Two-storey extensions in Liverpool
Planning a bigger home in Liverpool? Compare extension types and guide prices below, then book a free site visit.
Liverpool at a glance
- Postcode districts
- L1, L2, L3, L69 and L70
- Area
- Merseyside, England
- Price region
- North West England
- Nearest towns
- Kensington (1 mile), Kirkdale (1.6 miles), Birkenhead (1.9 miles), Dingle (2.3 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.
Around Liverpool we also work in Kensington, Kirkdale and Birkenhead, and across the rest of Merseyside. Postcode districts in and near Liverpool: L1, L2, L3, L69 and L70.
Extensions available in Liverpool

Two-storey rear extensions
Liverpool guide price from £53,000, Standard spec.
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Two-storey side extensions
Guide from £82,000 in Liverpool, including VAT.
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Two-storey wraparound extensions
Our North West England guide starts at £114,500 for this type.
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Part single, part two-storey extensions
From £68,500 in Liverpool. Free visit to firm it up.
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Extensions over a garage
Guide from £30,000 in Liverpool, including VAT.
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First-floor extensions
Our North West England guide starts at £24,000 for this type.
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Two-storey extensions for semi-detached houses
From £53,000 in Liverpool. Free visit to firm it up.
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Two-storey extensions for detached houses
From £82,000 in Liverpool. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Liverpool guide price from £53,000 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Guide from £53,000 (plus en-suite) in Liverpool, including VAT.
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 Liverpool we measure distances to every boundary before suggesting a type.
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 Liverpool
Liverpool 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 Liverpool
Do you cover Liverpool?
Yes. We cover Liverpool (L1, L2, L3, L69 and L70) and the surrounding area, including Kensington and Kirkdale. The first site visit is free.
What does a two-storey extension cost in Liverpool?
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 Liverpool do you cover?
Everywhere around it, including Kensington (1 mile), Kirkdale (1.6 miles) and Birkenhead (1.9 miles), and the rest of Merseyside.