Postcode record · Havering
RM12 4JL.
RM12 4JL has 38 known premises and 29 planning records — 18 approved of 20 decided (90%). 20 EPC records.
Postcode RM12 4JL · boundary not held, centred on the postcodeApprovedRefusedOther22 exact22 on the map — every match
At a glance · this postcodeHavering profile →
38
Premises
known addresses (UPRNs)
29
Applications
20 decided
90%
Approval rate
18 approved · 2 refused
20
EPC records
ratings C 2 · D 13 · E 5
22
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?
RM12 4JL has 38 known premises and 29 planning records — 18 approved of 20 decided (90%). 20 EPC records.
Premises (18 of 38 shown)
Name
Details
UPRN 10012928910
UPRN 100021343147
UPRN 100021343148
UPRN 100021343149
UPRN 100021343150
UPRN 100021343151
UPRN 100021343152
UPRN 100021343153
UPRN 100021343154
UPRN 100021343155
UPRN 10012928910
UPRN 100021343147
UPRN 100021343148
Show all 10 rows
UPRN 100021343149
UPRN 100021343150
UPRN 100021343151
UPRN 100021343152
UPRN 100021343153
UPRN 100021343154
UPRN 100021343155
Planning
What happened?
29 planning applications across the postcode; 18 approved of 20 decided (90%). Latest 29 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Part two storey, part single storey side extension, single storey rear extension and steps to rear, following demolition of attached side garage and open lean-to to rear
24 The Avenue Hornchurch RM12 4JL · premises record
Full Planning Permission
Other
2026-03-06
Certificate of Lawfulness for proposed Loft Conversion including Dormer to Rear Roof Slope and Rooflights to Front Roof Slope
9 The Avenue Hornchurch RM12 4JL · premises record
Lawful Development Certificate
Not required
2026-02-27
Loft conversion with rear dormer and roof lights to front.
26 The Avenue Hornchurch RM12 4JL · premises record
Full Planning Permission
Refused
2022-06-08
Certificate of lawfulness for conversion of loft to habitable use including the installation of 1 x rear dormer and 2 x front rooflights.
26 The Avenue Hornchurch RM12 4JL · premises record
Lawful Development Certificate
Not required
2022-02-28
Single storey rear extension
31 The Avenue Hornchurch RM12 4JL · premises record
Full Planning Permission
Other
2021-11-17
Certificate of Lawfulness for conversion of roof space to habitable use to include a rear and side dormers with 4 roof lights, single storey rear/side extension and first floor rear extension.
23 THE AVENUE HORNCHURCH RM12 4JL · premises record
Lawful Development Certificate
Not required
2021-06-22
Certificate of Lawfulness for single storey rear and side extensions, first floor rear extension, rear and side box dormer windows.
23 The Avenue Hornchurch RM12 4JL · premises record
Lawful Development Certificate
Other
2021-04-19
Two single storey side extension's
8 The Avenue Hornchurch RM12 4JL · premises record
Full Planning Permission
Approved
2016-02-12
Discharge of Condition 2 of P0517.15
10a The Avenue Hornchurch RM12 4JL · premises record
Discharge of Conditions
Other
2015-10-26
Discharge of Condition 2 of P0515.15
10 The Avenue Hornchurch RM12 4JL · premises record
Discharge of Conditions
Other
2015-10-26
Part two storey, part single storey side extension, single storey rear extension and steps to rear, following demolition of attached side garage and open lean-to to rear
24 The Avenue Hornchurch RM12 4JL · premises record
Other
2026-03-06
More
Full Planning Permission
Certificate of Lawfulness for proposed Loft Conversion including Dormer to Rear Roof Slope and Rooflights to Front Roof Slope
9 The Avenue Hornchurch RM12 4JL · premises record
Not required
2026-02-27
More
Lawful Development Certificate
Loft conversion with rear dormer and roof lights to front.
26 The Avenue Hornchurch RM12 4JL · premises record
Refused
2022-06-08
More
Full Planning Permission
Show all 10 rows
Certificate of lawfulness for conversion of loft to habitable use including the installation of 1 x rear dormer and 2 x front rooflights.
26 The Avenue Hornchurch RM12 4JL · premises record
Not required
2022-02-28
More
Lawful Development Certificate
Single storey rear extension
31 The Avenue Hornchurch RM12 4JL · premises record
Other
2021-11-17
More
Full Planning Permission
Certificate of Lawfulness for conversion of roof space to habitable use to include a rear and side dormers with 4 roof lights, single storey rear/side extension and first floor rear extension.
23 THE AVENUE HORNCHURCH RM12 4JL · premises record
Not required
2021-06-22
More
Lawful Development Certificate
Certificate of Lawfulness for single storey rear and side extensions, first floor rear extension, rear and side box dormer windows.
23 The Avenue Hornchurch RM12 4JL · premises record
Other
2021-04-19
More
Lawful Development Certificate
Two single storey side extension's
8 The Avenue Hornchurch RM12 4JL · premises record
Approved
2016-02-12
More
Full Planning Permission
Discharge of Condition 2 of P0517.15
10a The Avenue Hornchurch RM12 4JL · premises record
Other
2015-10-26
More
Discharge of Conditions
Discharge of Condition 2 of P0515.15
10 The Avenue Hornchurch RM12 4JL · premises record
Other
2015-10-26
More
Discharge of Conditions
Building control
Building-control records are not yet collected for Havering — 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 38 premises each one covers.
Designation
Coverage
Archaeological Priority Area
Potential prehistoric deposits may be buried beneath gravel deposits. · reference 76358 · covers 38 of 38 premises. Groundworks may require archaeological assessment or investigation.
Archaeological Priority Area
Potential prehistoric deposits may be buried beneath gravel deposits. · reference 76358 · covers 38 of 38 premises. Groundworks may require archaeological assessment or investigation.
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 29 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 4 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent29 applications and 22 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 2, D: 13, E: 5.
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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
3 intent signals recorded in this postcode
Portfolio seller · Long hold
Subscribe to see the signals →Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.