12 Clare Road Lewes East Sussex BN7 1PN Data via plota.co.uk

SDNP/26/03095/LDP - Lawful Development Cert (Proposed) Application in Progress

Proposal

Erection of a garden room Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
30 Jul 2026
✓
Validated
9 Sept 2026
Decision
Expected by 4 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 4 Nov 2026 and 13 Nov 2026, from South Downs's recent extensions.

Site constraints 4

South Downs National Park
The park authority decides applications here. Great weight to conserving the landscape; major development restricted.
Landscape, scenic beauty and wildlife carry great weight, and major development is only allowed in exceptional circumstances.
Radon affected area, class 5
An estimated 10 to 30% of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.
From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.
UKHSA radon ↗
Also on the record
Registered battlefield 216 m away: Battle of Lewes 1264; Inside the Lewes built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 2

Last sold for £815,000 in September 2021. Semi-detached house, freehold.

30 September 2021£815,000
18 October 1999£162,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area148 m² (1,593 sq ft)
Energy ratingD (61 out of 100), could reach C
PropertySemi-detached house, 6 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in July 2021, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Lawful Development Cert (Proposed)
Postcode
BN7 1PN
Received
30 Jul 2026
Validated
9 Sept 2026
Ward
Lewes Priory Ward
Parish
Lewes Town Council
Case officer
Show
Target decision
4 Nov 2026
Decision level
SDNPA Delegated Decision
Applicant
Show
Agent
Delavals Design

Decision outlook

Day 30 of the 56-day target. South Downs usually decides extensions by day 56.

Day 3026 days to the 56-day target
50%decided within 8 weeks
92%approved
657decided in the last year

Plota live figures for extensions decided by South Downs in the last twelve months, from validation. South Downs decision record →

Public comments

No public comments yet.

Last counted 6 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
4 Nov 2026
Env. assessment
No

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.