Dew Drop Inn Sunnybox Lane Slindon West Sussex BN18 0LX Data via plota.co.uk

SDNP/26/00842/HOUS - Householder Approved

Proposal

Rear single storey extension. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
3 Mar 2026
✓
Approved
22 May 2026

Approved on 22 May 2026 · SDNPA Delegated Decision · Last checked 28 Jul 2026

Site constraints 5

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.
Habitat network: Network Enhancement Zone 1
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Radon affected area, class 4; Inside the Slindon built-up area; Priority habitat 22 m away: Deciduous woodland.
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.

Building

Floor area75 m² (807 sq ft)
Energy ratingD (64 out of 100), could reach B
PropertySemi-detached bungalow, 5 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2024, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Householder
Postcode
BN18 0LX
Received
3 Mar 2026
Validated
3 Mar 2026
Ward
Arundel Ward
Parish
Slindon Parish Council
Case officer
Show
Target decision
28 Apr 2026
Decision
Approved
Decision date
22 May 2026
Decision level
SDNPA Delegated Decision
Applicant
Show
Agent
Sussex Building Consultancy Limited

How this decision compares

Decided in 80 days from validation, 24 days slower than South Downs's median of 56 for extensions. Approved, as 92% of extensions here are.

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 →

Consultation & key dates

Alt. reference
PP-14742929
Planning Portal ref
PP-14742929
Statutory expiry
28 Apr 2026
Env. assessment
No

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.