Two-storey extensions in Timperley
We design, get approval for and build two-storey extensions in Timperley and the surrounding area. Choose the type of extension below or book a free site visit.
Timperley at a glance
- Postcode districts
- M23
- Area
- Greater Manchester, England
- Price region
- North West England
- Nearest towns
- Altrincham (1.1 miles), Hale (Greater Manchester) (1.5 miles), Sale (1.8 miles), Hale Barns (2.3 miles)
- Distance to Manchester
- about 6.8 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 district M23 in and around Timperley, along with neighbouring Altrincham, Hale (Greater Manchester) and Sale.
Extensions available in Timperley

Two-storey rear extensions
Guide from £53,000 in Timperley, including VAT.
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Two-storey side extensions
Design, approvals and build for Timperley homes. Guide from £82,000.
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Two-storey wraparound extensions
Our North West England guide starts at £114,500 for this type.
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Part single, part two-storey extensions
For homes in Timperley: typical guide from £68,500.
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Extensions over a garage
Timperley guide price from £30,000, Standard spec.
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First-floor extensions
From £24,000 in Timperley. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
For homes in Timperley: typical guide from £53,000.
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Two-storey extensions for detached houses
For homes in Timperley: typical guide from £82,000.
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Kitchen extensions with bedrooms above
Guide from £53,000 (before kitchen units) in Timperley, including VAT.
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Extra bedroom and en-suite extensions
Our North West England guide starts at £53,000 (plus en-suite) for this type.
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 Greater Manchester
- 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 Timperley
Timperley 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 Timperley
Do you cover Timperley?
Yes. We cover Timperley (M23) and the surrounding area, including Altrincham and Hale (Greater Manchester). The first site visit is free.
What does a two-storey extension cost in Timperley?
Using our North 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 £53,000–£72,000 including VAT. An extension over a garage is about £30,000–£43,500.
Which other places near Timperley do you cover?
Everywhere around it, including Altrincham (1.1 miles), Hale (Greater Manchester) (1.5 miles) and Sale (1.8 miles), and the rest of Greater Manchester.