Planning Atlas
AtlasPostcodeW1U6LG
Planning Atlas›Westminster›…Marylebone ward›W1U 6LG
Postcode record · Westminster

W1U 6LG.

W1U 6LG has 28 known premises and 1 planning record. 19 EPC records.

Postcode W1U 6LG · boundary not held, centred on the postcodeApprovedRefusedOther1 exact19 approximate20 on the map — every match
At a glance · this postcodeWestminster profile →
28
Premises
known addresses (UPRNs)
1
Applications
none decided
None
Decisions on record
applications here have no recorded outcomes yet
19
EPC records
ratings C 12 · D 5 · E 2
20
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?

W1U 6LG has 28 known premises and 1 planning record. 19 EPC records.

Premises (18 of 28 shown)

Name
Details
UPRN 10033538341
UPRN 10033538342
UPRN 10033538343
UPRN 10033538344
UPRN 10033538345
UPRN 10033538347
UPRN 10033538348
UPRN 10033538349
UPRN 10033538350
UPRN 10033538351
UPRN 10033538341
UPRN 10033538342
UPRN 10033538343
Show all 10 rows
UPRN 10033538344
UPRN 10033538345
UPRN 10033538347
UPRN 10033538348
UPRN 10033538349
UPRN 10033538350
UPRN 10033538351
Planning

What happened?

1 planning application across the postcode. Latest 1 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Alterations to existing doorway and creation of concrete step to Flat 105.
Basement Flat 105 2 - 4 Montagu Mansions London W1U 6LG · premises record
Full
Unknown
—
Alterations to existing doorway and creation of concrete step to Flat 105.
Basement Flat 105 2 - 4 Montagu Mansions London W1U 6LG · premises record
Unknown
—
More
Full

Building control

Building-control records are not yet collected for Westminster — 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 28 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 28 of 28 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 28 of 28 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Portman Estate · reference CONARA/1160 · covers 28 of 28 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 28 of 28 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 28 of 28 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Portman Estate · reference CONARA/1160 · covers 28 of 28 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
People

Who is involved?

Applicants, agents and officers are attached per application; the current area build carries references only — the borough entity run adds the names here.

Development

What could it become?

Planning precedent1 applications and 20 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 12, D: 5, 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.

5 intent signals recorded in this postcode
Long hold · Company dissolving
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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.