18 Lyndhurst Avenue Twickenham TW2 6BY Data via plota.co.uk

PA26/3100 - Section 192 Permitted Development Approved
Extensions & alterations

Proposal

Hip to gable and rear dormer roof extensions, three roof lights to the front ele Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 Sept 2026
✓
Validated
9 Sept 2026
✓
Approved
27 Oct 2026

Approved on 27 Oct 2026 · Delegated Decision · Last checked 27 Oct 2026

Documents

View the documents on the council's website ↗

Site constraints 7

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.
Also on the record
National infrastructure project 141 m away: Expansion of Heathrow Airport (Third Runway), at pre-application; Local nature reserve 493 m away: Crane Park Island; Inside the Richmond upon Thames built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Metropolitan Open Land 66 m away.
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 £172,500 in June 2001. Semi-detached house, freehold.

29 June 2001£172,500

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

Building

Floor area111 m² (1,195 sq ft)
Energy ratingC (73 out of 100)
PropertySemi-detached house, 5 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2025, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

8 Sept 2026Pending

199, Land to rear of, Lyndhurst Avenue, Twickenham, TW2 6BN

DEMOLITION OF EXISTING GARAGES AND CONSTRUCTION OF 1 BEDROOM DETACHED SINGLE STO...

PA26/3076
11 Jun 2026Approved

95, Lyndhurst Avenue, Twickenham, TW2 6BH

Hip to gable and rear dormer roof extensions and insertion of rooflights to the ...

PA26/2048
2 Jun 2026Approved

111, Lyndhurst Avenue, Twickenham, TW2 6BH

Erection of an outbuilidng for use as office/storage space/garden room.

PA26/1806

Nearby new applications

15 Oct 2026Pending

212 And 214 Hospital Bridge Road Twickenham TW2 6LF

Proposed shared vehicular access and driveways to two properties.

PA26/3456
1 Oct 2026Pending

18 Lyndhurst Avenue Twickenham TW2 6BY

roof alterations with extended rear dormer

PA26/3344
24 Sept 2026Pending

1 Powder Mill Lane Twickenham TW2 6EE

Single Storey Rear Extension and increase to Roof over Side Storage.

PA26/3256
22 Sept 2026Pending

56, HOSPITAL BRIDGE ROAD, TWICKENHAM, RICHMOND UPON THAMES, TW2 5UJ

Rear ground floor extension, 6m in depth, 3.2m in height and 3m in height to eav...

PA26/3272
21 Sept 2026Pending

132, WAVERLEY AVENUE, TWICKENHAM, RICHMOND UPON THAMES, TW2 6DL

Change of use from single dwelling house to HMO (House in Multiple Occupation) f...

PA26/2685
11 Sept 2026Pending

60 Beech Way Twickenham Richmond Upon Thames TW2 5JS

Proposed alterations to the existing roof, including loft conversion to accommod...

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Important details

Council
Richmond upon Thames
Application type
Section 192 Permitted Development
Postcode
TW2 6BY
Received
7 Sept 2026
Validated
9 Sept 2026
Ward
Heathfield Ward [HTF]
Case officer
Show
Target decision
2 Nov 2026
Decision date
27 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Dimensions- Planning&Architecture

How this decision compares

Decided in 48 days from validation, about the council's usual 48 days. Approved, as 86% of extensions here are.

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-15208517

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2016 Refused
Proposed loft conversion, garage conversion and front porch.
16/0434/HOT
Within ~100m

Nearby activity

2025 Approved
1, Waverley Avenue, Twickenham, TW2 6DQ
Demolition of garage and erection of a new garage and hobbies room.
PA25/2219
2025 Approved
59 Lyndhurst Avenue Whitton.
Proposed installation of a new window in place of the existing front garage door, install…
PA25/2055
2024 Approved
12 Waverley Avenue Twickenham TW2 6DW
Outbuilding to the rear of the garden to create home office and storage room (retrospecti…
24/2887/HOT
2024 Approved
28 Lyndhurst Avenue Twickenham TW2 6BY
Rear Extension and internal modifications.
24/1173/HOT
2024 Refused
28 Lyndhurst Avenue Twickenham TW2 6BY
Front Porch, Rear Extension and internal modifications.
24/0565/HOT
2024 Approved
41 Lyndhurst Avenue Twickenham TW2 6BQ
Increase of existing dormer size and new windows to mansard roof on first floor and new o…
24/0396/HOT
2024 Approved
28 Lyndhurst Avenue Twickenham TW2 6BY
Loft conversion with hip to gable, rear dormer and rooflights to front plane
24/0423/PS192
2023 Approved
65 Lyndhurst Avenue Twickenham TW2 6BQ
Front porch, standalone pergola to the rear and internal changes.
23/3408/PS192
2023 Approved
23 Lyndhurst Avenue Twickenham TW2 6BG
Air Conditioning Units to rear extension
23/3026/HOT
2023 Approved
4 Waverley Avenue Twickenham TW2 6DW
Single storey rear and two storey side extensions
23/2204/HOT
2023 Withdrawn
23 Lyndhurst Avenue Twickenham TW2 6BG
Air Conditioning Units installed on external wall of rear extension
23/2358/HOT
2023 Refused
16 Waverley Avenue Twickenham TW2 6DW
Demolish existing detached garage and rear single-storey projection. Erection of double-s…
23/1778/HOT
2023 Approved
51 Waverley Avenue Twickenham TW2 6DQ
Hip to gable and rear dormer roof extension, and front roof lights.
23/0562/PS192
2023 Approved
81 Lyndhurst Avenue Twickenham TW2 6BQ
Erection of a rear conservatory.
23/0358/HOT
2023 Approved
51 Waverley Avenue Twickenham TW2 6DQ
PROPOSED SINGLE STOREY REAR EXTENSION AND FRONT PORCH.
23/0366/HOT
2022 Approved
12 Waverley Avenue Twickenham TW2 6DW
Rear and Side, ground and first floor extension works plus internal reconfiguration.
22/1255/HOT
2022 Approved
23 Lyndhurst Avenue Twickenham TW2 6BG
Roof Alteration including; hip to gable end conversion, loft conversion into habitable sp…
22/0438/PS192
2021 Refused
14 Lyndhurst Avenue Twickenham TW2 6BY
Hip to gable and rear dormer roof extension, rooflights to front elevation
21/2041/PS192
2021 Approved
20 Waverley Avenue Twickenham TW2 6DW
Ground floor rear extension
21/4189/HOT
2021 Approved
23 Lyndhurst Avenue Twickenham TW2 6BG
Single storey rear extension
21/2880/HOT
2016 Approved
2 Waverley Avenue Twickenham TW2 6DW
First floor side extension. Alterations to rear fenestration.
16/4079/HOT
2016 Refused
21 Lyndhurst Avenue Twickenham TW2 6BG
Two-storey side extension, single-storey front and rear extension and erection of dormer…
16/3999/HOT
2016 Approved
34 Lyndhurst Avenue Twickenham TW2 6BY
Proposed single storey rear extension.
16/1749/PS192
2016 Approved
43 Lyndhurst Avenue Twickenham TW2 6BQ
Proposed single storey side and rear extension.
16/1359/HOT
2016 Approved
43 Lyndhurst Avenue Twickenham TW2 6BQ
Proposed hip to gable roof extension with rear dormer.
16/0513/PS192
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.