16 Thirlmere Avenue Litherland L21 5HP Data via plota.co.uk
Proposal
Prior approval submission for a proposed rear extension projecting 4.40 metres from the rear wall of the original dwellinghouse with a height of 2.65 metres at the eaves and a maximum height of 3.40 metres (Valid from 01.09.2026). Data via plota.co.uk
Application progress
Refused on 12 Oct 2026 · Delegated Decision · Last checked 13 Oct 2026
Documents 2
Decision & officer reports 1
Application forms 1
Site constraints 1
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £153,000 in November 2015. Semi-detached house, leasehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in July 2015, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Sefton
- Application type
- Prior notification - household (42 days)
- Postcode
- L21 5HP
- Received
- 1 Sept 2026
- Validated
- 1 Sept 2026
- Ward
- Litherland Ward
- Case officer
- Show
- Target decision
- 13 Oct 2026
- Decision
- Prior Approval Refused
- Decision date
- 12 Oct 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Freehold owner
- Show
How this decision compares
Decided in 41 days from validation, 10 days faster than Sefton's median of 51 for extensions. Refused, as 3% of extensions here are.
Plota live figures for extensions decided by Sefton in the last twelve months, from validation. Sefton decision record →
Consultation & key dates
- Comments by
- 27 Sept 2026
- Statutory expiry
- 13 Oct 2026
- Env. assessment
- No
Historical activity at this location
7 nearby applications on record - archival context, not part of the live application.
Nearby activity
Sefton ranks #119 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (96%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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16 Thirlmere Avenue Litherland L21 5HP
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