121 High Street, Hounslow, TW3 1QL Data via plota.co.uk

P/2026/1913 - Lawful Development Certificate (Existing) Refused
Change of useNew homes

Proposal

Certificate of lawfulness for the material commencement of building operations (implementation of planning permission () dated 06/01/2010 for the erection of a second and third floor extension to create two self contained flats. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
29 Jun 2026
✓
Validated
2 Jul 2026
✗
Refused
27 Aug 2026
Appeal
Not lodged

Refused on 27 Aug 2026 · Last checked 15 Sept 2026

Documents 6

Decision & officer reports 2

PDF P-Delegated Report P-Delegated Report · 27 Aug 2026 View ↗ PDF DECCERTR P-Decision Notice · 27 Aug 2026 View ↗

Plans & drawings 3

PDF LocationPlan.pdf P-Location Plan · 29 Jun 2026 View ↗ PDF 2611-L-100 - Location Plan and Block Plan.pdf P-Existing Site · 29 Jun 2026 View ↗ PDF 2611_SK_001_Column position.pdf P-Existing Plans · 29 Jun 2026 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf P-Planning Application Form · 29 Jun 2026 View ↗

All documents on the council site ↗

Site constraints 7

2 Article 4 directions
Change of use or development that would result in new dwellings (Class MA/ZA) · 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 Named permitted development rights are withdrawn here.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.
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.
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 ↗
Town centre: Hounslow
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
Also on the record
National infrastructure project 959 m away: Teddington Direct River Abstraction (TDRA), at pre-application; Inside the Hounslow built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 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.

Sales history 1

Last sold for £305,000 in July 1996. Detached house, freehold.

26 July 1996£305,000

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

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Other new applications on this street

1 Jul 2026Refused

147-161 High Street, Hounslow, TW3 1QL

Details of conditions 4a to g (materials), 6 (construction logistics plan) and 1...

P/2026/1955
7 Sept 2026Pending

185 High Street,Hounslow,TW3 1BL

Installation of one externally non illuminated fascia sign

P/2026/2536
6 Aug 2026Refused

Euro House, 54-66 High Street, Hounslow, TW3 1NW

Non material amendments to allow the removal of Condition 5 (Eastern Vehicular A...

P/2026/2297
4 Aug 2026Withdrawn

194 High Street,Hounslow,TW3 1HL

use class to remain E(a). internal layout alteration and implementation of new f...

P/2026/2278

Nearby new applications

28 Sept 2026Pending

719-727, London Road, Hounslow, TW3 1SE

Variation of condition 2 (Approved Plans) to allow minor amendments to the appro...

P/2026/2724
4 Sept 2026Pending

2 Lampton Park Road, Hounslow, TW3 4HS

Erection of a two storey side extension, rear roof extension with hip to gable c...

P/2026/2525
16 Sept 2026Pending

65-67 Hanworth Road, Hounslow, TW3 1TT

Variation of condition 2 (approved plans) to replace the approved drawing to rem...

P/2026/2637
10 Sept 2026Pending

Land to the North of 38 Alexandra Road, Hounslow, TW3 4HN

Erection of a two storey house with associated private amenity space, cycle and ...

P/2026/2579
7 Sept 2026Pending

185 High Street,Hounslow,TW3 1BL

Installation of one externally non illuminated fascia sign

P/2026/2536
16 Jun 2026Pending

22 Bristow Road, Hounslow, TW3 1UP

Erection of a single storey and apart first floor rear extension to allow the co...

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Important details

Council
Hounslow
Application type
Lawful Development Certificate (Existing)
Postcode
TW3 1QL
Received
29 Jun 2026
Validated
2 Jul 2026
Ward
Hounslow Central
Case officer
Show
Decision
LAWFNOTGRANT
Decision date
27 Aug 2026
Applicant
Show
Freehold owner
Show

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Refused, as 48% of changes of use here are.

62%decided within 8 weeks
52%approved
102decided in the last year

Plota live figures for changes of use decided by Hounslow in the last twelve months, from validation. Hounslow decision record →

Public comments

No public comments yet.

