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Kitchen extensions in Christchurch

A kitchen extension in Christchurch starts with the right design and the right approval route. We take care of both, then build it with our own project management.

  • Guide price in ChristchurchFrom £27,500 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Build time10–16 weeks on site
  • Postcode districtsBH5, BH6, BH7, BH23
Kitchen extension with a navy island, flat rooflights and sliding doors to the garden

Kitchen extension prices in Christchurch

These guide figures apply our South West England adjustment (×1.02) to national rates. They include VAT at 20% and cover the build itself; design and council fees are listed separately.

Typical rates in Christchurch: £1,840 to £3,570 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
3 m × 5 m
15 m²
£27,500 – £32,500£32,000 – £41,000£40,500 – £54,000
4 m × 5 m
20 m²
£36,500 – £43,000£42,500 – £54,500£54,000 – £71,500
4 m × 7 m
28 m²
£51,000 – £60,000£59,500 – £76,000£75,500 – £100,000

Build cost only. A mid-range kitchen, supplied and fitted, typically adds £9,000 to £20,000.

Try the guide-price tool to see a range for your own size and finish.

Included in a typical project

  • Roof lantern or rooflights positioned over the work zones
  • Kitchen-led layout planning before the drawings are fixed
  • Extraction routes and ventilation for building regulations
  • Wide sliding or bifold doors to the garden
  • Drainage and services designed for sinks, island and appliances
  • Kitchen fitting by our team or coordination with your supplier

Extensions in and around Christchurch

Across BH5, BH6, BH7, BH23, we can visit, measure and advise. We also work in nearby Bournemouth (4 miles), Ferndown (7 miles), Poole (9 miles), Wimborne Minster (10 miles).

Just over the Hampshire border, New Milton is about 5 miles away. South West homes range from terraced streets in the cities to stone cottages and bungalows in the countryside, and conservation areas are common in historic centres.

Will the council need to approve it?

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.

The planning position for a specific Christchurch address depends on its history and any designations, which is why we check it at the first visit.

If the work involves a shared wall, building on the boundary, or digging foundations within 3 m (sometimes 6 m) of a neighbour's building, the Party Wall etc. Act 1996 applies and notice must be served before work starts: two months for work to a party wall, one month for new walls on the boundary and for excavations.

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

How the project works

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

    First, a site visit: we look at the house, garden, access and drains and listen to what you need.

  2. Design and approvals

    We draw the design, agree it with you and handle planning or permitted development checks and building regulations.

  3. Fixed written price

    With the design and specification agreed, you get a fixed written price and a start date.

  4. Build and sign-off

    We build it with one project manager, book the building control inspections and hand over the completion certificate.

Common questions in Christchurch

Do you cover all of Christchurch?

Yes. We cover Christchurch and the surrounding parts of Dorset. Site visits are free and there is no obligation.

Will my neighbours in Christchurch 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 kitchen extension in Christchurch?

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.

Where should the island go?

Usually under the brightest part of the roof and away from the main walkway to the garden. We test two or three layouts on the plan before deciding.

How much does a kitchen extension cost?

For the extension itself our guide range is about £1,840 to £3,570 per m² including VAT. A standard 20 m² kitchen extension is typically around £42,500 to £54,500 in Christchurch, plus the kitchen itself, which commonly adds £9,000 to £20,000 for a mid-range design.

Book a free site visit in Christchurch

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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