79 Hartfield Road Chessington KT9 2PP Data via plota.co.uk

26/01890/CPU - Cert of Lawful Use/Operation - Proposed Pending Decision

Proposal

Erection of hip to gable and rear dormer roof extension with installation of 2nos. front rooflights with internal alterations Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
31 Aug 2026
✓
Validated
10 Sept 2026
Decision
Expected by 5 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 4 Nov 2026, from Kingston upon Thames's recent extensions.

Site constraints 3

Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Air quality management area: Kingston upon Thames AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Kingston upon Thames built-up area.
Not affected
Not green belt · No listed building at the site · No scheduled monument at the site

Checked on 23 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.

Sales history 2

Last sold for £387,950 in December 2014. Terraced house, freehold.

3 December 2014£387,950
11 June 2004£230,000

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

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Important details

Application type
Cert of Lawful Use/Operation - Proposed
Postcode
KT9 2PP
Received
31 Aug 2026
Validated
10 Sept 2026
Ward
Hook & Chessington North
Parish
South Of The Borough
Case officer
Show
Target decision
5 Nov 2026
Applicant
Show

Decision outlook

Day 25 of the 56-day target. Kingston upon Thames usually decides extensions by day 55.

Day 2531 days to the 56-day target
86%decided within 8 weeks
85%approved
836decided in the last year

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

Public comments

No public comments yet.

Last counted 30 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15078241
Statutory expiry
5 Nov 2026
Env. assessment
No
Kingston upon Thames
Planning Authority Score
6.5/10
Good
#76 of 296 councils
Relevant to this application:
Householder decisions

Kingston upon Thames is faster than most councils at deciding householder applications, ranking #33 out of 296. Only 20% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Kingston upon Thames is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Kingston upon Thames decision statistics
Based on MHCLG data, the year to March 2026
75%
Overall approval rate
Below avg (87%) #288 of 296
82%
Householder approved
Below avg (90%) #266 of 296
81%
Decided in 8 weeks
Above avg (63%) #33 of 296
20%
Extended time limit
Below avg (41%) #18 of 296
44%
Minor dwellings approved
124 decided (1-9 homes)
60%
Major dwellings approved
10 decided (10+ homes)
42%
Change of use approved
26 decided
1,112
Total decisions
274 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