West Sussex · England

Two-storey extensions in Emsworth

Everything for a two-storey extension in Emsworth, in one place: types, guide prices for South East England, the approval rules in England and how to get started.

Emsworth at a glance

Postcode districts
PO10
Area
West Sussex, England
Price region
South East England
Nearest towns
Havant (2.2 miles), South Hayling (4.5 miles), Hayling Island (4.6 miles), Waterlooville (4.7 miles)
Distance to Crawley
about 37.6 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 Emsworth (PO10) and the places around it, including Havant (2.2 miles), South Hayling (4.5 miles) and Hayling Island.

Extensions available in Emsworth

Which 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 West Sussex

Rules for Emsworth

Emsworth 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 Emsworth

Do you cover Emsworth?

Yes. We cover Emsworth (PO10) and the surrounding area, including Havant and South Hayling. The first site visit is free.

What does a two-storey extension cost in Emsworth?

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 Emsworth do you cover?

Everywhere around it, including Havant (2.2 miles), South Hayling (4.5 miles) and Hayling Island (4.6 miles), and the rest of West Sussex.

Nearby towns

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