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Conservatory replacement extensions across Tunbridge Wells

Thinking about a conservatory replacement for your Tunbridge Wells home? Start with a free site visit: we measure up, check what the council will allow and give you honest guide figures on the day.

  • Guide price in Tunbridge WellsFrom £22,000 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Build time8–14 weeks on site
  • Postcode districtsTN1, TN2, TN3, TN4
Solid extension with a tiled roof that replaced a conservatory

Guide prices for Tunbridge Wells

Labour and material costs vary across the UK, so for Tunbridge Wells we use our South East England factor (×1.12). The ranges include VAT and exclude design, structural and council fees.

Typical rates in Tunbridge Wells: £2,070 to £3,920 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
3 m × 3.3 m
10 m²
£22,000 – £27,000£24,000 – £31,000£30,500 – £39,500
3.5 m × 4 m
14 m²
£29,000 – £34,500£33,500 – £43,500£43,000 – £55,000
4 m × 5 m
20 m²
£41,000 – £49,500£48,000 – £62,000£61,500 – £78,500

Includes removal of the old conservatory. Reusing existing foundations is only possible after investigation.

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

Planning and approvals in Tunbridge Wells

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 Tunbridge Wells 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.

Building regulations approval is separate from planning. In England you can use the council's building control team or a registered building control approver; a full plans application gets the drawings checked before work starts, and the inspector signs the work off with a completion certificate.

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

Working in Tunbridge Wells

Our survey diary covers Tunbridge Wells, including TN1, TN2, TN3, TN4. The same team covers Tonbridge (4 miles), Sevenoaks (10 miles), Maidstone (14 miles), Swanley (19 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.

What is included

  • Trial holes to check the existing foundations
  • Insulated walls and roof to current regulations
  • Opening widened into the house if wanted
  • Glazing and doors to suit the new room

A replacement is a chance to rethink the shape. Many conservatories are oddly proportioned; for a similar cost the new room can often be squarer, wider or better connected to the kitchen.

Our process, step by step

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

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

  3. Fixed written price

    The price is fixed in writing once the design is settled, with a clear programme and payment stages.

  4. Build and sign-off

    Work is carried out to the agreed programme, inspected by building control and signed off at the end.

Your questions about a conservatory replacement in Tunbridge Wells

Who do I contract with for a conservatory replacement in Tunbridge Wells?

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 you cover all of Tunbridge Wells?

Yes. We cover Tunbridge Wells and the surrounding parts of Kent. Site visits are free and there is no obligation.

Will my neighbours in Tunbridge Wells 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.

Can I keep the existing base?

Sometimes, but conservatory bases are often too shallow for solid walls. Trial holes tell us before we confirm the price.

Is it worth replacing a conservatory with an extension?

If the conservatory is unusable for much of the year, usually yes. A solid extension gives a heated room that counts as proper living space. Our guide range is about £2,070 to £3,920 per m² including VAT, including removal.

Book a free site visit in Tunbridge Wells

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 .

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