Planning Atlas
Planning AtlasLewishamForest Hill wardDC/26/143242
Planning application · Lewisham

DC/26/143242.

THE HORNIMAN MUSEUM & GARDENS, 100 LONDON ROAD, LONDON, SE23 3PQ

Full / Other Planning at THE HORNIMAN MUSEUM & GARDENS, 100 LONDON ROAD, LONDON, SE23 3PQ, received 6 Mar 2026 — approved on 11 May 2026 (delegated, Amanda Ghani).

LewishamForest HillSE23 3PQDC/26/143242
ApprovedRefusedOther
At a glance · this applicationLewisham profile →
Approved
Outcome
11 May 2026
9 wks
Decision time
1 wks over the 8-week target
Conditions
not captured
25
Documents
25 linked
0
Objections
0 in support
No
Appeal
none recorded
Record from the Lewisham 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?

Replacement of the existing gas cabinet air heater with air-to-air source heat pump (ASHPs) and air handling unit, located on the west side of the building, together with the replacement of acrylic triple layer polycarbonate, installation of new greenhouse thermal screens, new extract fan in the north elevation, together with draught proofing works and the electrical cables in the Butterfly House at Horniman Museum, 100 London Road SE23.

Reference
DC/26/143242
Type
Full Planning Permission
Agent / consultant
Case officer
Postcode
SE23 3PQ
Council
Received
6 Mar 2026
Validated
9 Mar 2026
Target date
4 May 2026
Decision date
11 May 2026
Decision route
Delegated (officer)
Status
Decided
Reference
DC/26/143242
Type
Full Planning Permission
Show all 16 rows
Agent / consultant
Case officer
Postcode
SE23 3PQ
Council
Received
6 Mar 2026
Validated
9 Mar 2026
Target date
4 May 2026
Decision date
11 May 2026
Decision route
Delegated (officer)
Status
Decided
Documents

What was filed?

Document
Published
View
Delegated report
11 May 2026
Decision notice
11 May 2026
Hnm-50-a-161 rev.b
8 May 2026
Hnm-50-a-101 rev b
8 May 2026
Hnm-100-a-102 rev.a
8 May 2026
London borough of southwark
2 Apr 2026
Heritage statement
9 Mar 2026
Plant noise impact assessment
9 Mar 2026
Renewable solution -heating
9 Mar 2026
Design and access statement
9 Mar 2026
Delegated report
11 May 2026
Decision notice
11 May 2026
Hnm-50-a-161 rev.b
8 May 2026
Show all 10 rows
Hnm-50-a-101 rev b
8 May 2026
Hnm-100-a-102 rev.a
8 May 2026
London borough of southwark
2 Apr 2026
Heritage statement
9 Mar 2026
Plant noise impact assessment
9 Mar 2026
Renewable solution -heating
9 Mar 2026
Design and access statement
9 Mar 2026

Documents open on the Lewisham portal (the portal needs its documents tab opened first — the link handles that). View the application page ↗

Decision

What happened?

Approved on 11 May 2026, delegated decision by Amanda Ghani — 9 weeks from submission (1 over the 8-week target).

Timeline

Date
Event
6 Mar 2026
Application received
9 Mar 2026
Application validated
4 May 2026
Statutory target date
11 May 2026
Delegated decision: Approved · Amanda Ghani
6 Mar 2026
Application received
9 Mar 2026
Application validated
4 May 2026
Statutory target date
Show all 4 rows
11 May 2026
Delegated decision: Approved · Amanda Ghani

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.