Two-storey extensions in Kirkby
We design, get approval for and build two-storey extensions in Kirkby and the surrounding area. Choose the type of extension below or book a free site visit.
Kirkby at a glance
- Postcode districts
- L32 and L33
- Area
- Merseyside, England
- Price region
- North West England
- Nearest towns
- Fazakerley (2 miles), Croxteth (2.1 miles), Norris Green (2.8 miles), Maghull (3.1 miles)
- Distance to Liverpool
- about 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 postcode districts L32 and L33 in and around Kirkby, along with neighbouring Fazakerley, Croxteth and Norris Green.
Extensions available in Kirkby
Two-storey rear extensions
For homes in Kirkby: typical guide from £53,000.
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Two-storey side extensions
From £82,000 in Kirkby. Free visit to firm it up.
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Two-storey wraparound extensions
Design, approvals and build for Kirkby homes. Guide from £114,500.
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Part single, part two-storey extensions
For homes in Kirkby: typical guide from £68,500.
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Extensions over a garage
From £30,000 in Kirkby. Free visit to firm it up.
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First-floor extensions
For homes in Kirkby: typical guide from £24,000.
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Two-storey extensions for semi-detached houses
For homes in Kirkby: typical guide from £53,000.
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Two-storey extensions for detached houses
Guide from £82,000 in Kirkby, including VAT.
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Kitchen extensions with bedrooms above
Kirkby guide price from £53,000 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
For homes in Kirkby: typical guide from £53,000 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Kirkby depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
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 Kirkby
Kirkby 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 Kirkby
Do you cover Kirkby?
Yes. We cover Kirkby (L32 and L33) and the surrounding area, including Fazakerley and Croxteth. The first site visit is free.
What does a two-storey extension cost in Kirkby?
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 Kirkby do you cover?
Everywhere around it, including Fazakerley (2 miles), Croxteth (2.1 miles) and Norris Green (2.8 miles), and the rest of Merseyside.