Two-storey extensions in St Ives
Planning a bigger home in St Ives? Compare extension types and guide prices below, then book a free site visit.
St Ives at a glance
- Postcode districts
- CB24 and PE27
- Area
- Cambridgeshire, England
- Price region
- East of England
- Nearest towns
- Huntingdon (4.6 miles), Chatteris (10.1 miles), St Neots (11.3 miles), Cambridge (12.3 miles)
- Distance to Peterborough
- about 18.2 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.
We cover postcode districts CB24 and PE27 in and around St Ives, along with neighbouring Huntingdon, Chatteris and St Neots.
Extensions available in St Ives
Two-storey rear extensions
Our East of England guide starts at £57,500 for this type.
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Two-storey side extensions
Design, approvals and build for St Ives homes. Guide from £88,500.
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Two-storey wraparound extensions
For homes in St Ives: typical guide from £124,000.
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Part single, part two-storey extensions
Our East of England guide starts at £74,000 for this type.
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Extensions over a garage
Our East of England guide starts at £32,500 for this type.
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First-floor extensions
From £26,000 in St Ives. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
For homes in St Ives: typical guide from £57,500.
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Two-storey extensions for detached houses
From £88,500 in St Ives. Free visit to firm it up.
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Kitchen extensions with bedrooms above
For homes in St Ives: typical guide from £57,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £57,500 (plus en-suite) in St Ives, including VAT.
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 Cambridgeshire
- 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 St Ives
St Ives 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 St Ives
Do you cover St Ives?
Yes. We cover St Ives (CB24 and PE27) and the surrounding area, including Huntingdon and Chatteris. The first site visit is free.
What does a two-storey extension cost in St Ives?
Using our East of 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 £57,500–£78,000 including VAT. An extension over a garage is about £32,500–£47,500.
Which other places near St Ives do you cover?
Everywhere around it, including Huntingdon (4.6 miles), Chatteris (10.1 miles) and St Neots (11.3 miles), and the rest of Cambridgeshire.