Two-storey extensions in Sudbury (Suffolk)
Homeowners in Sudbury (Suffolk) can use us for the whole project or just the drawings and approvals. Start with a free visit.
Sudbury (Suffolk) at a glance
- Postcode districts
- CO10
- Area
- Suffolk, England
- Price region
- East of England
- Nearest towns
- Halstead (7.6 miles), Colchester (12.7 miles), Haverhill (12.8 miles), Braintree (13.4 miles)
- Distance to Ipswich
- about 18.1 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.
We cover Sudbury (Suffolk) (CO10) and the places around it, including Halstead (7.6 miles), Colchester (12.7 miles) and Haverhill.
Extensions available in Sudbury (Suffolk)
Two-storey rear extensions
Sudbury (Suffolk) guide price from £57,500, Standard spec.
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Two-storey side extensions
For homes in Sudbury (Suffolk): typical guide from £88,500.
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Two-storey wraparound extensions
From £124,000 in Sudbury (Suffolk). Free visit to firm it up.
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Part single, part two-storey extensions
For homes in Sudbury (Suffolk): typical guide from £74,000.
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Extensions over a garage
Design, approvals and build for Sudbury (Suffolk) homes. Guide from £32,500.
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First-floor extensions
Guide from £26,000 in Sudbury (Suffolk), including VAT.
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Two-storey extensions for semi-detached houses
From £57,500 in Sudbury (Suffolk). Free visit to firm it up.
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Two-storey extensions for detached houses
Sudbury (Suffolk) guide price from £88,500, Standard spec.
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Kitchen extensions with bedrooms above
Sudbury (Suffolk) guide price from £57,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Our East of England guide starts at £57,500 (plus en-suite) for this type.
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Sudbury (Suffolk) we measure distances to every boundary before suggesting a type.
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 Sudbury (Suffolk)
Sudbury (Suffolk) 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 Sudbury (Suffolk)
Do you cover Sudbury (Suffolk)?
Yes. We cover Sudbury (Suffolk) (CO10) and the surrounding area, including Halstead and Colchester. The first site visit is free.
What does a two-storey extension cost in Sudbury (Suffolk)?
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 Sudbury (Suffolk) do you cover?
Everywhere around it, including Halstead (7.6 miles), Colchester (12.7 miles) and Haverhill (12.8 miles), and the rest of Suffolk.