Two-storey extensions in Mildenhall
Planning a bigger home in Mildenhall? Compare extension types and guide prices below, then book a free site visit.
Mildenhall at a glance
- Postcode districts
- IP27 and IP28
- Area
- Suffolk, England
- Price region
- East of England
- Nearest towns
- Soham (7.4 miles), Newmarket (8.2 miles), Bury St Edmunds (10.8 miles), Ely (11.2 miles)
- Distance to Ipswich
- about 33.7 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 Mildenhall (IP27 and IP28) and the places around it, including Soham (7.4 miles), Newmarket (8.2 miles) and Bury St Edmunds.
Extensions available in Mildenhall
Two-storey rear extensions
Mildenhall guide price from £57,500, Standard spec.
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Two-storey side extensions
From £88,500 in Mildenhall. Free visit to firm it up.
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Two-storey wraparound extensions
For homes in Mildenhall: 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
Design, approvals and build for Mildenhall homes. Guide from £32,500.
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First-floor extensions
Design, approvals and build for Mildenhall homes. Guide from £26,000.
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Two-storey extensions for semi-detached houses
Mildenhall guide price from £57,500, Standard spec.
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Two-storey extensions for detached houses
Guide from £88,500 in Mildenhall, including VAT.
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Kitchen extensions with bedrooms above
For homes in Mildenhall: typical guide from £57,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Mildenhall guide price from £57,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Mildenhall, with a rough idea of the approval route and cost for each.
Also available in Suffolk
- 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 Mildenhall
Mildenhall 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 Mildenhall
Do you cover Mildenhall?
Yes. We cover Mildenhall (IP27 and IP28) and the surrounding area, including Soham and Newmarket. The first site visit is free.
What does a two-storey extension cost in Mildenhall?
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 Mildenhall do you cover?
Everywhere around it, including Soham (7.4 miles), Newmarket (8.2 miles) and Bury St Edmunds (10.8 miles), and the rest of Suffolk.