Two-storey extensions in Mossley Hill
Everything for a two-storey extension in Mossley Hill, in one place: types, guide prices for North West England, the approval rules in England and how to get started.
Mossley Hill at a glance
- Postcode districts
- L18
- Area
- Merseyside, England
- Price region
- North West England
- Nearest towns
- Allerton (1 mile), Wavertree (1.5 miles), Childwall (1.5 miles), Woolton (1.8 miles)
- Distance to Liverpool
- about 3.6 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.
Around Mossley Hill we also work in Allerton, Wavertree and Childwall, and across the rest of Merseyside. Postcode district in and near Mossley Hill: L18.
Extensions available in Mossley Hill
Two-storey rear extensions
Guide from £53,000 in Mossley Hill, including VAT.
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Two-storey side extensions
For homes in Mossley Hill: typical guide from £82,000.
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Two-storey wraparound extensions
Design, approvals and build for Mossley Hill homes. Guide from £114,500.
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Part single, part two-storey extensions
From £68,500 in Mossley Hill. Free visit to firm it up.
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Extensions over a garage
Design, approvals and build for Mossley Hill homes. Guide from £30,000.
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First-floor extensions
Design, approvals and build for Mossley Hill homes. Guide from £24,000.
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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
Mossley Hill guide price from £82,000, Standard spec.
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Kitchen extensions with bedrooms above
Our North West England guide starts at £53,000 (before kitchen units) for this type.
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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?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Mossley Hill 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 Mossley Hill
Mossley Hill 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 Mossley Hill
Do you cover Mossley Hill?
Yes. We cover Mossley Hill (L18) and the surrounding area, including Allerton and Wavertree. The first site visit is free.
What does a two-storey extension cost in Mossley Hill?
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 Mossley Hill do you cover?
Everywhere around it, including Allerton (1 mile), Wavertree (1.5 miles) and Childwall (1.5 miles), and the rest of Merseyside.