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21 Wynnstay Avenue Lydiate L31 0BG

DC/2026/00248Certificate of Lawfulness - Proposed UseApproved
Outline / PiP

Approved on 2 April 2026

Council decision: Certificate Issued - Proposed UseDelegated (officer decision)

Site boundary (council red line)

Proposal

Certificate of lawfulness for the proposed loft conversion with rear dormer and alterations to roof from hip to gable.

Received
11 February 2026
Decision level
Delegated (officer decision)
Ward
Park Ward
  1. Received11 Feb
  2. Validated11 Feb
  3. Consult.
  4. Target
  5. Decided2 Apr

Decided in 50 days (council typically 56)

About this application

This is an outline application for a loft conversion at 21 Wynnstay Avenue Lydiate L31 0BG. Sefton has handled 368 applications of this type. This one was decided in 50 days, 6 days quicker than Sefton's typical decision time. There are no previous applications recorded at this address. In the past year there have been 47 applications across Park Ward. We hold 361 applications in total for the L31 postcode area.

82% of outline applications at Sefton Metropolitan Borough 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
L31 0BG
Application type
Certificate of Lawfulness - Proposed Use
Scale / size
Small
Parish
Lydiate Parish Council

Planning application dates

Date validated
11 February 2026

Applicant and agent

Applicant
Private applicant
Agent
dowelldesignservices
Agent address
176 Liverpool Road South Maghull Liverpool L31 7DQ

Planning decision

Case officer
James Brockway

Additional information

Documents
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • 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: Sefton

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