Do I need planning permission for a house extensions in Liverpool City Council?
Typical answer
In most cases, house extensions in Liverpool City Council fall under Permitted Development rights (Part 1 Class A), meaning no planning application is needed, subject to Article 4 restrictions, conservation-area flags, and the specific thresholds below. If your property is in a conservation area, Article 4 area, or involves a listed building, additional restrictions apply and you should verify your position before starting work.
Source: Part 1 Class A — legislation.gov.uk · Verified 2026-04-19
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Permitted Development rules
Part 1 Class A thresholds
These are the key numerical limits under Part 1 Class A of the General Permitted Development Order 2015. Your project must satisfy all of them to qualify as Permitted Development.
| Clause | Rule | Limit |
|---|---|---|
| A.1(b) | 50% garden coverage rule | Max fraction of curtilage: 0.5 |
| A.1(f) | Single-storey rear extension: depth and height caps (standard) | Max rear detached (m): 4; Max rear other (m): 3; Max height (m): 4 |
| A.1(g) | Larger Home Extensions prior-approval scheme for non-designated land | Max rear detached (m): 8; Max rear other (m): 6; Max height (m): 4 |
| A.1(h) | Multi-storey rear extension: ≤3m projection AND ≥7m from opposite curtilage boundary | Max rear projection (m): 3; Min distance to opposite boundary (m): 7 |
| A.1(i) | Eaves within 2m of boundary cannot exceed 3m | Within m of boundary: 2; Max eaves (m): 3 |
| A.1(j) | Side extension: single storey, ≤4m height, ≤half original width | Max height (m): 4; Max width (fraction): 0.5 |
| A.3(b) | Upper-floor side-elevation windows must be obscure-glazed and non-opening below 1.7m from floor | Openable above (m): 1.7 |
| Source: Part 1 Class A — legislation.gov.uk | ||
Liverpool City Council planning data
Local planning facts
Approval rate
0.9%
Below average for householder applications
Source: MHCLG Planning Statistics (PS2)
Planning application fee
£548
Householder application (national fee)
Reviewed April 2026 · gov.uk source
Submission portal
Portal link not yet listed for Liverpool City Council. Use the national Planning Portal.
Other project types in Liverpool City Council
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