Postcode record · Waltham Forest
E17 8NN.
E17 8NN has 47 known premises and 32 planning records — 22 approved of 30 decided (73.3%). 23 EPC records.
Postcode E17 8NN · boundary not held, centred on the postcodeApprovedRefusedOther32 on the map — every match
At a glance · this postcodeWaltham Forest profile →
47
Premises
known addresses (UPRNs)
32
Applications
30 decided
73.3%
Approval rate
22 approved · 5 refused
56 days
Median decision time
average 217 days · 31 dated decisions
23
EPC records
ratings C 6 · D 14 · E 2 · G 1
32
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 8NN has 47 known premises and 32 planning records — 22 approved of 30 decided (73.3%). 23 EPC records.
Premises (18 of 47 shown)
Name
Details
UPRN 10091187839
UPRN 10091187840
UPRN 10093559406
UPRN 10093559407
UPRN 100022528945
UPRN 100022528952
UPRN 100022528956
UPRN 100022528960
UPRN 100022528964
UPRN 100022528967
UPRN 10091187839
UPRN 10091187840
UPRN 10093559406
Show all 10 rows
UPRN 10093559407
UPRN 100022528945
UPRN 100022528952
UPRN 100022528956
UPRN 100022528960
UPRN 100022528964
UPRN 100022528967
Planning
What happened?
32 planning applications across the postcode; 22 approved of 30 decided (73.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Construction of a single storey wraparound rear extension.
79 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Zarina Ali
Householder Planning
Assessment
2026-04-02
Construction of a single storey outbuilding at rear garden area.
45 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Zarina Ali
Householder Planning
Approved
2026-03-30
Construction of a single storey outbuilding at rear garden area.
45 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Zarina Ali
Householder Planning
Refused
2025-08-21
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof (with French doors and safety railings), extension above two storey rear projection together with installation of three roof-lights to front roof.
21 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Jonathan Murray
Certificate of Lawful Development - Proposed
Approved
2021-11-22
Construction of single storey rear infill extension.
57 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Jonathan Murray
Householder Planning
Approved
2021-08-12
Lawful Development Certificate Proposed - Construction of dormer roof extension to main rear roof and extension above two storey outrigger, together with installation of two roof lights to front roof and construction of single storey rear infill extension.
57 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Jonathan Murray
Certificate of Lawful Development - Proposed
Approved
2021-07-19
Subdivision of land to create a two storey dwellinghouse (Use Class C3) and all associated works including boundary treatment, cycle and refuse storage facilities.
83 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Kim Aukett
Full Planning
Approved
2021-06-04
Demolition of the existing rear conservatory and construction of single storey side and rear extension.
69 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Chloe To
Householder Planning
Approved
2021-04-01
Prior approval for the construction of a single storey rear extension which would extend 3.40m beyond the rear wall of the existing dwelling, a maximum height of 3.25m and an eaves height of 2.20m.
55 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Chloe To
Prior Approval - Larger Home Extension
Approved
2020-12-21
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 rooflights to front roof slope.
69 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Reina England
Certificate of Lawful Development - Proposed
Approved
2020-12-16
Construction of a single storey wraparound rear extension.
79 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Zarina Ali
Assessment
2026-04-02
More
Householder Planning
Construction of a single storey outbuilding at rear garden area.
45 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Zarina Ali
Approved
2026-03-30
More
Householder Planning
Construction of a single storey outbuilding at rear garden area.
45 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Zarina Ali
Refused
2025-08-21
More
Householder Planning
Show all 10 rows
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof (with French doors and safety railings), extension above two storey rear projection together with installation of three roof-lights to front roof.
21 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Jonathan Murray
Approved
2021-11-22
More
Certificate of Lawful Development - Proposed
Construction of single storey rear infill extension.
57 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Jonathan Murray
Approved
2021-08-12
More
Householder Planning
Lawful Development Certificate Proposed - Construction of dormer roof extension to main rear roof and extension above two storey outrigger, together with installation of two roof lights to front roof and construction of single storey rear infill extension.
57 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Jonathan Murray
Approved
2021-07-19
More
Certificate of Lawful Development - Proposed
Subdivision of land to create a two storey dwellinghouse (Use Class C3) and all associated works including boundary treatment, cycle and refuse storage facilities.
83 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Kim Aukett
Approved
2021-06-04
More
Full Planning
Demolition of the existing rear conservatory and construction of single storey side and rear extension.
69 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Chloe To
Approved
2021-04-01
More
Householder Planning
Prior approval for the construction of a single storey rear extension which would extend 3.40m beyond the rear wall of the existing dwelling, a maximum height of 3.25m and an eaves height of 2.20m.
55 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Chloe To
Approved
2020-12-21
More
Prior Approval - Larger Home Extension
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 rooflights to front roof slope.
69 Chelmsford Road, Walthamstow, London, E17 8NN · premises record
Officer Reina England
Approved
2020-12-16
More
Certificate of Lawful Development - Proposed
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 47 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D768 · covers 47 of 47 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D769 · covers 47 of 47 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D770 · covers 47 of 47 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D768 · covers 47 of 47 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D769 · covers 47 of 47 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Other Article 4 Direction Area · reference A4D770 · covers 47 of 47 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 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 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 3 applications
Case officer on 3 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 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
Development
What could it become?
Planning precedent32 applications and 32 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings C: 6, D: 14, E: 2, G: 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.