Two-storey extensions in Exeter
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Exeter.
Exeter at a glance
- Postcode districts
- EX2, EX4, EX6 and EX17
- Area
- Devon, England
- Price region
- South West England
- Nearest towns
- Heavitree (1.4 miles), Exmouth (9.2 miles), Dawlish (10.2 miles), Kingsteignton (12.2 miles)
- Distance to Plymouth
- about 36.4 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.
Around Exeter we also work in Heavitree, Exmouth and Dawlish, and across the rest of Devon. Postcode districts in and near Exeter: EX2, EX4, EX6 and EX17.
Extensions available in Exeter
Two-storey rear extensions
Guide from £57,500 in Exeter, including VAT.
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Two-storey side extensions
Exeter guide price from £88,500, Standard spec.
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Two-storey wraparound extensions
From £124,000 in Exeter. Free visit to firm it up.
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Part single, part two-storey extensions
Our South West England guide starts at £74,000 for this type.
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Extensions over a garage
Our South West England guide starts at £32,500 for this type.
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First-floor extensions
Design, approvals and build for Exeter homes. Guide from £26,000.
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Two-storey extensions for semi-detached houses
For homes in Exeter: typical guide from £57,500.
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Two-storey extensions for detached houses
Design, approvals and build for Exeter homes. Guide from £88,500.
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Kitchen extensions with bedrooms above
Exeter guide price from £57,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Our South West England guide starts at £57,500 (plus en-suite) for this type.
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
Also available in Devon
- 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 Exeter
Exeter 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 Exeter
Do you cover Exeter?
Yes. We cover Exeter (EX2, EX4, EX6 and EX17) and the surrounding area, including Heavitree and Exmouth. The first site visit is free.
What does a two-storey extension cost in Exeter?
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 Exeter do you cover?
Everywhere around it, including Heavitree (1.4 miles), Exmouth (9.2 miles) and Dawlish (10.2 miles), and the rest of Devon.