Planning Atlas
AtlasPostcodeSE233XN
Dev
Session
Tier
Planning AtlasLewishamForest Hill wardSE23 3XN
Postcode record · Lewisham

SE23 3XN.

SE23 3XN has 14 known premises and 1 planning record — 1 approved of 1 decided (100%). 8 EPC records.

LewishamForest HillSE23 3XN
Postcode SE23 3XN · boundary not held, centred on the postcodeApprovedRefusedOther1 on the map — every match
At a glance · this postcodeLewisham profile →
14
Premises
known addresses (UPRNs)
1
Applications
1 decided
100%
Approval rate
1 approved · 0 refused
8
EPC records
ratings C 3 · D 3 · E 2
1
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?

SE23 3XN has 14 known premises and 1 planning record — 1 approved of 1 decided (100%). 8 EPC records.

Premises

Planning

What happened?

1 planning application across the postcode; 1 approved of 1 decided (100%). Latest 1 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
The partial conversion of the garage to habitable accommodation at 1 Tarleton Gardens, SE23, together with the installation of replacement front door and garage door, the creation of a new window opening in the side elevation, the installation of replacement windows and the construction of a raised terrace to the rear of the property.
1 TARLETON GARDENS, LONDON, SE23 3XN · premises record
Householder Application
Approved
2021-07-30
The partial conversion of the garage to habitable accommodation at 1 Tarleton Gardens, SE23, together with the installation of replacement front door and garage door, the creation of a new window opening in the side elevation, the installation of replacement windows and the construction of a raised terrace to the rear of the property.
1 TARLETON GARDENS, LONDON, SE23 3XN · premises record
Approved
2021-07-30
More
Householder Application

Building control

Building-control records are not yet collected for Lewisham — 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 14 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Small HMO Northern Extension · reference SHMOEXTA4 · covers 14 of 14 premises. Some normally permitted changes may require planning permission.
Conservation Area
Forest Hill · reference LEWCA13 · covers 1 of 14 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Small HMO Northern Extension · reference SHMOEXTA4 · covers 14 of 14 premises. Some normally permitted changes may require planning permission.
Conservation Area
Forest Hill · reference LEWCA13 · covers 1 of 14 premises. Demolition, alterations, trees and design are subject to additional heritage controls.

Nearby postcodes and streets

Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).

People

Who is involved?

Named on the latest 1 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent1 applications and 1 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 3, D: 3, E: 2.
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

Planning Atlas Pro

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

1 intent signal recorded in this postcode
Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
SE23 3XN, Lewisham: planning and property history | Planning Atlas