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England

Rear extensions in Gloucestershire

Rear extensions in Gloucestershire: we cover 10 towns including Gloucester, Cheltenham and Stroud, with design, approvals and the build under one contract.

Rear extension on a house typical of the area

What are homes in Gloucestershire like to extend?

Stone-built and rendered houses are common around Gloucestershire, so matching the walling is a design decision in its own right: natural stone, reconstituted stone or a render finish across old and new.

Rear extension prices in Gloucestershire

South West prices run slightly above our West Midlands baseline; natural stone to match the house is the main variable. Per square metre including VAT, standard specification:

ExtensionPer m²
Single-storey rear extension£1,980–£3,220
Two-storey (per m² across both floors)£1,870–£2,810
Side return£2,390–£3,950
Wraparound£2,290–£3,740
Glass-led£2,910–£4,990

Planning and building rules in Gloucestershire

English permitted development (Class A) allows a single-storey rear extension of 3 metres on a terraced or semi-detached house and 4 metres on a detached one, measured from the original house, with a maximum height of 4 metres and eaves of no more than 3 metres within 2 metres of a boundary.

England also has the larger home extension route: a single-storey rear extension of up to 6 metres on an attached house or 8 metres on a detached house, after prior approval from the council. The council notifies your neighbours and has 42 days to decide; the fee is £249 (£310 for applications made from 8 December 2026). The route is not available on designated land such as conservation areas.

Every rear extension in England needs Building Regulations approval, whether or not planning is needed. You can use the council's building control service or a registered building control approver, by full plans (checked before work, usually within five weeks) or a building notice, and you get a completion certificate at the end.

The Party Wall etc. Act 1996 applies in England: you serve notice two months before work to a shared wall, and one month before digging foundations within 3 metres (or 6 metres for deeper foundations) of a neighbour's building. Neighbours can agree in writing; if they dissent, surveyors agree an award.

Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent.

Rear extensions we build in Gloucestershire

Towns and districts in Gloucestershire

The main places we cover in Gloucestershire include Gloucester, Cheltenham and Stroud, across postcode areas GL.

Main towns in Gloucestershire
TownPostcode districtsNearest town we also cover
GloucesterGL1, GL2, GL4Churchdown (3.2 miles)
CheltenhamGL50, GL51, GL53Charlton Kings (2.0 miles)
StroudGL5, GL6, GL10Dursley (8.1 miles)
TewkesburyGL20Bishops Cleeve (5.2 miles)
CirencesterGL7Stroud (10.0 miles)
DursleyGL11Stroud (8.1 miles)
Bishops CleeveGL50, GL51, GL52Cheltenham (3.4 miles)
ChurchdownGL3, GL4, GL51Gloucester (3.2 miles)
CinderfordGL14, GL17Ross on Wye (7.0 miles)
Charlton KingsGL50, GL52, GL53Cheltenham (2.0 miles)

Areas near Gloucestershire

FAQ

Questions people ask

How much does a rear extension cost in Gloucestershire?

As a guide, £1,980–£3,220 per square metre including VAT for a standard single-storey extension at South West England rates.

Do I need planning permission in Gloucestershire?

Often not for a single-storey rear extension of up to 3 metres (4 metres on a detached house) under permitted development, or up to 6 or 8 metres with prior approval, unless the house is in a conservation area or its rights have been removed.

Which towns in Gloucestershire do you cover?

10 towns and districts, including Gloucester, Cheltenham and Stroud.

Do you handle building control?

Yes. We apply to the council or a registered building control approver and hand over the completion certificate.

Next step

See what your rear extension would cost

Get a guide price online in a couple of minutes, or book a free site visit and we'll measure up and talk you through the planning route.

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