Lillison Manor Drive Hartley Kent DA3 8AW Data via plota.co.uk

26/02596/HOUSE - Householder Application Awaiting decision

Proposal

Erection of a two-storey front and a two-storey rear extension. Conversion of loft, creation of dormers and installation of Juliet balcony. Installation of bi folding doors, repositioning of front door and alterations to fenestration. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
2 Oct 2026
✓
Validated
8 Oct 2026
Decision
Expected by 3 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 3 Dec 2026, from Sevenoaks's recent extensions.

Site constraints 5

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
Radon affected area, class 2; 2 listed buildings within 150 m; Green belt 17 m away: London; Inside the Longfield, New Ash Green and Hartley built-up area.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 21 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 £865,000 in July 2024. Detached house, freehold.

25 July 2024£865,000
12 August 2021£825,000

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

Building

Floor area166 m² (1,787 sq ft)
Energy ratingC (69 out of 100), could reach B
PropertyDetached house, 5 habitable rooms
Built1976 to 1982
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, partial insulation (assumed)

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

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Important details

Council
Sevenoaks
Application type
Householder Application
Postcode
DA3 8AW
Received
2 Oct 2026
Validated
8 Oct 2026
Ward
Hartley & Hodsoll Street
Parish
Hartley
Target decision
3 Dec 2026
Applicant
Show
Agent
Graham Simpkin Planning Ltd

Decision outlook

Day 20 of the 56-day target. Sevenoaks usually decides extensions by day 56.

Day 2036 days to the 56-day target
75%decided within 8 weeks
85%approved
670decided 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
PLP-00010603
Statutory expiry
3 Dec 2026
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

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.