Planning Atlas
Planning AtlasRichmond Upon ThamesSt Margarets & North Twickenham wardTW1 1RU
Postcode record · Richmond Upon Thames

TW1 1RU.

TW1 1RU has 18 known premises and 43 planning records — 34 approved of 43 decided (79.1%). 10 EPC records.

Postcode TW1 1RU · boundary not held, centred on the postcodeApprovedRefusedOther43 exact1 approximate44 on the map — every match
At a glance · this postcodeRichmond Upon Thames profile →
18
Premises
known addresses (UPRNs)
43
Applications
43 decided
79.1%
Approval rate
34 approved · 4 refused
10
EPC records
ratings C 2 · D 3 · E 5
44
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property

What is it?

TW1 1RU has 18 known premises and 43 planning records — 34 approved of 43 decided (79.1%). 10 EPC records.

Premises

Planning

What happened?

43 planning applications across the postcode; 34 approved of 43 decided (79.1%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Details pursuant to condition C3 Sustainable Drainage Strategy of planning reference PA25/0146
6 CASSILIS ROAD TWICKENHAM TW1 1RU · premises record
Applicant Ylli · Agent Staff · Officer Brad Greening
Condition Approval
Refused
2026-02-17
T2 Plum (x1) Fell to ground level. Reason: Dead T3 Silver Birch (x1) Prune lateral branches by 1m to give 1.5m. Final height 9m and width 4m. Reason: Clearance from the property. T4 Plum (x1) Reduce height by and width by 1.5m. Final height 6m and width 5m. Reason: To maintain the tree at a smaller size in context to the garden.Clearance over shed.
22 Cassilis Road Twickenham Richmond Upon Thames TW1 1RU · premises record
Applicant Justine · Agent Payne · Officer Jamie Albertsen
Works to Trees Under TPO
Approved
2025-12-09
Outbuilding in rear garden
6 Cassilis Road Twickenham TW1 1RU · premises record
Applicant Omega Future Homes Ltd · Agent Meneses · Officer Brad Greening
Householder Application
Approved
2025-02-10
Demolition of existing garage, 5m rear extension at ground floor level and first floor rear extension
6 Cassilis Road Twickenham TW1 1RU · premises record
Applicant Omega Future Homes Ltd · Agent Mrs Ana Meneses · Officer Sarah Haous
Householder Application
Approved
2025-01-21
Dormer roof extensions to both side and rear elevations
6 Cassilis Road Twickenham TW1 1RU · premises record
Applicant Omega Future Homes Ltd · Agent Cubo design LTD · Officer Sarah Haous
Section 192 Permitted Development
Approved
2024-12-13
Reconstruction of dilapidated boundary wall, vehicle crossover, construction of
20 Cassilis Road Twickenham TW1 1RU · premises record
Section 192 Permitted Development
Approved
2023-06-19
Reconstruction of dilapidated boundary wall, crossover for driveway for car parking and electric vehicle charging together with associated landscaping alterations.
20 Cassilis Road Twickenham TW1 1RU · premises record
Householder Application
Withdrawn
2022-12-05
Replacement single-storey rear extension and new raised patio/steps and planters to rear.
7 Cassilis Road Twickenham TW1 1RU · premises record
Householder Application
Approved
2018-09-14
Replacement of the existing ground floor side extension, with a ground and first
2 Cassilis Road Twickenham TW1 1RU · premises record
Householder Application
Refused
2018-05-22
T1 - Prunus - Reduce height by 0.5-1m, pull in sides by 0.5m, lift lower branches to 0.5m, thin canopy by 10%, remove rubbing, epicormic growth and major dead wood T2 - Bay - Trim to shape, dome over top, lift lower growth for trunk to be visible by 0.5m T3 - Plum - Lift lower branches to 3m above roadside & remove epicormic growth
22 Cassilis Road Twickenham TW1 1RU · premises record
Works to Trees Under TPO
Approved
2018-01-11
Details pursuant to condition C3 Sustainable Drainage Strategy of planning reference PA25/0146
6 CASSILIS ROAD TWICKENHAM TW1 1RU · premises record
Applicant Ylli · Agent Staff · Officer Brad Greening
Refused
2026-02-17
More
Condition Approval
T2 Plum (x1) Fell to ground level. Reason: Dead T3 Silver Birch (x1) Prune lateral branches by 1m to give 1.5m. Final height 9m and width 4m. Reason: Clearance from the property. T4 Plum (x1) Reduce height by and width by 1.5m. Final height 6m and width 5m. Reason: To maintain the tree at a smaller size in context to the garden.Clearance over shed.
22 Cassilis Road Twickenham Richmond Upon Thames TW1 1RU · premises record
Applicant Justine · Agent Payne · Officer Jamie Albertsen
Approved
2025-12-09
More
Works to Trees Under TPO
Outbuilding in rear garden
6 Cassilis Road Twickenham TW1 1RU · premises record
Applicant Omega Future Homes Ltd · Agent Meneses · Officer Brad Greening
Approved
2025-02-10
More
Householder Application
Show all 10 rows
Demolition of existing garage, 5m rear extension at ground floor level and first floor rear extension
6 Cassilis Road Twickenham TW1 1RU · premises record
Applicant Omega Future Homes Ltd · Agent Mrs Ana Meneses · Officer Sarah Haous
Approved
2025-01-21
More
Householder Application
Dormer roof extensions to both side and rear elevations
6 Cassilis Road Twickenham TW1 1RU · premises record
Applicant Omega Future Homes Ltd · Agent Cubo design LTD · Officer Sarah Haous
Approved
2024-12-13
More
Section 192 Permitted Development
Reconstruction of dilapidated boundary wall, vehicle crossover, construction of
20 Cassilis Road Twickenham TW1 1RU · premises record
Approved
2023-06-19
More
Section 192 Permitted Development
Reconstruction of dilapidated boundary wall, crossover for driveway for car parking and electric vehicle charging together with associated landscaping alterations.
20 Cassilis Road Twickenham TW1 1RU · premises record
Withdrawn
2022-12-05
More
Householder Application
Replacement single-storey rear extension and new raised patio/steps and planters to rear.
7 Cassilis Road Twickenham TW1 1RU · premises record
Approved
2018-09-14
More
Householder Application
Replacement of the existing ground floor side extension, with a ground and first
2 Cassilis Road Twickenham TW1 1RU · premises record
Refused
2018-05-22
More
Householder Application
T1 - Prunus - Reduce height by 0.5-1m, pull in sides by 0.5m, lift lower branches to 0.5m, thin canopy by 10%, remove rubbing, epicormic growth and major dead wood T2 - Bay - Trim to shape, dome over top, lift lower growth for trunk to be visible by 0.5m T3 - Plum - Lift lower branches to 3m above roadside & remove epicormic growth
22 Cassilis Road Twickenham TW1 1RU · premises record
Approved
2018-01-11
More
Works to Trees Under TPO

Building control

Building-control records are not yet collected for Richmond Upon Thames — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).

Place

What affects it?

Every mapped designation touching a premises in this postcode, with how many of its 18 premises each one covers.

Designation
Coverage
Conservation Area
St Margaret's Estate · reference 7364 · covers 2 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
St Margaret's Estate · reference 7364 · covers 2 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
People

Who is involved?

Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development

What could it become?

Planning precedent43 applications and 44 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 2, D: 3, E: 5.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.

Intent signals

The Developer Plan

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

2 intent signals recorded in this postcode
Repeat refusal · Long hold
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
TW1 1RU, Richmond Upon Thames: Planning and Property History | Planning Atlas