Two-storey extensions in Ferndown
Everything for a two-storey extension in Ferndown, in one place: types, guide prices for South West England, the approval rules in England and how to get started.
Ferndown at a glance
- Postcode districts
- BH22
- Area
- Dorset, England
- Price region
- South West England
- Nearest towns
- Wimborne Minster (4 miles), Verwood (4.9 miles), Canford Heath (4.9 miles), Broadstone (5.4 miles)
- Distance to Bournemouth
- about 6.1 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.
Ferndown sits about 6.1 miles from Bournemouth. Closer to home, Wimborne Minster is 4.0 miles away and Verwood 4.9 miles.
Extensions available in Ferndown
Two-storey rear extensions
Design, approvals and build for Ferndown homes. Guide from £57,500.
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Two-storey side extensions
From £88,500 in Ferndown. Free visit to firm it up.
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Two-storey wraparound extensions
Guide from £124,000 in Ferndown, including VAT.
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Part single, part two-storey extensions
Ferndown guide price from £74,000, Standard spec.
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Extensions over a garage
Design, approvals and build for Ferndown homes. Guide from £32,500.
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First-floor extensions
From £26,000 in Ferndown. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Ferndown homes. Guide from £57,500.
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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
Ferndown guide price from £57,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
For homes in Ferndown: typical guide from £57,500 (plus en-suite).
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Ferndown we measure distances to every boundary before suggesting a type.
Also available in Dorset
- 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 Ferndown
Ferndown 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 Ferndown
Do you cover Ferndown?
Yes. We cover Ferndown (BH22) and the surrounding area, including Wimborne Minster and Verwood. The first site visit is free.
What does a two-storey extension cost in Ferndown?
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 Ferndown do you cover?
Everywhere around it, including Wimborne Minster (4 miles), Verwood (4.9 miles) and Canford Heath (4.9 miles), and the rest of Dorset.