Two-storey extensions in Kensington
Planning a bigger home in Kensington? Compare extension types and guide prices below, then book a free site visit.
Kensington at a glance
- Postcode districts
- L6 and L7
- Area
- Merseyside, England
- Price region
- North West England
- Nearest towns
- Liverpool (1 mile), Wavertree (1.7 miles), Old Swan (1.8 miles), Kirkdale (2 miles)
- Distance to Liverpool
- about 1 mile
- 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 L6 and L7 in and around Kensington, along with neighbouring Liverpool, Wavertree and Old Swan.
Extensions available in Kensington
Two-storey rear extensions
From £53,000 in Kensington. Free visit to firm it up.
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Two-storey side extensions
Kensington guide price from £82,000, Standard spec.
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Two-storey wraparound extensions
From £114,500 in Kensington. Free visit to firm it up.
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Part single, part two-storey extensions
Kensington guide price from £68,500, Standard spec.
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Extensions over a garage
Guide from £30,000 in Kensington, including VAT.
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First-floor extensions
For homes in Kensington: typical guide from £24,000.
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Two-storey extensions for semi-detached houses
For homes in Kensington: typical guide from £53,000.
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Two-storey extensions for detached houses
For homes in Kensington: typical guide from £82,000.
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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
Kensington guide price from £53,000 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Which type suits your house in Kensington 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 Kensington
Kensington 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 Kensington
Do you cover Kensington?
Yes. We cover Kensington (L6 and L7) and the surrounding area, including Liverpool and Wavertree. The first site visit is free.
What does a two-storey extension cost in Kensington?
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 Kensington do you cover?
Everywhere around it, including Liverpool (1 mile), Wavertree (1.7 miles) and Old Swan (1.8 miles), and the rest of Merseyside.