Postcode record · Waltham Forest
E17 8BZ.
E17 8BZ has 37 known premises and 34 planning records — 22 approved of 33 decided (66.7%). 24 EPC records.
Postcode E17 8BZ · boundary not held, centred on the postcodeApprovedRefusedOther34 exact34 on the map — every match
At a glance · this postcodeWaltham Forest profile →
37
Premises
known addresses (UPRNs)
34
Applications
33 decided
66.7%
Approval rate
22 approved · 5 refused
24
EPC records
ratings C 6 · D 15 · E 2 · F 1
34
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?
E17 8BZ has 37 known premises and 34 planning records — 22 approved of 33 decided (66.7%). 24 EPC records.
Premises (18 of 37 shown)
Name
Details
UPRN 10025170084
UPRN 100022537456
UPRN 100022537457
UPRN 100022537458
UPRN 100022537460
UPRN 100022537461
UPRN 100022537462
UPRN 100022537463
UPRN 100022537466
UPRN 100022537468
UPRN 10025170084
UPRN 100022537456
UPRN 100022537457
Show all 10 rows
UPRN 100022537458
UPRN 100022537460
UPRN 100022537461
UPRN 100022537462
UPRN 100022537463
UPRN 100022537466
UPRN 100022537468
Planning
What happened?
34 planning applications across the postcode; 22 approved of 33 decided (66.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Lawful Development Certificate (Existing) - Use of property as a small house in multiple occupation (HMO) (Use Class C4).
8 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Certificate of Lawful Development - Existing
Recommendation
2026-03-26
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to rear and extension above two storey rear outrigger, together with installation of roof-lights to front.
40 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Certificate of Lawful Development - Proposed
Approved
2025-10-16
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to rear, roof extension above two storey outrigger and installation of two roof lights to front.
40 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Certificate of Lawful Development - Proposed
Refused
2025-08-14
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger, with installation of two roof lights to front roof slope.
40 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Certificate of Lawful Development - Proposed
Refused
2025-06-20
Construction of first floor rear extension, installation of roof light and replacement of windows and doors at front and rear elevations. Rear cladding of the existing ground floor and loft extension, installation of one roof light to front roof slope and installation of decking to rear garden with
56 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Householder Planning
Approved
2024-09-23
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger, together with installation of two roof lights to front roof slope.
36 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Certificate of Lawful Development - Proposed
Approved
2023-07-25
Lawful Development Certificate (Proposed)-Construction of dormer roof extension to main rear roof and extension above two storey rear projection together with replacement of existing roof- light to front roof with installation of two roof-lights to front roof.
38 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Applicant Miss Sharon Duffy · Officer Zarina Ali
Certificate of Lawful Development - Proposed
Approved
2020-05-28
Variation of condition 2 (Approved Plans) attached to planning permission reference 174583 granted 16/02/18 to allow for amendments to the ground floor rear fenestration and the roof of the single storey rear extension (retrospective)(amended description).
58 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
S73 - Removal/Variation of Condition(s)
Approved
2020-01-16
Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger together with installation of one roof light to front roof.
38 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Applicant Miss Sharon Duffy · Officer Reina England
Householder Planning
Withdrawn
2020-01-13
Prior approval for the construction of a single storey rear extension which would extend 5m beyond the rear wall of the existing dwelling, amaximum height of 4m and an eaves height of 3m.
4 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Prior Approval - Larger Home Extension
Approved
2018-10-08
Lawful Development Certificate (Existing) - Use of property as a small house in multiple occupation (HMO) (Use Class C4).
8 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Recommendation
2026-03-26
More
Certificate of Lawful Development - Existing
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to rear and extension above two storey rear outrigger, together with installation of roof-lights to front.
40 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Approved
2025-10-16
More
Certificate of Lawful Development - Proposed
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to rear, roof extension above two storey outrigger and installation of two roof lights to front.
40 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Refused
2025-08-14
More
Certificate of Lawful Development - Proposed
Show all 10 rows
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger, with installation of two roof lights to front roof slope.
40 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Refused
2025-06-20
More
Certificate of Lawful Development - Proposed
Construction of first floor rear extension, installation of roof light and replacement of windows and doors at front and rear elevations. Rear cladding of the existing ground floor and loft extension, installation of one roof light to front roof slope and installation of decking to rear garden with
56 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Approved
2024-09-23
More
Householder Planning
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger, together with installation of two roof lights to front roof slope.
36 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Approved
2023-07-25
More
Certificate of Lawful Development - Proposed
Lawful Development Certificate (Proposed)-Construction of dormer roof extension to main rear roof and extension above two storey rear projection together with replacement of existing roof- light to front roof with installation of two roof-lights to front roof.
38 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Applicant Miss Sharon Duffy · Officer Zarina Ali
Approved
2020-05-28
More
Certificate of Lawful Development - Proposed
Variation of condition 2 (Approved Plans) attached to planning permission reference 174583 granted 16/02/18 to allow for amendments to the ground floor rear fenestration and the roof of the single storey rear extension (retrospective)(amended description).
58 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Approved
2020-01-16
More
S73 - Removal/Variation of Condition(s)
Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger together with installation of one roof light to front roof.
38 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Applicant Miss Sharon Duffy · Officer Reina England
Withdrawn
2020-01-13
More
Householder Planning
Prior approval for the construction of a single storey rear extension which would extend 5m beyond the rear wall of the existing dwelling, amaximum height of 4m and an eaves height of 3m.
4 Downsfield Road, Walthamstow, London, E17 8BZ · premises record
Approved
2018-10-08
More
Prior Approval - Larger Home Extension
Building control
Building-control records are not yet collected for Waltham Forest — 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 37 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D768 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D769 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D770 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D768 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D769 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D770 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
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 3 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
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Applicant on 3 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
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Development
What could it become?
Planning precedent34 applications and 34 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy24 EPC records; ratings C: 6, D: 15, E: 2, F: 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
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.
4 intent signals recorded in this postcode
Insolvency · EPC F/G · 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.