Two-storey extensions in Felixstowe
We design, get approval for and build two-storey extensions in Felixstowe and the surrounding area. Choose the type of extension below or book a free site visit.
Felixstowe at a glance
- Postcode districts
- IP11
- Area
- Suffolk, England
- Price region
- East of England
- Nearest towns
- Harwich (3.2 miles), Kesgrave (8.4 miles), Walton-on-the-Naze (8.7 miles), Woodbridge (9 miles)
- Distance to Ipswich
- about 10.6 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 district IP11 in and around Felixstowe, along with neighbouring Harwich, Kesgrave and Walton-on-the-Naze.
Extensions available in Felixstowe
Two-storey rear extensions
For homes in Felixstowe: typical guide from £57,500.
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Two-storey side extensions
Our East of England guide starts at £88,500 for this type.
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Two-storey wraparound extensions
Felixstowe guide price from £124,000, Standard spec.
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Part single, part two-storey extensions
For homes in Felixstowe: typical guide from £74,000.
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Extensions over a garage
Guide from £32,500 in Felixstowe, including VAT.
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First-floor extensions
For homes in Felixstowe: typical guide from £26,000.
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Two-storey extensions for semi-detached houses
Felixstowe guide price from £57,500, Standard spec.
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Two-storey extensions for detached houses
Guide from £88,500 in Felixstowe, including VAT.
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Kitchen extensions with bedrooms above
Our East of England guide starts at £57,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Design, approvals and build for Felixstowe homes. Guide from £57,500 (plus en-suite).
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 Felixstowe 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 Felixstowe
Felixstowe 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 Felixstowe
Do you cover Felixstowe?
Yes. We cover Felixstowe (IP11) and the surrounding area, including Harwich and Kesgrave. The first site visit is free.
What does a two-storey extension cost in Felixstowe?
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 Felixstowe do you cover?
Everywhere around it, including Harwich (3.2 miles), Kesgrave (8.4 miles) and Walton-on-the-Naze (8.7 miles), and the rest of Suffolk.