Flat 11, 14 and 16, Thornbury Court, Church Road, Isleworth, TW7 4PP Data via plota.co.uk

P/2026/2731 - PF-Full Applications REGISTERED: Under Consultation
Utility infrastructure

Proposal

Installation of 10m new riser and float to pick up three services to the north east elevation of the building. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
28 Sept 2026
✓
Validated
12 Oct 2026
Decision
Expected by 7 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 7 Dec 2026, from Hounslow's recent utility and infrastructure works.

Comments are open until 9 Nov 2026

Comment on this application ↗

Documents 10

Statements & assessments 3

PDF FLAT 11 14 and 16 THORNBURY COURT - Fire Statement - Issue 01.pdf P-Published Fire Safety · 28 Sept 2026 View ↗ PDF Flat 11, 14 & 16 Thornbury Court DAHS.pdf P-Design and Access Statement · 28 Sept 2026 View ↗ PDF Heritage statement_included_in_Design and access statement.pdf P-Heritage impact statement · 28 Sept 2026 View ↗

Plans & drawings 6

PDF 20260324_26000674_PLN_EL_1.1.pdf P-All in one Plans Proposed · 28 Sept 2026 View ↗ PDF Elevation (Side) - Existing_included_in_Detail Drawing.pdf P-Existing Elevation · 28 Sept 2026 View ↗ PDF Elevation (Side) - Existing_included_in_Detail Drawing_38133191.pdf P-Existing Elevation · 28 Sept 2026 View ↗ PDF 20260324_26000674_PLN_LOC_2.1.pdf P-Location Plan · 28 Sept 2026 View ↗ PDF 20260324_26000674_PLN_SI_3.1.pdf P-Location Plan · 28 Sept 2026 View ↗ PDF 20260324_26000674_PLN_SI_4.1.pdf P-Location Plan · 28 Sept 2026 View ↗

Application forms 1

PDF P-Planning Application Form P-Planning Application Form · 19 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 7

Spring Grove conservation area
Demolition needs planning permission and permitted development is restricted.
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.
Council document ↗
Article 4 direction
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction. Named permitted development rights are withdrawn here.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.
Air quality management area: Hounslow 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 Hounslow built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square; Designated open space 14 m away; National infrastructure project 1596 m away: Teddington Direct River Abstraction (TDRA), at pre-application.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 20 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.

Building

Floor area69 m² (743 sq ft)
Energy ratingC (69 out of 100)
PropertyEnd-terrace flat, 4 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2022, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Hounslow
Application type
PF-Full Applications
Postcode
TW7 4PP
Received
28 Sept 2026
Validated
12 Oct 2026
Ward
Osterley & Spring Grove
Applicant
Show

Decision outlook

Day 16 of the 56-day target. Hounslow usually decides utility and infrastructure works by day 56.

Day 1640 days to the 56-day target
57%decided within 8 weeks
84%approved
50decided in the last year

Plota live figures for utility and infrastructure works decided by Hounslow in the last twelve months, from validation. Hounslow decision record →

