Planning application · Lambeth
25/00828/FUL.
37 Thurlow Park Road London SE21 8JP
Full / Other Planning at 37 Thurlow Park Road London SE21 8JP, received 13 Mar 2025 — refused on 29 May 2025 (delegated, Ruth Brown).
ApprovedRefusedOther
At a glance · this applicationLambeth profile →
Refused
Outcome
29 May 2025
11 wks
Decision time
3 wks over the 8-week target
—
Conditions
not captured
12
Documents
12 linked
0
Objections
0 in support
No
Appeal
none recorded
Record from the Lambeth planning register as captured; documents link to the council's own files. Nearby applications are context, not part of this application.
Application
What is it?
Erection of a rear mansard roof extension with roof terrace and the installation of three front roof lights to Flat C.
Reference
25/00828/FUL
Type
Full Planning Permission
Applicant
Agent / consultant
Case officer
Postcode
Ward
Council
Received
13 Mar 2025
Validated
7 Apr 2025
Target date
2 Jun 2025
Decision date
29 May 2025
Decision route
Delegated (officer)
Status
Decided
Premises record
Council register
Reference
25/00828/FUL
Type
Full Planning Permission
Show all 17 rows
Applicant
Agent / consultant
Case officer
Postcode
Ward
Council
Received
13 Mar 2025
Validated
7 Apr 2025
Target date
2 Jun 2025
Decision date
29 May 2025
Decision route
Delegated (officer)
Status
Decided
Premises record
Council register
Documents
What was filed?
Document
Published
View
Documents open on the Lambeth portal (the portal needs its documents tab opened first — the link handles that). View the application page ↗
Decision
What happened?
Refused on 29 May 2025, delegated decision by Ruth Brown — 11 weeks from submission (3 over the 8-week target).
Timeline
Date
Event
13 Mar 2025
Application received
7 Apr 2025
Application validated
2 Jun 2025
Statutory target date
29 May 2025
Delegated decision: Refused · Ruth Brown
13 Mar 2025
Application received
7 Apr 2025
Application validated
2 Jun 2025
Statutory target date
Show all 4 rows
29 May 2025
Delegated decision: Refused · Ruth Brown
Why it was refused
Reason
As stated on the decision notice
1
The proposed rear mansard extension by reason of its design, and proportions, is considered to represent
an incongruous addition and form of development that is not subordinate to the host building. The proposed roof
terrace would unacceptably alter the uniform appearance of the small group of semi-detached buildings, failing to
respond positively to the original architecture, roof form and group characteristics of the property. The proposal is
considered to be detrimental to the visual amenities of the surrounding area, and harmful to the appearance of the
Lambeth Planning Telephone 020 7926 1180
PO Box 80771 www.lambeth.gov.uk
London planning@lambeth.gov.uk
SW2 9QQ
REFULZ
host building contrary to policies Q5 and Q11 of the Lambeth Local Plan 2021 and the Council's Lambeth Design
Guide (2023).
1
The proposed rear mansard extension by reason of its design, and proportions, is considered to represent
an incongruous addition and form of development that is not subordinate to the host building. The proposed roof
terrace would unacceptably alter the uniform appearance of the small group of semi-detached buildings, failing to
respond positively to the original architecture, roof form and group characteristics of the property. The proposal is
considered to be detrimental to the visual amenities of the surrounding area, and harmful to the appearance of the
Lambeth Planning Telephone 020 7926 1180
PO Box 80771 www.lambeth.gov.uk
London planning@lambeth.gov.uk
SW2 9QQ
REFULZ
host building contrary to policies Q5 and Q11 of the Lambeth Local Plan 2021 and the Council's Lambeth Design
Guide (2023).
Policies cited
Q5Q11
Public response
Measure
Count
Objections
0
In support
0
Total comments
0
Objections
0
In support
0
Total comments
0
People
Who is involved?
Name
Role
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
Place
What affects it?
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.