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20 Cooper Avenue South, Liverpool, L19 3PN

26LP/0997Lawful Devt/Use ProposedAwaiting decision
Outline / PiP
Approximate location: the centre of the postcode, not the exact property.

Proposal

Application for Certificate of Proposed Lawful Development for a hip to gable roof alteration, a rear dormer extension, and the installation of no. 3 roof lights to front

Received
27 March 2026
Ward
Mossley Hill
  1. Received27 Mar
  2. Validated
  3. Consult.
  4. Target
  5. Decided

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About this application

This is an outline application for a dormer extension at 20 Cooper Avenue South, Liverpool, L19 3PN. Liverpool has handled 1,040 applications of this type. It has been with the council since 27 March 2026 and is still awaiting a decision. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 17 applications across Mossley Hill. We hold 625 applications in total for the L19 postcode area.

71% of outline applications at Liverpool City Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
L19 3PN
Application type
Lawful Devt/Use Proposed
Parish
City South

Planning application dates

Validated
27 March 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Liverpool

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