Postcode record · Waltham Forest
E17 8NW.
E17 8NW has 46 known premises and 31 planning records — 22 approved of 30 decided (73.3%). 31 EPC records.
Postcode E17 8NW · boundary not held, centred on the postcodeApprovedRefusedOther31 on the map — every match
At a glance · this postcodeWaltham Forest profile →
46
Premises
known addresses (UPRNs)
31
Applications
30 decided
73.3%
Approval rate
22 approved · 4 refused
54 days
Median decision time
average 57 days · 30 dated decisions
31
EPC records
ratings C 7 · D 16 · E 7 · F 1
31
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 8NW has 46 known premises and 31 planning records — 22 approved of 30 decided (73.3%). 31 EPC records.
Premises (18 of 46 shown)
Name
Details
UPRN 10009150743
UPRN 10009150744
UPRN 10015529157
UPRN 100022528950
UPRN 100022528954
UPRN 100022528958
UPRN 100022528962
UPRN 100022528972
UPRN 100022528976
UPRN 100022528979
UPRN 10009150743
UPRN 10009150744
UPRN 10015529157
Show all 10 rows
UPRN 100022528950
UPRN 100022528954
UPRN 100022528958
UPRN 100022528962
UPRN 100022528972
UPRN 100022528976
UPRN 100022528979
Planning
What happened?
31 planning applications across the postcode; 22 approved of 30 decided (73.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Removal of rear extension and construction of a single-storey wraparound rear extension.
76 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Householder Planning
Approved
2026-02-16
Construction of a single storey rear wrap-around extension.
4 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Householder Planning
Approved
2026-01-23
Prior approval for the construction of a single storey rear extension which would extend 5.47m beyond the rear wall of the existing dwelling, a maximum height of 3.50m and an eaves height of 2.80m.
4 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Prior Approval - Larger Home Extension
Refused
2025-12-08
Construction of single storey wraparound rear extension.
26 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Sarah Creasy
Householder Planning
Approved
2025-03-31
Change of use of first floor 3 bed flat (Use Class C3) into a small house in multiple occupation (HMO) (Use Class C4) for up to 3 residents and provision of two parking bays at front garden area together with refuse and recycling storage facilities and bicycle parking provision.
42 Chelmsford Road · premises record
Officer Kurt Henry1
Full Planning
Assessment
2023-10-18
Lawful Development Certificate (Proposed) -Construction of roof extension above two storey outrigger.
66 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Yiyang He
Certificate of Lawful Development - Proposed
Approved
2023-09-18
Lawful Development Certificate (Proposed) - Construction of a single storey rear extension.
50 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Certificate of Lawful Development - Proposed
Approved
2023-02-13
Lawful Development Certificate (Proposed)-Construction of dormer roof extension to main rear roof and extension above two storey rear outrigger together with installation of two roof-lights to front roof.
50 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Jonathan Murray
Certificate of Lawful Development - Proposed
Approved
2023-02-13
(1) Demolition of existing rear extension and construction of a single storey rear wraparound extension with patio area. (2) Removal of existing front porch and reinstatement of ground floor front bay window (white uPVC) including the installation of a uPVC door. (3) Alterations to first floor front
82 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Kurt Henry1
Householder Planning
Approved
2022-07-14
Prior approval for the construction of a single storey rear extension which would extend 3.34m beyond the rear wall of the existing dwelling, a maximum height of 3.44m and an eaves height of 2.85m.
78 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Prior Approval - Larger Home Extension
Not required
2021-01-25
Removal of rear extension and construction of a single-storey wraparound rear extension.
76 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Approved
2026-02-16
More
Householder Planning
Construction of a single storey rear wrap-around extension.
4 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Approved
2026-01-23
More
Householder Planning
Prior approval for the construction of a single storey rear extension which would extend 5.47m beyond the rear wall of the existing dwelling, a maximum height of 3.50m and an eaves height of 2.80m.
4 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Refused
2025-12-08
More
Prior Approval - Larger Home Extension
Show all 10 rows
Construction of single storey wraparound rear extension.
26 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Sarah Creasy
Approved
2025-03-31
More
Householder Planning
Change of use of first floor 3 bed flat (Use Class C3) into a small house in multiple occupation (HMO) (Use Class C4) for up to 3 residents and provision of two parking bays at front garden area together with refuse and recycling storage facilities and bicycle parking provision.
42 Chelmsford Road · premises record
Officer Kurt Henry1
Assessment
2023-10-18
More
Full Planning
Lawful Development Certificate (Proposed) -Construction of roof extension above two storey outrigger.
66 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Yiyang He
Approved
2023-09-18
More
Certificate of Lawful Development - Proposed
Lawful Development Certificate (Proposed) - Construction of a single storey rear extension.
50 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Approved
2023-02-13
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 outrigger together with installation of two roof-lights to front roof.
50 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Jonathan Murray
Approved
2023-02-13
More
Certificate of Lawful Development - Proposed
(1) Demolition of existing rear extension and construction of a single storey rear wraparound extension with patio area. (2) Removal of existing front porch and reinstatement of ground floor front bay window (white uPVC) including the installation of a uPVC door. (3) Alterations to first floor front
82 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Kurt Henry1
Approved
2022-07-14
More
Householder Planning
Prior approval for the construction of a single storey rear extension which would extend 3.34m beyond the rear wall of the existing dwelling, a maximum height of 3.44m and an eaves height of 2.85m.
78 Chelmsford Road, Walthamstow, London, E17 8NW · premises record
Officer Zarina Ali
Not required
2021-01-25
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 46 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D768 · covers 46 of 46 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D769 · covers 46 of 46 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D770 · covers 46 of 46 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D768 · covers 46 of 46 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D769 · covers 46 of 46 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D770 · covers 46 of 46 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
Case officer on 6 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 6 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent31 applications and 31 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy31 EPC records; ratings C: 7, D: 16, E: 7, 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.
5 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.