Two-storey extensions in Hayling Island
Homeowners in Hayling Island can use us for the whole project or just the drawings and approvals. Start with a free visit.
Hayling Island at a glance
- Postcode districts
- PO11
- Area
- Hampshire, England
- Price region
- South East England
- Nearest towns
- South Hayling (0.5 miles), Emsworth (4.6 miles), Havant (5.1 miles), Southsea (5.3 miles)
- Distance to Southampton
- about 20.7 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.
Hayling Island sits about 20.7 miles from Southampton. Closer to home, South Hayling is 0.5 miles away and Emsworth 4.6 miles.
Extensions available in Hayling Island
Two-storey rear extensions
From £61,500 in Hayling Island. Free visit to firm it up.
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Two-storey side extensions
From £94,500 in Hayling Island. Free visit to firm it up.
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Two-storey wraparound extensions
Hayling Island guide price from £132,500, Standard spec.
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Part single, part two-storey extensions
For homes in Hayling Island: typical guide from £79,000.
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Extensions over a garage
Design, approvals and build for Hayling Island homes. Guide from £34,500.
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First-floor extensions
Design, approvals and build for Hayling Island homes. Guide from £27,500.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Hayling Island homes. Guide from £61,500.
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Two-storey extensions for detached houses
Hayling Island guide price from £94,500, Standard spec.
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Kitchen extensions with bedrooms above
Design, approvals and build for Hayling Island homes. Guide from £61,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £61,500 (plus en-suite) in Hayling Island, including VAT.
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 Hayling Island, with a rough idea of the approval route and cost for each.
Also available in Hampshire
- 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 Hayling Island
Hayling Island 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 Hayling Island
Do you cover Hayling Island?
Yes. We cover Hayling Island (PO11) and the surrounding area, including South Hayling and Emsworth. The first site visit is free.
What does a two-storey extension cost in Hayling Island?
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 Hayling Island do you cover?
Everywhere around it, including South Hayling (0.5 miles), Emsworth (4.6 miles) and Havant (5.1 miles), and the rest of Hampshire.