Two-storey extensions in Cheltenham
Homeowners in Cheltenham can use us for the whole project or just the drawings and approvals. Start with a free visit.
Cheltenham at a glance
- Postcode districts
- GL50, GL51 and GL52
- Area
- Gloucestershire, England
- Price region
- South West England
- Nearest towns
- Charlton Kings (2 miles), Bishops Cleeve (3.4 miles), Churchdown (4.2 miles), Tewkesbury (7.2 miles)
- Distance to Gloucester
- about 7.4 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
We cover Cheltenham (GL50, GL51 and GL52) and the places around it, including Charlton Kings (2.0 miles), Bishops Cleeve (3.4 miles) and Churchdown.
Extensions available in Cheltenham
Two-storey rear extensions
Guide from £57,500 in Cheltenham, including VAT.
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Two-storey side extensions
Guide from £88,500 in Cheltenham, including VAT.
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Two-storey wraparound extensions
From £124,000 in Cheltenham. Free visit to firm it up.
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Part single, part two-storey extensions
For homes in Cheltenham: typical guide from £74,000.
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Extensions over a garage
For homes in Cheltenham: typical guide from £32,500.
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First-floor extensions
For homes in Cheltenham: typical guide from £26,000.
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Two-storey extensions for semi-detached houses
Cheltenham guide price from £57,500, Standard spec.
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Two-storey extensions for detached houses
Our South West England guide starts at £88,500 for this type.
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Kitchen extensions with bedrooms above
Guide from £57,500 (before kitchen units) in Cheltenham, including VAT.
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Extra bedroom and en-suite extensions
Cheltenham guide price from £57,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Cheltenham we also design annexes, home offices and bedrooms over garages.
Also available in Gloucestershire
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Party wall notices for extensions
- Design and build two-storey extensions
Rules for Cheltenham
Cheltenham is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Questions about extensions in Cheltenham
Do you cover Cheltenham?
Yes. We cover Cheltenham (GL50, GL51 and GL52) and the surrounding area, including Charlton Kings and Bishops Cleeve. The first site visit is free.
What does a two-storey extension cost in Cheltenham?
Using our South West England guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £57,500–£78,000 including VAT. An extension over a garage is about £32,500–£47,500.
Which other places near Cheltenham do you cover?
Everywhere around it, including Charlton Kings (2 miles), Bishops Cleeve (3.4 miles) and Churchdown (4.2 miles), and the rest of Gloucestershire.