20 Glasbrook Avenue Twickenham TW2 6AH Data via plota.co.uk

PA26/3026 - Householder Application Registered
Extensions & alterations

Proposal

A rear loft extension Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
1 Sept 2026
✓
Validated
10 Sept 2026
Decision
Expected by 5 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 28 Oct 2026, from Richmond upon Thames's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 6

Air quality management area: Richmond 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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Local nature reserve 243 m away: Crane Park Island
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
National infrastructure project 533 m away: Expansion of Heathrow Airport (Third Runway), at pre-application; Inside the Richmond upon Thames built-up area; Public transport access: PTAL 1b (very poor), 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 3

Last sold for £316,000 in January 2007. Terraced house, freehold.

15 January 2007£316,000
17 May 2002£220,000
8 December 2000£140,000

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

Building

Floor area97 m² (1,044 sq ft)
Energy ratingD (65 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2021, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Richmond upon Thames
Application type
Householder Application
Postcode
TW2 6AH
Received
1 Sept 2026
Validated
10 Sept 2026
Ward
Heathfield Ward [HTF]
Case officer
Show
Target decision
5 Nov 2026
Applicant
Show
Agent
Plan spot

Decision outlook

Day 48 of the 56-day target. Richmond upon Thames usually decides extensions by day 48.

Day 488 days to the 56-day target
78%decided within 8 weeks
86%approved
1,289decided in the last year

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

Consultation & key dates

Alt. reference
PP-15192396
Statutory expiry
1 Oct 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
5 Glasbrook Avenue Twickenham
SINGLE STOREY REAR WRAP AROUND EXTENSION AND CONVERSION OF SIDE GARAGE INTO A HABITABLE R…
PA25/2596
2025 Approved
5 Glasbrook Avenue Twickenham
Hip to gable and rear dormer
PA25/2688
2025 Withdrawn
28 Albemarle Avenue Twickenham TW2 6AJ
Proposed Pool & Gym Outbuilding
25/0020/PS192
2024 Approved
19 Chester Avenue Twickenham TW2 6AG
Proposed part hip to gable end roof extension with a rear dormer, and front velux roof li…
24/2881/HOT
2024 Approved
23 Glasbrook Avenue Twickenham TW2 6AH
Proposed removal of the existing side garage, and rear conservatory, with the proposal of…
24/2420/PS192
2024 Refused
19 Chester Avenue Twickenham TW2 6AG
Proposed part hip to gable end with a rear roof dormer, and front velux roof lights
24/1710/HOT
2023 Withdrawn
28 Albemarle Avenue Twickenham TW2 6AJ
hip to gable roof Loft Extension with new dormer window to rear and velux rooflight on ro…
23/3300/PS192
2023 Approved
23 Chester Avenue Twickenham TW2 6AG
LOFT CONVERSION WITH HIP TO GABLE WALL. ROOFLIGHTS AND REAR DORMER. SOLAR PANELS. SIDE EX…
23/3167/PS192
2023 Withdrawn
23 Chester Avenue Twickenham TW2 6AG
LOFT CONVERSION WITH HIP TO GABLE WALL. ROOFLIGHTS AND REAR DORMER. SOLAR PANELS. SIDE EX…
23/2237/PS192
2023 Refused
28 Albemarle Avenue Twickenham TW2 6AJ
Hip to gable and rear dormer roof extensions. Rooflight to front elevation
23/2555/PS192
2023 Approved
28 Albemarle Avenue Twickenham TW2 6AJ
Alterations and Extension to side, rear
23/1070/HOT
2022 Approved
34 Glasbrook Avenue Twickenham TW2 6AH
Hip to gable Loft conversion with Rear dormer
22/1504/PS192
2022 Refused
34 Glasbrook Avenue Twickenham TW2 6AH
Hip to gable and full width dormer roof extension.
22/0561/HOT
2022 Approved
24 Glasbrook Avenue Twickenham TW2 6AH
Hip to gable loft conversion with dormer to rear and rooflights to front roof slope and s…
22/0103/PS192
2021 Approved
104 Ellerman Avenue Twickenham TW2 6AQ
Single storey side and rear wraparound extension and Hip to gable first floor extension w…
21/1978/HOT
2021 Approved
26 Chester Avenue Twickenham TW2 6AG
PROPOSED HIPPED TO GABLE, REAR DORMER, 3X ROOF LIGHTS TO FRONT ELEVATION AND LOFT CONVERS…
21/1212/PS192
2020 Approved
32 Glasbrook Avenue Twickenham TW2 6AH
Single story side and rear extension incorporating the existing garage and side return.
20/3548/FUL
2020 Approved
16 Glasbrook Avenue Twickenham TW2 6AH
Change of roof design from hip to gable and loft conversion with rear dormer roof extensi…
20/3217/PS192
2020 Approved
32 Glasbrook Avenue Twickenham TW2 6AH
Hip to gable and rear dormer roof extension. 2 x front rooflights
20/3374/PS192
2020 Approved
23 Chester Avenue Twickenham TW2 6AG
Single storey side extension.
20/3160/HOT
2016 Refused
108 Ellerman Avenue Twickenham TW2 6AQ
First floor side/rear extension and loft conversion comprising the erection of rear dorme…
16/3333/HOT
2016 Approved
7 Glasbrook Avenue Twickenham TW2 6AH
Loft converison including side and rear dormer roof extension. Insertion of 1 No. rooflig…
16/1436/PS192
2016 Refused
108 Ellerman Avenue Twickenham TW2 6AQ
First floor side/rear extension and loft conversion comprising the erection of rear dorme…
16/2297/HOT
2016 Approved
7 Glasbrook Avenue Twickenham TW2 6AH
Demolition of existing garage and erection of single storey side/rear extension.
16/2071/HOT
2016 Withdrawn
7 Glasbrook Avenue Twickenham TW2 6AH
Proposed single storey rear/side extension and loft conversion.
16/0034/HOT
Richmond upon Thames
Planning Authority Score
4.4/10
Below average
#182 of 296 councils
Relevant to this application:
Householder decisions

Richmond upon Thames ranks #130 out of 296 councils for householder decision speed. Richmond 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
Richmond upon Thames decision statistics
Based on MHCLG data, the year to March 2026
81%
Overall approval rate
Below avg (87%) #257 of 296
82%
Householder approved
Below avg (90%) #268 of 296
69%
Decided in 8 weeks
Above avg (63%) #130 of 296
35%
Extended time limit
Below avg (41%) #104 of 296
68%
Minor dwellings approved
181 decided (1-9 homes)
100%
Major dwellings approved
3 decided (10+ homes)
47%
Change of use approved
17 decided
1,888
Total decisions
358 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.