10 Elmtree Cottages Main Road Knockholt Kent TN14 7JB Data via plota.co.uk

26/01566/LDCPR - Lawful Development Certificate Proposed Approved

Proposal

Removal of centrally located brick chimney running from ground floor to above roof ridge. Removal will include the section of chimney above the roof line Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
17 Jun 2026
Validated
9 Jul 2026
Approved
3 Sept 2026

Approved on 3 Sept 2026 · Delegated Decision · Last checked 4 Sept 2026

Site constraints 6

Habitat network: Network Expansion Zone
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
National landscape 24 m away: Kent Downs
Outside the landscape; its setting can still be raised.
Previously an area of outstanding natural beauty, which is still the designation in law. Since 2023 authorities must seek to further its purpose, not merely have regard to it.
Also on the record
1 listed building within 150 m; Inside the Knockholt Pound built-up area; Green belt 74 m away: London; the 1970s provisional farmland map 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 · No scheduled monument at the site

Checked on 11 September 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.

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Important details

Council
Sevenoaks
Application type
Lawful Development Certificate Proposed
Postcode
TN14 7JB
Received
17 Jun 2026
Validated
9 Jul 2026
Ward
Halstead, Knockholt & Badgers Mount
Parish
Knockholt
Target decision
3 Sept 2026
Decision
Granted
Decision date
3 Sept 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 85% of extensions here are.

75%decided within 8 weeks
85%approved
509decided in the last year

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

Consultation & key dates

Planning Portal ref
PP-15017829
Env. assessment
No
Sevenoaks
Planning Authority Score
5.6/10
Average
#115 of 296 councils
Relevant to this application:
Householder decisions

Sevenoaks ranks #109 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (90%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Sevenoaks decision statistics
Based on MHCLG data, the year to March 2026
87%
Overall approval rate
Above avg (87%) #177 of 296
90%
Householder approved
Above avg (90%) #194 of 296
72%
Decided in 8 weeks
Above avg (63%) #109 of 296
34%
Extended time limit
Below avg (41%) #93 of 296
85%
Minor dwellings approved
213 decided (1-9 homes)
100%
Major dwellings approved
7 decided (10+ homes)
71%
Change of use approved
14 decided
1,130
Total decisions
143 refused in the year to March 2026