Little Knoll Common Road Ightham Sevenoaks Kent TN15 9DY Data via plota.co.uk

26/01363/NMA - Non Material Amendment Approved

Proposal

Non-Material Amendment to planning permission TM/25/01939/FL Remodelling of existing roof, alterations to fenestration, two storey extension and proposed detached garage. To increase the garage size from 5.4m x 8.2m externally to 6m x 9m externally Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
20 Jul 2026
✓
Approved
17 Aug 2026

Approved on 17 Aug 2026 · Delegated Decision · Last checked 18 Aug 2026

Associated applications 2

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    • AmendmentNon-Material Amendment Remodelling of existing roof, alterations to fenestration, two storey…This application26/01363/NMA

Site constraints 7

Green belt: London
Inappropriate development needs very special circumstances.
Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm. Some green belt land can count as grey belt, where it does not strongly serve the green belt's purposes. The council decides this in its green belt assessment or on each application, so we do not mark it here.
Read the government guidance ↗
Habitat network: Other Priority Habitats - NEZ
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
SSSI 157 m away: Oldbury and Seal Chart SSSI
Natural England may need consulting, depending on what is proposed.
Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.
Also on the record
Radon affected area, class 2; Inside the Ightham built-up area; Priority habitat 17 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 · No listed building at the site · No scheduled monument 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.

Sales history 1

Last sold for £895,000 in March 2016. Detached house, freehold.

24 March 2016£895,000

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

Building

Floor area200 m² (2,153 sq ft)
Energy ratingF (34 out of 100), could reach D
PropertyDetached house, 7 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in November 2015, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Tonbridge
Application type
Non Material Amendment
Postcode
TN15 9DY
Received
20 Jul 2026
Validated
20 Jul 2026
Ward
Pilgrims With Ightham
Parish
Ightham
Case officer
Show
Target decision
17 Aug 2026
Decision
Approved
Decision date
17 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
TT Architecture

Public comments

No public comments yet.

Last counted 18 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15094675
Planning Portal ref
PP-15094675
Statutory expiry
17 Aug 2026
Env. assessment
No
Tonbridge
Planning Authority Score
4/10
Below average
#193 of 296 councils
Relevant to this application:
Householder decisions

Tonbridge is slower than most councils at deciding householder applications, ranking #244 out of 296. 54% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (97%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Tonbridge decision statistics
Based on MHCLG data, the year to March 2026
95%
Overall approval rate
Above avg (87%) #31 of 296
97%
Householder approved
Above avg (90%) #45 of 296
49%
Decided in 8 weeks
Below avg (63%) #244 of 296
54%
Extended time limit
Above avg (41%) #246 of 296
88%
Minor dwellings approved
96 decided (1-9 homes)
82%
Major dwellings approved
11 decided (10+ homes)
89%
Change of use approved
9 decided
880
Total decisions
47 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.