Two-storey extensions in Southport
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Southport.
Southport at a glance
- Postcode districts
- PR8 and PR9
- Area
- Merseyside, England
- Price region
- North West England
- Nearest towns
- Formby (6.5 miles), Lytham St Annes (6.7 miles), Ormskirk (7.6 miles), Maghull (9.4 miles)
- Distance to Liverpool
- about 16.3 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 districts PR8 and PR9 in and around Southport, along with neighbouring Formby, Lytham St Annes and Ormskirk.
Extensions available in Southport
Two-storey rear extensions
Southport guide price from £53,000, Standard spec.
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Two-storey side extensions
Our North West England guide starts at £82,000 for this type.
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Two-storey wraparound extensions
Design, approvals and build for Southport homes. Guide from £114,500.
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Part single, part two-storey extensions
Southport guide price from £68,500, Standard spec.
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Extensions over a garage
Guide from £30,000 in Southport, including VAT.
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First-floor extensions
Guide from £24,000 in Southport, including VAT.
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Two-storey extensions for semi-detached houses
Our North West England guide starts at £53,000 for this type.
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Two-storey extensions for detached houses
From £82,000 in Southport. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Southport guide price from £53,000 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Design, approvals and build for Southport homes. Guide from £53,000 (plus en-suite).
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Southport we also design annexes, home offices and bedrooms over garages.
Also available in Merseyside
- 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 Southport
Southport 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 Southport
Do you cover Southport?
Yes. We cover Southport (PR8 and PR9) and the surrounding area, including Formby and Lytham St Annes. The first site visit is free.
What does a two-storey extension cost in Southport?
Using our North West 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 £53,000–£72,000 including VAT. An extension over a garage is about £30,000–£43,500.
Which other places near Southport do you cover?
Everywhere around it, including Formby (6.5 miles), Lytham St Annes (6.7 miles) and Ormskirk (7.6 miles), and the rest of Merseyside.