Two-storey extensions in Halesowen
Need more room in Halesowen? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Halesowen at a glance
- Postcode districts
- B62, B63 and B64
- Area
- West Midlands, England
- Price region
- West Midlands
- Nearest towns
- Bartley Green (2.4 miles), Brierley Hill (3.8 miles), Oldbury (3.8 miles), Dudley (3.8 miles)
- Distance to Birmingham
- about 6.7 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 Halesowen we also work in Bartley Green, Brierley Hill and Oldbury, and across the rest of the West Midlands. Postcode districts in and near Halesowen: B62, B63 and B64.
Extensions available in Halesowen

Two-storey rear extensions
Design, approvals and build for Halesowen homes. Guide from £56,000.
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Two-storey side extensions
From £86,000 in Halesowen. Free visit to firm it up.
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Two-storey wraparound extensions
Halesowen guide price from £120,500, Standard spec.
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Part single, part two-storey extensions
Design, approvals and build for Halesowen homes. Guide from £72,000.
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Extensions over a garage
Design, approvals and build for Halesowen homes. Guide from £31,500.
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First-floor extensions
Halesowen guide price from £25,000, Standard spec.
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Two-storey extensions for semi-detached houses
From £56,000 in Halesowen. Free visit to firm it up.
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Two-storey extensions for detached houses
Halesowen guide price from £86,000, Standard spec.
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Kitchen extensions with bedrooms above
Guide from £56,000 (before kitchen units) in Halesowen, including VAT.
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Extra bedroom and en-suite extensions
From £56,000 (plus en-suite) in Halesowen. Free visit to firm it up.
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 Halesowen we measure distances to every boundary before suggesting a type.
Also available in the West Midlands
- 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 Halesowen
Halesowen 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 Halesowen
Do you cover Halesowen?
Yes. We cover Halesowen (B62, B63 and B64) and the surrounding area, including Bartley Green and Brierley Hill. The first site visit is free.
What does a two-storey extension cost in Halesowen?
Using our West Midlands 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 £56,000–£75,500 including VAT. An extension over a garage is about £31,500–£46,000.
Which other places near Halesowen do you cover?
Everywhere around it, including Bartley Green (2.4 miles), Brierley Hill (3.8 miles) and Oldbury (3.8 miles), and the rest of the West Midlands.