Two-storey extensions in Teignmouth
Planning a bigger home in Teignmouth? Compare extension types and guide prices below, then book a free site visit.
Teignmouth at a glance
- Postcode districts
- TQ14
- Area
- Devon, England
- Price region
- South West England
- Nearest towns
- Dawlish (2.8 miles), Kingsteignton (3.8 miles), Newton Abbot (5.2 miles), Torquay (5.9 miles)
- Distance to Plymouth
- about 30.9 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 Teignmouth (TQ14) and the places around it, including Dawlish (2.8 miles), Kingsteignton (3.8 miles) and Newton Abbot.
Extensions available in Teignmouth

Two-storey rear extensions
Guide from £57,500 in Teignmouth, including VAT.
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Two-storey side extensions
Teignmouth guide price from £88,500, Standard spec.
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Two-storey wraparound extensions
Design, approvals and build for Teignmouth homes. Guide from £124,000.
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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
Guide from £32,500 in Teignmouth, including VAT.
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First-floor extensions
Design, approvals and build for Teignmouth homes. Guide from £26,000.
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Two-storey extensions for semi-detached houses
Teignmouth guide price from £57,500, Standard spec.
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Two-storey extensions for detached houses
Guide from £88,500 in Teignmouth, including VAT.
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Kitchen extensions with bedrooms above
From £57,500 (before kitchen units) in Teignmouth. Free visit to firm it up.
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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, side, wraparound or over the garage: each adds space in a different way. For most houses in Devon, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Teignmouth
Teignmouth 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 Teignmouth
Do you cover Teignmouth?
Yes. We cover Teignmouth (TQ14) and the surrounding area, including Dawlish and Kingsteignton. The first site visit is free.
What does a two-storey extension cost in Teignmouth?
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 Teignmouth do you cover?
Everywhere around it, including Dawlish (2.8 miles), Kingsteignton (3.8 miles) and Newton Abbot (5.2 miles), and the rest of Devon.