Two-storey extensions in Lytham St Annes
Everything for a two-storey extension in Lytham St Annes, in one place: types, guide prices for North West England, the approval rules in England and how to get started.
Lytham St Annes at a glance
- Postcode districts
- FY8
- Area
- Lancashire, England
- Price region
- North West England
- Nearest towns
- Blackpool (5.6 miles), Poulton-le-Fylde (6.3 miles), Southport (6.7 miles), Thornton-Cleveleys (9.1 miles)
- Distance to Preston
- about 12 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.
Around Lytham St Annes we also work in Blackpool, Poulton-le-Fylde and Southport, and across the rest of Lancashire. Postcode district in and near Lytham St Annes: FY8.
Extensions available in Lytham St Annes

Two-storey rear extensions
Guide from £53,000 in Lytham St Annes, including VAT.
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Two-storey side extensions
Lytham St Annes guide price from £82,000, Standard spec.
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Two-storey wraparound extensions
From £114,500 in Lytham St Annes. Free visit to firm it up.
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Part single, part two-storey extensions
Our North West England guide starts at £68,500 for this type.
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Extensions over a garage
Design, approvals and build for Lytham St Annes homes. Guide from £30,000.
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First-floor extensions
From £24,000 in Lytham St Annes. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Lytham St Annes guide price from £53,000, Standard spec.
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Two-storey extensions for detached houses
Lytham St Annes guide price from £82,000, Standard spec.
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Kitchen extensions with bedrooms above
From £53,000 (before kitchen units) in Lytham St Annes. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Our North West England guide starts at £53,000 (plus en-suite) for this type.
Learn moreWhich 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 Lancashire
- 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 Lytham St Annes
Lytham St Annes 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 Lytham St Annes
Do you cover Lytham St Annes?
Yes. We cover Lytham St Annes (FY8) and the surrounding area, including Blackpool and Poulton-le-Fylde. The first site visit is free.
What does a two-storey extension cost in Lytham St Annes?
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 Lytham St Annes do you cover?
Everywhere around it, including Blackpool (5.6 miles), Poulton-le-Fylde (6.3 miles) and Southport (6.7 miles), and the rest of Lancashire.