Chandigrah Summerhouse Lane Harefield Data via plota.co.uk

1131/APP/2026/1927 Undecided

Proposal

Erection of 4 x 3-bed, semi-detached dwellings with associated private amenity space parking and landscaping Data via plota.co.uk

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View original council record ↗Last checked 27 Oct 2026, 05:10

Application progress

✓

Received

3 Aug 2026

Decision

Expected by 20 Nov 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 28 Oct 2026; it is now day 86.

The consultation period closed on 9 Sept 2026.

Documents

View the documents on the council's website ↗

Site constraints 10

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 ↗

Article 4 direction

Residential extensions. Named permitted development rights are withdrawn here.

An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.

Archaeological priority area

An assessment or field evaluation may be asked for before ground works.

The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.

Habitat network: Network Enhancement Zone 2

Where habitat is joined up enough to work as a network. Context, not a constraint on its own.

SSSI about 107 m away: Old Park Wood 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.

Conservation area about 19 m away: Coppermill Lock

The edge of the area; work outside it can still affect its setting.

The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.

Also on the record

Radon affected area, class 2; National infrastructure project about 887 m away: Expansion of Heathrow Airport (Third Runway), at pre-application; Inside the Hillingdon built-up area; Priority habitat about 25 m away: Deciduous woodland.

Not affected

Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 17 October 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, the Planning Inspectorate, 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.

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Important details

Council: Hillingdon
Received: 3 Aug 2026
Validated: 3 Aug 2026
Ward: HARE/D VILLAGES 2022
Case officer: Show
Target decision: 20 Nov 2026
Agent: Show

Decision outlook

Day 86, past the statutory target. 68% of new homes in Hillingdon are decided within thirteen weeks, which runs to 2 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 27 Oct 2026.

target

predicted

Day 8630 days past the 56-day target

40%decided within 8 weeks

75%approved

87decided in the last year

Plota live figures for new homes decided by Hillingdon in the last twelve months, from validation. Hillingdon decision record →

Consultation & key dates

Consultation: 18 Aug 2026
Comments by: 9 Sept 2026

Hillingdon

Planning Authority Score

3.5/10

Below average

#219 of 296 councils

Relevant to this application:

Householder decisions

Hillingdon ranks #194 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

Hillingdon decision statistics

Based on MHCLG data, the year to March 2026

85%

Overall approval rate

Below avg (87%) #208 of 296

90%

Householder approved

Above avg (90%) #191 of 296

58%

Decided in 8 weeks

Below avg (63%) #194 of 296

45%

Extended time limit

Above avg (41%) #190 of 296

61%

Minor dwellings approved

67 decided (1-9 homes)

65%

Change of use approved

17 decided

1,680

Total decisions

255 refused in the year to March 2026