Devon · England

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

Which 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

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.

Nearby towns

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