4 Hillside Crawley Down Crawley West Sussex RH10 4XD Data via plota.co.uk

DM/26/1845 - Lawful Development Certificate -Proposed Approved

Proposal

Proposed garage conversion including replacement of garage door with a window. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
27 Jul 2026
✓
Approved
30 Sept 2026

Approved on 30 Sept 2026 · Delegated Decision · Last checked 30 Sept 2026

Site constraints 4

Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Crawley Down built-up area; Priority habitat about 24 m away: Deciduous woodland; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 2

Last sold for £290,000 in February 2006. Detached house, freehold.

24 February 2006£290,000
18 February 2002£210,000

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

Building

Floor area101 m² (1,087 sq ft)
Energy ratingD (55 out of 100), could reach C
PropertyDetached 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 March 2019, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Mid Sussex
Application type
Lawful Development Certificate -Proposed
Postcode
RH10 4XD
Received
27 Jul 2026
Validated
27 Jul 2026
Ward
Crawley Down
Parish
Worth
Case officer
Show
Target decision
21 Sept 2026
Decision
Permission
Decision date
30 Sept 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 65 days from validation, 10 days slower than Mid Sussex's median of 55 for extensions. Approved, as 94% of extensions here are.

72%decided within 8 weeks
94%approved
549decided in the last year

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

Public comments

No public comments yet.

6 neighbours consulted · Last counted 30 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14974471
Planning Portal ref
PP-14974471
Statutory expiry
21 Sept 2026
Env. assessment
No
Mid Sussex
Planning Authority Score
4.8/10
Below average
#161 of 296 councils
Relevant to this application:
Householder decisions

Mid Sussex ranks #150 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Mid Sussex decision statistics
Based on MHCLG data, the year to March 2026
92%
Overall approval rate
Above avg (87%) #87 of 296
93%
Householder approved
Above avg (90%) #132 of 296
64%
Decided in 8 weeks
Above avg (63%) #150 of 296
44%
Extended time limit
Above avg (41%) #179 of 296
80%
Minor dwellings approved
83 decided (1-9 homes)
89%
Major dwellings approved
27 decided (10+ homes)
82%
Change of use approved
33 decided
1,115
Total decisions
93 refused in the year to March 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.