Consultation & key dates

Consultation
19 Oct 2026
Comments by
9 Nov 2026
Statutory expiry
7 Dec 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
28 Osterley Road, Isleworth, TW7 4PN
Erection of first-floor rear extension and front porch enclosure. Alterations to existing…
P/2025/3088
2025 Refused
12 Church Road, Isleworth, TW7 4PR
Formation of a vehicular access to the front of the house
P/2025/2636
2025 Approved
12 Church Road, Isleworth, TW7 4PR
Works to trees within a Conservation Area: T1 - Sycamore Tree, rear garden, fell to groun…
P/2025/2035
2023 Approved
ISLEWORTH AND SYON SCHOOL FOR BOYS 106 RIDGEWAY ROAD, ISLEWORTH, TW7 5LJ
Works to trees in a conservation area: T5 - Cherry - remove all deadwood and re-shape tre…
P/2023/3762
2023 Approved
12 CHURCH ROAD, ISLEWORTH, TW7 4PR
Erection of a two storey side extension, single storey rear extension, and side and rear…
P/2023/3435
2023 Approved
ST MARYS CHURCH OSTERLEY ROAD, ISLEWORTH, TW7 4PW
Works to trees within conservation area. Fell Cherry (T1), Damson (T2), and Elder (T5) tr…
P/2023/0614
2023 Approved
ST MARYS CHURCH OSTERLEY ROAD, ISLEWORTH, TW7 4PW
Crown reduce 2 metres all around and crown lift 3 metres to Yew within TPO No. 302
P/2023/0641
2022 Withdrawn
ST MARYS CHURCH OSTERLEY ROAD, ISLEWORTH, TW7 4PW
Works to trees in a conservation area: T1 Yew Tree - Crown reduction to remove contact wi…
P/2022/3118
2022 Approved
ST MARYS VICARAGE OSTERLEY ROAD, ISLEWORTH, TW7 4PW
Works in a Conservation Area (5 day tree) Magnolia - Reduce the height by 1.2-1.5m Reduce…
P/2022/0734
2021 Approved
ISLEWORTH AND SYON SCHOOL FOR BOYS 106 RIDGEWAY ROAD, ISLEWORTH, TW7 5LJ
Erection of a single story infill extension
P/2021/3654
2021 Approved
106 ISLEWORTH AND SYON SCHOOL FOR BOYS RIDGEWAY ROAD, ISLEWORTH, TW7 5LJ
Installation of new mechanical ventilation and cooling to Isleworth & Syon School and ins…
P/2021/0344
2021 Approved
ST MARYS VICARAGE OSTERLEY ROAD, ISLEWORTH, TW7 4PW
Works to five Trees under Preservation Order 302: Magnolia - on the right hand side: thin…
P/2021/1852
2020 Approved
1-16 ST ANDREWS CLOSE, ISLEWORTH, TW7 4PQ
Works to five trees on site. T1 Sycamore reduce away from property to give 3m clearance-r…
P/2020/4450
2020 Approved
28 OSTERLEY ROAD, ISLEWORTH, TW7 4PN
Thin three Lime and three Copper Beech trees (within TPO 141) by 30%.
P/2020/2386
2019 Approved
ISLEWORTH AND SYON SCHOOL FOR BOYS 106 RIDGEWAY ROAD, ISLEWORTH, TW7 5LJ
Felling of a Prunus Tree within a conservation area
P/2019/3473
2019 Approved
106 ISLEWORTH AND SYON SCHOOL FOR BOYS RIDGEWAY ROAD, ISLEWORTH, TW7 5LJ
Erection of a single storey building for use as a dining hall
P/2019/2862
2018 Withdrawn
106 ISLEWORTH AND SYON SCHOOL FOR BOYS RIDGEWAY ROAD, ISLEWORTH, TW7 5LJ
Variation of condition 12 (Energy strategy), to allow a revised levels emission rate, of…
P/2018/3592
2018 Approved
106 ISLEWORTH AND SYON SCHOOL FOR BOYS RIDGEWAY ROAD ISLEWORTH LONDON TW7 5LJ
Work to three Cherry Trees located within a Conservation Area
P/2018/1754
2018 Approved
ST MARYS CHURCH OSTERLEY ROAD ISLEWORTH LONDON TW7 4PW
Works to a tree within a conservation area T1-Sycamore Large mature tree located on the b…
P/2018/0607
2018 Approved
106 ISLEWORTH AND SYON SCHOOL FOR BOYS RIDGEWAY ROAD ISLEWORTH LONDON TW7 5LJ
Works to a tree within a conservation area - Lime tree to pruned and reduced
P/2018/0369
2016 Approved
ISLEWORTH AND SYON SCHOOL FOR BOYS 106 RIDGEWAY ROAD ISLEWORTH TW7 5LJ
Details of construction environmental management plan (condition 7) submitted pursuant to…
P/2016/4588
2016 Approved
ST MARYS VICARAGE OSTERLEY ROAD ISLEWORTH TW7 4PW
Work to various trees under TPO 302 in a conservation area
P/2016/4833
2016 Approved
ISLEWORTH AND SYON SCHOOL FOR BOYS 106 RIDGEWAY ROAD ISLEWORTH TW7 5LJ
Details of tree protection (condition 11) submitted pursuant to planning permission 00941…
P/2016/4428
2016 Approved
ISLEWORTH AND SYON SCHOOL FOR BOYS 106 RIDGEWAY ROAD ISLEWORTH TW7 5LJ
Details of cycle parking (condition 8) and Energy Strategy (condition 12 - part 1) submit…
P/2016/3962
2016 Approved
ISLEWORTH AND SYON SCHOOL FOR BOYS 106 RIDGEWAY ROAD ISLEWORTH TW7 5LJ
Details of materials (condition 3), construction environmental management plan (condition…
P/2016/3716
Hounslow
Planning Authority Score
2.1/10
Poor
#268 of 296 councils
Relevant to this application:
Householder decisions

Hounslow is slower than most councils at deciding householder applications, ranking #203 out of 296. 47% of applications have the time limit extended, above the 41% national average. Hounslow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 75% approved vs 90% nationally.

One of the strictest councils
only 75% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Hounslow decision statistics
Based on MHCLG data, the year to March 2026
71%
Overall approval rate
Below avg (87%) #294 of 296
75%
Householder approved
Below avg (90%) #293 of 296
56%
Decided in 8 weeks
Below avg (63%) #203 of 296
47%
Extended time limit
Above avg (41%) #208 of 296
38%
Minor dwellings approved
82 decided (1-9 homes)
93%
Major dwellings approved
14 decided (10+ homes)
29%
Change of use approved
72 decided
1,191
Total decisions
340 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

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.