Two-storey extensions in Altrincham
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Altrincham.
Altrincham at a glance
- Postcode districts
- WA14
- Area
- Greater Manchester, England
- Price region
- North West England
- Nearest towns
- Hale (Greater Manchester) (0.9 miles), Timperley (1.1 miles), Hale Barns (1.9 miles), Sale (2.8 miles)
- Distance to Manchester
- about 7.9 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 Altrincham (WA14) and the places around it, including Hale (Greater Manchester) (0.9 miles), Timperley (1.1 miles) and Hale Barns.
Extensions available in Altrincham
Two-storey rear extensions
Our North West England guide starts at £53,000 for this type.
Learn more
Two-storey side extensions
Guide from £82,000 in Altrincham, including VAT.
Learn more
Two-storey wraparound extensions
From £114,500 in Altrincham. Free visit to firm it up.
Learn more
Part single, part two-storey extensions
Altrincham guide price from £68,500, Standard spec.
Learn more
Extensions over a garage
Design, approvals and build for Altrincham homes. Guide from £30,000.
Learn more
First-floor extensions
From £24,000 in Altrincham. Free visit to firm it up.
Learn more
Two-storey extensions for semi-detached houses
Guide from £53,000 in Altrincham, including VAT.
Learn more
Two-storey extensions for detached houses
Altrincham guide price from £82,000, Standard spec.
Learn more
Kitchen extensions with bedrooms above
For homes in Altrincham: typical guide from £53,000 (before kitchen units).
Learn more
Extra bedroom and en-suite extensions
For homes in Altrincham: typical guide from £53,000 (plus en-suite).
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Greater Manchester, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Altrincham
Altrincham 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 Altrincham
Do you cover Altrincham?
Yes. We cover Altrincham (WA14) and the surrounding area, including Hale (Greater Manchester) and Timperley. The first site visit is free.
What does a two-storey extension cost in Altrincham?
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 Altrincham do you cover?
Everywhere around it, including Hale (Greater Manchester) (0.9 miles), Timperley (1.1 miles) and Hale Barns (1.9 miles), and the rest of Greater Manchester.