Planning application · Richmond Upon Thames
PA25/3148. 4, Marble Hill Gardens, Twickenham, TW1 3AX
Householder at 4, Marble Hill Gardens, Twickenham, TW1 3AX, received 11 Sep 2025 — approved on 23 Dec 2025 (delegated, Emer Costello).
Applications Designations · 0 of 21 on▾
Approved
Outcome
23 Dec 2025
15 wks
Decision time
7 wks over the 8-week target
Record from the Richmond Upon Thames planning register as captured; documents link to the council's own files. Nearby applications are context, not part of this application.
Ground floor rear extension
Type
Householder Application
Decision route
Delegated (officer)
Status
Decision Despatched
Type
Householder Application
Show all 17 rows Decision route
Delegated (officer)
Status
Decision Despatched
Application Form - Without Personal Data
11 Sept 2025
SITE LOCATION PLAN 1070 XX 000
11 Sept 2025
Block Plan 1070 XX 003
11 Sept 2025
HEAT LOSS REPORT
11 Sept 2025
ENERGY PERFORMANCE CERTIFICATE
11 Sept 2025
TECHNICAL DATASHEET AIR SOURCE HEAT PUMPS
11 Sept 2025
SITE LOCATION PLAN
11 Sept 2025
EXISTING ELEVATIONS & SECTION 1070 001
11 Sept 2025
EXISTING Floor Plans 1070 XX 002
11 Sept 2025
PROPOSED ELEVATIONS & SECTION
11 Sept 2025
Application Form - Without Personal Data
11 Sept 2025
SITE LOCATION PLAN 1070 XX 000
11 Sept 2025
Block Plan 1070 XX 003
11 Sept 2025
Show all 10 rows HEAT LOSS REPORT
11 Sept 2025
ENERGY PERFORMANCE CERTIFICATE
11 Sept 2025
TECHNICAL DATASHEET AIR SOURCE HEAT PUMPS
11 Sept 2025
SITE LOCATION PLAN
11 Sept 2025
EXISTING ELEVATIONS & SECTION 1070 001
11 Sept 2025
EXISTING Floor Plans 1070 XX 002
11 Sept 2025
PROPOSED ELEVATIONS & SECTION
11 Sept 2025
Show 10 more documents · 12 remaining Documents open on the Richmond Upon Thames portal. View the application page ↗
Approved on 23 Dec 2025, delegated decision by Emer Costello — 15 weeks from submission (7 over the 8-week target).
Timeline 11 Sep 2025
Application received
20 Nov 2025
Application validated
15 Jan 2026
Statutory target date
23 Dec 2025
Delegated decision: Approved · Emer Costello
11 Sep 2025
Application received
20 Nov 2025
Application validated
15 Jan 2026
Statutory target date
Show all 4 rows 23 Dec 2025
Delegated decision: Approved · Emer Costello
Public response Comment counts were not captured for this application.
Applicant — the party who applied, not necessarily the owner
Agent · consultant profile
Case officer — delegated decision
Applicant — the party who applied, not necessarily the owner
Agent · consultant profile
Case officer — delegated decision
Context around the site — not part of this application. Designations over the site: use the map's designations filter (conservation areas, listed buildings, Article 4, flood risk …). Decisions within 250 metres of the site are listed below — context, not this application.
Other applications within 250 metres (context — nearby, not this application) No other geocoded decision is recorded within 250 metres.