Two-storey extensions in West Bromwich
We design, get approval for and build two-storey extensions in West Bromwich and the surrounding area. Choose the type of extension below or book a free site visit.
West Bromwich at a glance
- Postcode districts
- B70 and B71
- Area
- West Midlands, England
- Price region
- West Midlands
- Nearest towns
- Oldbury (1.6 miles), Smethwick (2.1 miles), Wednesbury (2.6 miles), Tipton (3.2 miles)
- Distance to Birmingham
- about 4.7 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.
We cover postcode districts B70 and B71 in and around West Bromwich, along with neighbouring Oldbury, Smethwick and Wednesbury.
Extensions available in West Bromwich
Two-storey rear extensions
From £56,000 in West Bromwich. Free visit to firm it up.
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Two-storey side extensions
Design, approvals and build for West Bromwich homes. Guide from £86,000.
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Two-storey wraparound extensions
Design, approvals and build for West Bromwich homes. Guide from £120,500.
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Part single, part two-storey extensions
For homes in West Bromwich: typical guide from £72,000.
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Extensions over a garage
From £31,500 in West Bromwich. Free visit to firm it up.
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First-floor extensions
Guide from £25,000 in West Bromwich, including VAT.
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Two-storey extensions for semi-detached houses
Guide from £56,000 in West Bromwich, including VAT.
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Two-storey extensions for detached houses
Our West Midlands guide starts at £86,000 for this type.
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Kitchen extensions with bedrooms above
From £56,000 (before kitchen units) in West Bromwich. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Guide from £56,000 (plus en-suite) in West Bromwich, including VAT.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in the West Midlands, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 West Bromwich
West Bromwich 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 West Bromwich
Do you cover West Bromwich?
Yes. We cover West Bromwich (B70 and B71) and the surrounding area, including Oldbury and Smethwick. The first site visit is free.
What does a two-storey extension cost in West Bromwich?
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 West Bromwich do you cover?
Everywhere around it, including Oldbury (1.6 miles), Smethwick (2.1 miles) and Wednesbury (2.6 miles), and the rest of the West Midlands.