4, Hunstanton Close, Colnbrook, Slough, SL3 0RL Data via plota.co.uk

P/21185/000 - Full Planning Registered application
Extensions & alterations

Proposal

Conversion of garage into habitable room Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
9 Oct 2026
✓
Consultation
9 Oct 2026
Decision
Expected by 4 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 1 Dec 2026, from Slough's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 5

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 ↗
National infrastructure project 604 m away: M4 Junctions 3 to 12 Smart Motorway
The site is 604 m from the project boundary. Highway, decided. The project page says whether consent was granted. Also within 2 km: Expansion of Heathrow Airport (Third Runway) (at pre-application, 47 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
5 listed buildings within 150 m
Nearest: Ayres House (Bt and G Winston Premises), Grade II, 53 m away · 5 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 5 with distances
Historic England ↗
Also on the record
Inside the Colnbrook built-up area; Green belt 25 m away: London.
Not affected
No scheduled monument at the site

Checked on 10 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate 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 £465,000 in February 2025. Other property, freehold.

More than one property is recorded at this address: HM Land Registry does not always give the flat or unit.

3 February 2025£465,000Recorded as a transfer outside a standard sale
10 June 1999£146,500Terraced house, new build

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

Building

Floor area120 m² (1,292 sq ft)
Energy ratingC (76 out of 100), could reach B
PropertyMid-terrace house, 3 habitable rooms
Built1996 to 2002
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, insulated (assumed)

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

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Important details

Council
Slough
Application type
Full Planning
Postcode
SL3 0RL
Received
9 Oct 2026
Validated
9 Oct 2026
Case officer
Show
Target decision
4 Dec 2026
Decision level
Delegated
Applicant
Show
Agent
Atra

Decision outlook

Day 19 of the 56-day target. Slough usually decides extensions by day 53.

Day 1937 days to the 56-day target
66%decided within 8 weeks
81%approved
462decided in the last year

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

Consultation & key dates

Site or press notice
9 Oct 2026
Statutory expiry
3 Nov 2026

Historical activity at this location

17 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Refused
The Red Lion, High Street, Colnbrook, Slough, SL3 0LX
Change of use from former Public House Car Park (Vacant Site) to be used as a Hand Car Wa…
P/11509/004
2025 Approved
The Cedars, High Street, Colnbrook, Slough, SL3 0JZ
Submission of details pursuant to condition 6 (Visability splays) of planning permission…
P/11077/006
2025 Approved
The Cedars, High Street, Colnbrook, Slough, SL3 0JZ
Submission of details pursuant to conditions 9 (cycle parking) and 10 (refuse storage) of…
P/11077/008
2025 Approved
The Cedars, High Street, Colnbrook, Slough, SL3 0JZ
Submission of details pursuant to condition 4 (Construction Management Plan) of planning…
P/11077/007
2025 Approved
The Cedars, High Street, Colnbrook, Slough, SL3 0JZ
S.96a Non-Material Amendment to planning application P/11077/003 dated 28/03/2024 seeking…
P/11077/009
2025 Approved
The Cedars, High Street, Colnbrook, Slough, SL3 0JZ
Submission of details pursuant to condition 3 (materials) of planning permission P/11077/…
P/11077/005
2025 Approved
42-48, High Street, Colnbrook, SL3 0JZ
Replacement of existing 22no windows to double-glazed PVC-u window units
P/20874/000
2025 Approved
4, Naylor Terrace, High Street, Colnbrook, SL3 0LA
Change of use from a Class C3(a) dwellinghouse to a Class C2 childrens home.
P/20813/000
2025
The Cedars, High Street, Colnbrook, Slough, SL3 0JZ
Change of use from HMO (Use Class Sui Generis) to a Residential Family Centre (Use Class…
P/11077/004
2023 Approved
Cedars, High Street, Colnbrook, Slough, SL3 0JZ
Demolition of existing outbuilding and construction of 2no semi-detached 3no bedroom dwel…
P/11077/003
2022 Approved
Cedars, High Street, Colnbrook, Slough, SL3 0JZ
Demolition of the existing outbuilding and construction of 2no. semi-detached 3-bedroom h…
P/11077/001
2022 Approved
Cedars, High Street, Colnbrook, Slough, SL3 0JZ
Demolition of the existing outbuilding and conversion of the existing main building from…
P/11077/002
2022
42, High Street, Colnbrook, Slough, SL3 0JZ
Demolition of the existing outbuilding and construction of 2no. semi-detached 3-bedrrom h…
P/00655/025
2022
42, High Street, Colnbrook, Slough, SL3 0JZ
Demolition of the existing outbuilding and conversion of the existing main building from…
P/00655/026
2020 Approved
Belmont Cottages, 9, High Street, Colnbrook, Slough, SL3 0ND
Lawful development certificate for a proposed loft conversion with rear dormer and 2no fr…
P/19173/000
2016 Approved
Colnbrook CE Primary School, High Street, Colnbrook, Slough, SL3 0JZ
Construction of an outdoor play structure in the form of an Adobe Dome and Amphitheatre.
P/11371/006
2016 Withdrawn
Colnbrook CE Primary School, High Street, Colnbrook, Slough, SL3 0JZ
Construction of an outdoor play structure in the form of an Adobe Dome and Amphitheatre.
P/11371/005
Slough
Planning Authority Score
2.4/10
Poor
#260 of 296 councils
Relevant to this application:
Householder decisions

Slough is slower than most councils at deciding householder applications, ranking #263 out of 296. Slough 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
Slough decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #275 of 296
82%
Householder approved
Below avg (90%) #269 of 296
42%
Decided in 8 weeks
Below avg (63%) #263 of 296
39%
Extended time limit
Below avg (41%) #142 of 296
60%
Minor dwellings approved
48 decided (1-9 homes)
50%
Major dwellings approved
4 decided (10+ homes)
40%
Change of use approved
47 decided
617
Total decisions
137 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

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.