Two-storey extensions in Amersham on the Hill
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Amersham on the Hill.
Amersham on the Hill at a glance
- Postcode districts
- HP6
- Area
- Buckinghamshire, England
- Price region
- South East England
- Nearest towns
- Amersham (0.7 miles), Chesham (1.8 miles), Chorleywood (4.2 miles), Beaconsfield (4.6 miles)
- Distance to Milton Keynes
- about 26.1 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.
Amersham on the Hill sits about 26.1 miles from Milton Keynes. Closer to home, Amersham is 0.7 miles away and Chesham 1.8 miles.
Extensions available in Amersham on the Hill
Two-storey rear extensions
Guide from £61,500 in Amersham on the Hill, including VAT.
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Two-storey side extensions
From £94,500 in Amersham on the Hill. Free visit to firm it up.
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Two-storey wraparound extensions
Guide from £132,500 in Amersham on the Hill, including VAT.
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Part single, part two-storey extensions
For homes in Amersham on the Hill: typical guide from £79,000.
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Extensions over a garage
Design, approvals and build for Amersham on the Hill homes. Guide from £34,500.
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First-floor extensions
Guide from £27,500 in Amersham on the Hill, including VAT.
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Two-storey extensions for semi-detached houses
For homes in Amersham on the Hill: typical guide from £61,500.
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Two-storey extensions for detached houses
From £94,500 in Amersham on the Hill. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Design, approvals and build for Amersham on the Hill homes. Guide from £61,500 (before kitchen units).
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Extra bedroom and en-suite extensions
For homes in Amersham on the Hill: typical guide from £61,500 (plus en-suite).
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 Buckinghamshire
- 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 Amersham on the Hill
Amersham on the Hill 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 Amersham on the Hill
Do you cover Amersham on the Hill?
Yes. We cover Amersham on the Hill (HP6) and the surrounding area, including Amersham and Chesham. The first site visit is free.
What does a two-storey extension cost in Amersham on the Hill?
Using our South East 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 £61,500–£83,000 including VAT. An extension over a garage is about £34,500–£50,500.
Which other places near Amersham on the Hill do you cover?
Everywhere around it, including Amersham (0.7 miles), Chesham (1.8 miles) and Chorleywood (4.2 miles), and the rest of Buckinghamshire.