Read the comments on the council site ↗

Consultation & key dates

Consultation
7 Jul 2026
Comments by
7 Jul 2026
Statutory expiry
27 Aug 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
147-161 High Street, Hounslow, TW3 1QL
Erection of a part third floor front extension to provide four additional flats and a par…
P/2025/3543
2025 Approved
113 HIGH STREET, Hounslow, TW3 1QT
Replacement of the existing shopfront, relocation of the existing flue, and installation…
P/2025/3079
2025 Refused
142-144,High Street, Hounslow, TW3 1LR
Retrospective permission for the installation of retractable canopies to first and second…
P/2025/0801
2025 Refused
142-144,High Street, Hounslow, TW3 1LR
Retrospective permission for the installation of retractable canopies to first and second…
P/2025/1312
2025 Refused
O/S 112 High Street, Hounslow, TW3 1NA
Installation of a BT Street Hub 3 Unit following the removal of the existing InLink Unit…
P/2025/2420
2025 Refused
O/S 112 High Street, Hounslow, TW3 1NA
Installation of a BT Street Hub 3 Unit following the removal of the existing InLink Unit…
P/2025/2427
2025 Approved
4 Gilbert Street, Hounslow, TW3 1QS
Subdivision of existing office to create retail unit and alterations to the front elevati…
P/2025/0826
2025
115-119 High Street, Hounslow, TW3 1QT
Erection of a four storey building with commercial space at ground and basement levels, w…
P/2025/3100
2025 Approved
122 High Street ,Hounslow, TW3 1NA
Installation of an external extractor fan, flue and associated screening to rear roof of…
P/2025/2460
2025 Approved
Bikanervala,101-105 High Street, Hounslow, TW3 1QT
Installation of an outdoor seating area on the front & side of the existing restaurant in…
P/2025/2285
2025 Refused
122 High Street, Hounslow, TW3 1NA
Installation of an external kitchen extractor on the rear elevation of the unit.
P/2025/1303
2025 Approved
122 High Street, Hounslow, TW3 1NA
Erection of a first floor rear extension to the existing offices.
P/2025/0850
2025 Refused
Telecommunications outside 112 High Street, Hounslow, TW3 1NA
Removal of an existing InLink unit and installation of a replacement street Hub 3 unit an…
P/2025/0861
2025 Refused
Telecommunications outside 112 High Street, Hounslow, TW3 1NA
Removal of an existing InLink unit and installation of a replacement street Hub 3 unit an…
P/2025/0936
2024 Approved
147-161 High Street, Hounslow, TW3 1QL
Introduction of a courtyard to the first floor with new windows, doors, skylights and ass…
P/2024/4302
2024 Refused
142-144,High Street,Hounslow,TW3 1LR
Retrospective permission for the installation of canopies at first and second floor and a…
P/2024/3477
2024 Refused
142-144,High Street,Hounslow,TW3 1LR
Retrospective permission for the installation of retractable canopies to first and second…
P/2024/3479
2025 Withdrawn
122 High Street,Hounslow,TW3 1NA
Alterations to the existing shopfront and the erection of a first floor rear extension wi…
P/2025/0068
2024 Approved
147-161 HIGH STREET, HOUNSLOW, TW3 1QL
Installation of new windows and doors incorporating alterations to the existing windows a…
P/2024/0316
2023 Approved
4 GILBERT STREET, HOUNSLOW, TW3 1QS
Erection of single storey rear extension to office premises
P/2023/2619
2016 Approved
TSB BANK 122 HIGH STREET HOUNSLOW LONDON TW3 1NA
Installation of one internally illuminated projecting sign, four internally illuminated a…
P/2016/3788
2016 Refused
113 HIGH STREET HOUNSLOW TW3 1QT
Erection of first floor rear extension and additional second floor to replace existing fl…
P/2016/2017
2016 Approved
127 HIGH STREET HOUNSLOW TW3 1QP
Installation of one externally illuminated fascia sign, one internally illuminated hangin…
P/2016/2348
2016 Withdrawn
152-154 HIGH STREET HOUNSLOW LONDON TW3 1LR
Joint application for erection of a single storey rear extensions to both properties and…
P/2016/1289
2016 Approved
BONMARCHE 136-138 HIGH STREET HOUNSLOW LONDON TW3 1LR
Installation of one internally illuminated fascia sign and one internally illuminated pro…
P/2016/0728
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

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

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.