50 Powder Mill Lane Twickenham TW2 6ED
Pending
PA26/0224 - Householder Application
Description
Erection of a single-storey rear extension
Other new applications on this street
Nearby new applications
111, Lyndhurst Avenue, Twickenham, TW2 6BH
Erection of an outbuilidng for use as office/storage space/garden room.
Heathfield Recreation Ground Powder Mill Lane Twickenham
Artificial Cricket Pitch
3 Cheyne Avenue Twickenham TW2 6AN
Erection of a single storey rear extension ( 6m depth, 3.4m overall height, 3m e
65 Fulwell Park Avenue Twickenham TW2 5HF
Following demolition of existing 2.5 meter deep x 3.1 meter wide rear flat roof
22, Powder Mill Lane, Twickenham, TW2 6ED
Loft conversion with rear box dormer and juliet balcony doors, and 3 rooflights
169 Powder Mill Lane Twickenham TW2 6EQ
Second storey side extension
Historical activity at this location
28 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2016
Approved
Single-storey part rear extension (following demolition of existing addition).
2016
Approved
Loft conversion to include dormer extension on rear roof slope and insertion of 2 no. Vel…
2016
Withdrawn
Single storey side/rear extension and loft conversion comprising dormer roof extension on…
Within ~100m
Nearby activity
2025
Approved
40, Powder Mill Lane, Twickenham, TW2 6ED
Ground floor rear extension and internal reconfiguration
2025
Approved
40, Powder Mill Lane, Twickenham, TW2 6ED
Loft conversion, hip to gable roof extension and rear dormer.
2024
Refused
1 Longford Road Twickenham TW2 6EB
Hip to gable and rear dormer roof extension, porch at the front of the property and a sin…
2023
Approved
111 Hospital Bridge Road Twickenham TW2 6LD
PROPOSED LOFT CONVERSION WITH GABLE END, REAR DORMER AND FRONT VELUX WINDOWS
2022
Approved
117 Hospital Bridge Road Twickenham TW2 6LD
Single storey rear extension.
2021
Approved
117 Hospital Bridge Road Twickenham TW2 6LD
Front porch extension and outbuilding in rear garden.
2021
Refused
117 Hospital Bridge Road Twickenham TW2 6LD
Single storey rear extension 4m in depth, 3m in height and 3m in height to eaves.
2020
Approved
1 Powder Mill Lane Twickenham TW2 6EE
Single Storey Front Porch Extension.
2020
Approved
117 Hospital Bridge Road Twickenham TW2 6LD
Hip to gable end and rear dormer loft conversion and single storey rear extension.
2020
Approved
89 Hospital Bridge Road Twickenham TW2 6DG
SINGLE STOREY REAR EXTENSION.
2020
With conditions
20 Powder Mill Lane Twickenham TW2 6ED
A single storey rear extension with pitched roof and single roof light. The extension wil…
2020
Approved
Ground Floor Flat Rear 13 Longford Road Twickenham TW2 6EB
Replacement of the existing wooden garage a new brick garage
2020
With conditions
20 Powder Mill Lane Twickenham TW2 6ED
Single storey rear extension (6m depth, 3m eaves height, 3.30m maximum height)
2019
Approved
30 Powder Mill Lane Twickenham TW2 6ED
Hip to gable and rear dormer roof extensions. 1 new side window. Installation of 3No. sky…
2019
Withdrawn
30 Powder Mill Lane Twickenham TW2 6ED
Demolition part of the existing rear ground floor extension. Construction of a new full w…
2019
With conditions
30 Powder Mill Lane Twickenham TW2 6ED
Single-storey rear extension (3m depth, 3m eaves height, 3.166m maximum height), where th…
2019
Approved
29 Powder Mill Lane Twickenham TW2 6EF
Side/rear extension.
2019
Approved
2 Longford Road Twickenham TW2 6EA
T1 - Eucalyptus - Reduce by 30-35% (i.e. 4-5m) back to most recent previous reduction poi…
2018
Approved
Studio 2 13 Longford Road Twickenham TW2 6EB
Side and rear dormer roof extensions
2018
Refused
30 Powder Mill Lane Twickenham TW2 6ED
Hip to gable and rear dormer roof extension. 2no. rooflights to front roof slope. 1No. ne…
2018
Approved
109 Hospital Bridge Road Twickenham TW2 6LD
Hip to gable and rear dormer roof extensions, insertion of one obscure glazed window to t…
2017
With conditions
10 Powder Mill Lane Twickenham TW2 6ED
Proposed single-storey rear extension (4.5m in depth, 2.87m to the eaves and 3.5m overall…
2017
Refused
121 Hospital Bridge Road Twickenham TW2 6LE
Application to increase the rear garden fence height from 1m to 2m.
2016
Refused
Studio 2 13 Longford Road Twickenham TW2 6EB
Loft conversion comprising of a hip to gable roof extension and dormer roof extension on…
2016
Approved
23 Powder Mill Lane Twickenham TW2 6EE
Erection of a PVCU conservatory to the rear of the property.
Richmond upon Thames
Planning Authority Score
4.4/10
Below average
#180 of 292 councils
Relevant to this application:
Householder decisions
Richmond upon Thames ranks #128 out of 292 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 81% approved vs 90% nationally.
One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application.
View full council performance
Richmond upon Thames decision performance
Based on MHCLG data, 2025
80%
Overall approval rate
Below avg (87%) #262 of 292
81%
Householder approved
Below avg (90%) #271 of 292
69%
Decided in 8 weeks
Above avg (64%) #128 of 292
34%
Extended time limit
Below avg (40%) #90 of 292
70%
Minor dwellings approved
175 decided (1-9 homes)
75%
Major dwellings approved
4 decided (10+ homes)
60%
Change of use approved
15 decided
1,916
Total decisions
383 refused in 2025