Postcode record · Harrow
HA7 3BX.
HA7 3BX has 11 known premises and 54 planning records — 31 approved of 44 decided (70.5%). 8 EPC records.
Postcode HA7 3BX · boundary not held, centred on the postcodeApprovedRefusedOther54 exact54 on the map — every match
At a glance · this postcodeHarrow profile →
11
Premises
known addresses (UPRNs)
54
Applications
44 decided
70.5%
Approval rate
31 approved · 13 refused
8
EPC records
ratings B 1 · C 1 · D 5 · E 1
54
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?
HA7 3BX has 11 known premises and 54 planning records — 31 approved of 44 decided (70.5%). 8 EPC records.
Premises
Name
Details
UPRN 200000306323
UPRN 200000306324
UPRN 200000306325
UPRN 200000306347
UPRN 200000306348
UPRN 200000306349
UPRN 200000306350
UPRN 200000306351
UPRN 200000306353
UPRN 200000313994
UPRN 200000306323
UPRN 200000306324
UPRN 200000306325
Show all 10 rows
UPRN 200000306347
UPRN 200000306348
UPRN 200000306349
UPRN 200000306350
UPRN 200000306351
UPRN 200000306353
UPRN 200000313994
Planning
What happened?
54 planning applications across the postcode; 31 approved of 44 decided (70.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Certificate of Lawful Development (Proposed): Boundary treatment to front with gates
2 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Certificate of Lawful Development Proposed
Approved
2025-10-23
TPO No. 2 Dower House, Stanmore Hill T1 Oak (rear garden): Reduce crown overall by up to 2m. To reduce weight on limbs and reduce risk of further limb failure. T2 poplar (dead): Tree reduced to high stump but now has significant decay and requires complete removal. Replanting is proposed within next
2 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Works to Protected Trees
Approved
2025-07-10
Prior approval telecommunications notification: Installation of 20m high monopole; 3 X equipment cabinets; ancillary works
1 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Prior Telecommunications Notice
Refused
2020-06-30
Single storey outbuilding in rear garden; hard and soft landscaping; timber descking in rear garden; installation of brindge in rear garden (part retrospective)
4 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Householder
Refused
2019-09-19
Details persuant to condition 11 (landscaping) attached to planning permission P/3436/19 dated 11/10/2016
4 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Prior Approval (Miscellaneous Acts)
Approved
2019-03-05
Certificate of lawful development (proposed): Installation of 2m high gates to front entrance
4 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Certificate of Lawful Development Existing
Approved
2019-02-27
Single storey rear extension; conversion of garage to room with installation of window to front; alterations and extension to raise roof height of garage; alteration to form crown roof oversingle storey side element; re-location of main entrance with canopy; patio a rear; external alterations (demol
10 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Full Planning Application
Approved
2019-01-22
Single storey rear extension; conversion of garage to room with installation of window to front; alterations and extension to raise roof height of garage; re-location of main entrance with canopy; patio a rear; external alterations (demolition of front porch and conservatory)
10 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Householder
Approved
2018-09-18
Non material amendment to planning permission P/4129/17 dated 22/11/2017 to allow changes to fenestration and rear extension roofs; alterations to front porch
10 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Non-Material Amendment
Refused
2018-08-02
Single storey side extension to lower ground floor level; conversion of garage to room with installation of window to front; external alterations
6 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Householder
Approved
2018-04-19
Certificate of Lawful Development (Proposed): Boundary treatment to front with gates
2 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Approved
2025-10-23
More
Certificate of Lawful Development Proposed
TPO No. 2 Dower House, Stanmore Hill T1 Oak (rear garden): Reduce crown overall by up to 2m. To reduce weight on limbs and reduce risk of further limb failure. T2 poplar (dead): Tree reduced to high stump but now has significant decay and requires complete removal. Replanting is proposed within next
2 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Approved
2025-07-10
More
Works to Protected Trees
Prior approval telecommunications notification: Installation of 20m high monopole; 3 X equipment cabinets; ancillary works
1 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Refused
2020-06-30
More
Prior Telecommunications Notice
Show all 10 rows
Single storey outbuilding in rear garden; hard and soft landscaping; timber descking in rear garden; installation of brindge in rear garden (part retrospective)
4 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Refused
2019-09-19
More
Householder
Details persuant to condition 11 (landscaping) attached to planning permission P/3436/19 dated 11/10/2016
4 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Approved
2019-03-05
More
Prior Approval (Miscellaneous Acts)
Certificate of lawful development (proposed): Installation of 2m high gates to front entrance
4 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Approved
2019-02-27
More
Certificate of Lawful Development Existing
Single storey rear extension; conversion of garage to room with installation of window to front; alterations and extension to raise roof height of garage; alteration to form crown roof oversingle storey side element; re-location of main entrance with canopy; patio a rear; external alterations (demol
10 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Approved
2019-01-22
More
Full Planning Application
Single storey rear extension; conversion of garage to room with installation of window to front; alterations and extension to raise roof height of garage; re-location of main entrance with canopy; patio a rear; external alterations (demolition of front porch and conservatory)
10 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Approved
2018-09-18
More
Householder
Non material amendment to planning permission P/4129/17 dated 22/11/2017 to allow changes to fenestration and rear extension roofs; alterations to front porch
10 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Refused
2018-08-02
More
Non-Material Amendment
Single storey side extension to lower ground floor level; conversion of garage to room with installation of window to front; external alterations
6 Spring Lake, Stanmore, Harrow, HA7 3BX · premises record
Approved
2018-04-19
More
Householder
Building control
Building-control records are not yet collected for Harrow — 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 11 premises each one covers.
Designation
Coverage
Conservation Area
Stanmore Hill Conservation Area · reference COA00000170 · covers 1 of 11 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Stanmore Hill Conservation Area · reference COA00000170 · covers 1 of 11 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).
Stanmore Hill0 mGreen Lane3 mOld Forge Close7 mSpring Lake8 mUrban Footpath 66 From Green Lane Left Of 4 Pinnacle Place To Right Of 107 Stanmore Hill12 mHall Farm Close41 mPine Close43 mByway 10 From Side Of 101 Green Lane To End Of Footpath 955 m
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 5 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 3 applications
Agent on 3 applications
Applicant on 5 applications
Applicant on 3 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 3 applications
Agent on 3 applications
Development
What could it become?
Planning precedent54 applications and 54 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings B: 1, C: 1, D: 5, E: 1.
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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
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.