18 Malthouse Lane Burgess Hill West Sussex RH15 9XA Data via plota.co.uk

DM/26/1672 - Lawful Development Certificate -Proposed Approved

Proposal

Proposed single storey rear extension and replacement white upvc door and window to side elevation Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
8 Jul 2026
✓
Approved
19 Aug 2026

Approved on 19 Aug 2026 · Delegated Decision · Last checked 19 Aug 2026

Site constraints 4

Also on the record
1 listed building within 150 m of the postcode pin; Inside the Burgess Hill built-up area; Priority habitat about 15 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 11 September 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 1

Last sold for £370,000 in November 2020. Semi-detached house, freehold.

2 November 2020£370,000

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

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Important details

Council
Mid Sussex
Application type
Lawful Development Certificate -Proposed
Postcode
RH15 9XA
Received
8 Jul 2026
Validated
8 Jul 2026
Ward
Burgess Hill - Dunstall
Parish
Burgess Hill
Case officer
Show
Target decision
2 Sept 2026
Decision
Permission
Decision date
19 Aug 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 42 days from validation, 13 days faster than Mid Sussex's median of 55 for extensions. Approved, as 94% of extensions here are.

71%decided within 8 weeks
94%approved
535decided 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.

4 neighbours consulted · Last counted 19 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15068363
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.