide rates by ×1.12, the factor we use for South East England. Figures include VAT; your written quote after the survey replaces them.

Typical rates in Reigate: £2,070 to £3,810 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
2.5 m × 3.2 m
8 m²
£17,500 – £21,500£19,000 – £24,500£24,000 – £30,500
3 m × 3.6 m
11 m²
£22,500 – £27,500£26,000 – £33,500£33,000 – £42,000
3 m × 5 m
15 m²
£31,000 – £37,000£36,000 – £45,500£45,000 – £57,500

Want a range for your exact size? The guide-price tool takes about a minute.

Local to Reigate

Across RH2, we can visit, measure and advise. The same team covers Redhill (2 miles), Horley (5 miles), Banstead (6 miles), Caterham (6 miles), all within easy reach.

Homes across the South East range from Victorian terraces in the older town centres to large detached houses on the edges, so the right extension type varies street by street.

Planning rules that apply in Reigate

In England a single-storey rear extension can usually go up to 3 m beyond the original rear wall of a semi-detached or terraced house, or 4 m on a detached house, without a planning application, provided it is no more than 4 m high, keeps eaves to 3 m within 2 m of a boundary and, with other buildings, covers no more than half the land around the original house. The larger home extension prior approval scheme raises those depths to 6 m and 8 m, with neighbours notified and a 42-day decision.

Homes in conservation areas, national parks, National Landscapes (formerly AONBs), the Broads and World Heritage Sites have tighter rules, so we always check the property's status and planning history before design starts.

Building over or within 3 m of a public sewer needs the water company's consent, usually through a build-over agreement, before the foundations go in.

Applications are decided by the local planning authority (your district, borough or unitary council).

From first visit to completion

Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.

  1. Free site visit

    It starts with a visit to your house to measure, check access and talk through ideas and budget.

  2. Design and approvals

    Drawings are prepared and agreed with you, then submitted for the right planning route and building regulations approval.

  3. Fixed written price

    You receive a written, itemised price and programme. Nothing starts until you are happy with it.

  4. Build and sign-off

    The build is managed from start to finish, inspected at each stage and signed off on completion.

Common questions in Reigate

Will my neighbours in Reigate be involved?

If a planning application or prior approval is needed, the council notifies neighbours. If the work is on or near a shared boundary, party wall notices may also be needed.

Who do I contract with for a home office extension in Reigate?

Your contract is with S&K Property Investments and Improvement Ltd, which designs and manages the project and the build teams who carry it out.

Do I need building regulations approval in Reigate?

Yes. Almost every extension needs it, whatever the planning route. We prepare the drawings and book the inspections.

How much does a home office extension cost?

Our guide range is about £2,070 to £3,810 per m² including VAT. An 11 m² standard-spec office is typically £26,000 to £33,500 in Reigate.

Can I claim the cost against tax?

Building work on your home is not normally an allowable business expense, and claiming it can have capital gains tax effects. Speak to an accountant before assuming any tax relief.

Book a free site visit in Reigate

We will measure up, check the planning position and give you honest guide figures.

  • Free, no-obligation site visit
  • Planning route checked before you spend on drawings
  • Written price once the design is agreed
  • Building control sign-off at the end

Prefer to talk? Call 0800 088 6341 or .

Book a free site visit

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