Two-storey extensions in Castle Vale
We design, get approval for and build two-storey extensions in Castle Vale and the surrounding area. Choose the type of extension below or book a free site visit.
Castle Vale at a glance
- Postcode districts
- B34, B35, B36 and B76
- Area
- West Midlands, England
- Price region
- West Midlands
- Nearest towns
- Washwood Heath (1.8 miles), Sutton Coldfield (3.4 miles), Chelmsley Wood (3.7 miles), Aston (3.9 miles)
- Distance to Birmingham
- about 5 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 Castle Vale (B34, B35, B36 and B76) and the places around it, including Washwood Heath (1.8 miles), Sutton Coldfield (3.4 miles) and Chelmsley Wood.
Extensions available in Castle Vale

Two-storey rear extensions
Guide from £56,000 in Castle Vale, including VAT.
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Two-storey side extensions
Castle Vale guide price from £86,000, Standard spec.
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Two-storey wraparound extensions
Guide from £120,500 in Castle Vale, including VAT.
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Part single, part two-storey extensions
Design, approvals and build for Castle Vale homes. Guide from £72,000.
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Extensions over a garage
From £31,500 in Castle Vale. Free visit to firm it up.
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First-floor extensions
Design, approvals and build for Castle Vale homes. Guide from £25,000.
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Two-storey extensions for semi-detached houses
From £56,000 in Castle Vale. Free visit to firm it up.
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Two-storey extensions for detached houses
Design, approvals and build for Castle Vale homes. Guide from £86,000.
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Kitchen extensions with bedrooms above
For homes in Castle Vale: typical guide from £56,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £56,000 (plus en-suite) in Castle Vale, including VAT.
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 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 Castle Vale
Castle Vale 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 Castle Vale
Do you cover Castle Vale?
Yes. We cover Castle Vale (B34, B35, B36 and B76) and the surrounding area, including Washwood Heath and Sutton Coldfield. The first site visit is free.
What does a two-storey extension cost in Castle Vale?
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 Castle Vale do you cover?
Everywhere around it, including Washwood Heath (1.8 miles), Sutton Coldfield (3.4 miles) and Chelmsley Wood (3.7 miles), and the rest of the West Midlands.