Two-storey extensions in Bartley Green
Need more room in Bartley Green? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Bartley Green at a glance
- Postcode districts
- B29, B30, B31, B32, B38 and B45
- Area
- West Midlands, England
- Price region
- West Midlands
- Nearest towns
- Halesowen (2.4 miles), Smethwick (4.2 miles), Oldbury (4.5 miles), Birmingham (5.2 miles)
- Distance to Birmingham
- about 5.2 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 Bartley Green we also work in Halesowen, Smethwick and Oldbury, and across the rest of the West Midlands. Postcode districts in and near Bartley Green: B29, B30, B31, B32, B38 and B45.
Extensions available in Bartley Green
Two-storey rear extensions
Our West Midlands guide starts at £56,000 for this type.
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Two-storey side extensions
For homes in Bartley Green: typical guide from £86,000.
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Two-storey wraparound extensions
Design, approvals and build for Bartley Green homes. Guide from £120,500.
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Part single, part two-storey extensions
Bartley Green guide price from £72,000, Standard spec.
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Extensions over a garage
Design, approvals and build for Bartley Green homes. Guide from £31,500.
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First-floor extensions
Our West Midlands guide starts at £25,000 for this type.
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Two-storey extensions for semi-detached houses
For homes in Bartley Green: typical guide from £56,000.
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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
Our West Midlands guide starts at £56,000 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Guide from £56,000 (plus en-suite) in Bartley Green, including VAT.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Bartley Green we also design annexes, home offices and bedrooms over garages.
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 Bartley Green
Bartley Green 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 Bartley Green
Do you cover Bartley Green?
Yes. We cover Bartley Green (B29, B30, B31, B32, B38 and B45) and the surrounding area, including Halesowen and Smethwick. The first site visit is free.
What does a two-storey extension cost in Bartley Green?
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 Bartley Green do you cover?
Everywhere around it, including Halesowen (2.4 miles), Smethwick (4.2 miles) and Oldbury (4.5 miles), and the rest of the West Midlands.