Postcode record · Havering
RM12 5ES.
RM12 5ES has 50 known premises and 42 planning records — 17 approved of 30 decided (56.7%). 28 EPC records.
Postcode RM12 5ES · boundary not held, centred on the postcodeApprovedRefusedOther42 exact42 on the map — every match
At a glance · this postcodeHavering profile →
50
Premises
known addresses (UPRNs)
42
Applications
30 decided
56.7%
Approval rate
17 approved · 13 refused
28
EPC records
ratings C 5 · D 12 · E 9 · F 2
42
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 5ES has 50 known premises and 42 planning records — 17 approved of 30 decided (56.7%). 28 EPC records.
Premises (18 of 50 shown)
Name
Details
UPRN 100021322215
UPRN 100021322216
UPRN 100021322217
UPRN 100021322218
UPRN 100021322219
UPRN 100021322220
UPRN 100021322221
UPRN 100021322222
UPRN 100021322223
UPRN 100021322224
UPRN 100021322215
UPRN 100021322216
UPRN 100021322217
Show all 10 rows
UPRN 100021322218
UPRN 100021322219
UPRN 100021322220
UPRN 100021322221
UPRN 100021322222
UPRN 100021322223
UPRN 100021322224
Planning
What happened?
42 planning applications across the postcode; 17 approved of 30 decided (56.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Part single, part two storey side and rear extension and single storey front extension, new dropped kerb crossover
20 Ambleside Avenue Hornchurch RM12 5ES · premises record
Full Planning Permission
Other
2026-05-15
Part single, part two storey rear extension, front porch, loft conversion with rear dormer and front roof lights and the erection of 2no. rear outbuildings.
39 Ambleside Avenue Hornchurch RM12 5ES · premises record
Full Planning Permission
Other
2025-09-26
Certificate of Lawfulness for a loft conversion with conversion of roof from hip to gable end, rear dormer, roof lights to front and the erection of 2 x outbuildings incidental to the main dwelling
39 Ambleside Avenue Hornchurch RM12 5ES · premises record
Lawful Development Certificate
Not required
2025-07-21
Single storey rear extension with an overall depth of 5.20m, a maximum height of 3m, and an eaves height of 3m. (PRIOR APPROVAL)
39 Ambleside Avenue Hornchurch RM12 5ES · premises record
Householder
Other
2025-07-21
Part double-storey side extension
5 Ambleside Avenue Hornchurch RM12 5ES · premises record
Full Planning Permission
Other
2023-11-20
Certificate of Lawfulness for a hip to gable roof alteration, rear dormer window, roof lights, flank windows & removal of hip roof over the existing first floor rear extension
42 Ambleside Avenue Hornchurch RM12 5ES · premises record
Lawful Development Certificate
Not required
2023-09-05
Porch to front and first floor front extension
42 Ambleside Avenue Hornchurch RM12 5ES · premises record
Full Planning Permission
Other
2023-04-04
First floor front extension and internal reconfiguration.
42 Ambleside Avenue Hornchurch RM12 5ES · premises record
Full Planning Permission
Refused
2022-09-26
Single storey rear extension with an overall depth of 4m, a maximum height of 4m, and an eaves height of 3m. (PRIOR APPROVAL)
5 Ambleside Avenue Hornchurch RM12 5ES · premises record
Householder
Other
2022-08-15
Single storey rear extension with an overall depth of 6m, a maximum height of 4m, and an eaves height of 3m. (PRIOR APPROVAL)
5 Ambleside Avenue Hornchurch RM12 5ES · premises record
Householder
Refused
2022-06-24
Part single, part two storey side and rear extension and single storey front extension, new dropped kerb crossover
20 Ambleside Avenue Hornchurch RM12 5ES · premises record
Other
2026-05-15
More
Full Planning Permission
Part single, part two storey rear extension, front porch, loft conversion with rear dormer and front roof lights and the erection of 2no. rear outbuildings.
39 Ambleside Avenue Hornchurch RM12 5ES · premises record
Other
2025-09-26
More
Full Planning Permission
Certificate of Lawfulness for a loft conversion with conversion of roof from hip to gable end, rear dormer, roof lights to front and the erection of 2 x outbuildings incidental to the main dwelling
39 Ambleside Avenue Hornchurch RM12 5ES · premises record
Not required
2025-07-21
More
Lawful Development Certificate
Show all 10 rows
Single storey rear extension with an overall depth of 5.20m, a maximum height of 3m, and an eaves height of 3m. (PRIOR APPROVAL)
39 Ambleside Avenue Hornchurch RM12 5ES · premises record
Other
2025-07-21
More
Householder
Part double-storey side extension
5 Ambleside Avenue Hornchurch RM12 5ES · premises record
Other
2023-11-20
More
Full Planning Permission
Certificate of Lawfulness for a hip to gable roof alteration, rear dormer window, roof lights, flank windows & removal of hip roof over the existing first floor rear extension
42 Ambleside Avenue Hornchurch RM12 5ES · premises record
Not required
2023-09-05
More
Lawful Development Certificate
Porch to front and first floor front extension
42 Ambleside Avenue Hornchurch RM12 5ES · premises record
Other
2023-04-04
More
Full Planning Permission
First floor front extension and internal reconfiguration.
42 Ambleside Avenue Hornchurch RM12 5ES · premises record
Refused
2022-09-26
More
Full Planning Permission
Single storey rear extension with an overall depth of 4m, a maximum height of 4m, and an eaves height of 3m. (PRIOR APPROVAL)
5 Ambleside Avenue Hornchurch RM12 5ES · premises record
Other
2022-08-15
More
Householder
Single storey rear extension with an overall depth of 6m, a maximum height of 4m, and an eaves height of 3m. (PRIOR APPROVAL)
5 Ambleside Avenue Hornchurch RM12 5ES · premises record
Refused
2022-06-24
More
Householder
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 50 premises each one covers.
Designation
Coverage
Archaeological Priority Area
Potential prehistoric deposits may be buried beneath gravel deposits. · reference 76971 · covers 50 of 50 premises. Groundworks may require archaeological assessment or investigation.
Archaeological Priority Area
Potential prehistoric deposits may be buried beneath gravel deposits. · reference 76971 · covers 50 of 50 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 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Applicant on 4 applications
Applicant on 3 applications
Applicant on 3 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Development
What could it become?
Planning precedent42 applications and 42 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy28 EPC records; ratings C: 5, D: 12, E: 9, F: 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
9 intent signals recorded in this postcode
Portfolio seller · EPC F/G · Long hold
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.