2016
145 High Street Walthamstow London E17 7BX
Formation of rooms in the roofs involving the formation of dormer windows to the main roo…
146A High Street, Walthamstow, London, E17 7JS Data via plota.co.uk
262482 - Certificate of Lawful Development - Existing
Consultation/Publicity
Proposal
Lawful development certificate (Existing) - retention of the property as a small House in Multiple Occupation (HMO) (Use Class C4). Data via plota.co.uk
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View original council record ↗Last checked
Application progress
✓
Received
30 Oct 2026
Decision
Expected by 25 Dec 2026
Under consideration
No decision has been issued yet. A decision is expected by 25 Dec 2026.
Documents 5
Statements & assessments 1
Plans & drawings 1
Application forms 1
Site constraints 6
3 Article 4 directions
Other Article 4 Direction Area · Walthamstow Major Centre related A4D · Walthamstow Major Centre. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Archaeological priority area
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Waltham Forest AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Town centre: Walthamstow
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
Also on the record
Inside the Waltham Forest built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Building
Floor area90 m² (969 sq ft)
Energy ratingD (61 out of 100), could reach C
PropertyMid-terrace maisonette, 6 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)
From the energy performance certificate lodged in February 2021, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Other new applications on this street
23 Jul 2026Refused
150A High Street, Walthamstow, London, E17 7JS
Lawful Development Certificate (Existing) - continued use of the whole property ...
19 Jun 2026Pending
182 High Street, Walthamstow, London, E17 7JS
Installation of a new replacement shopfront, 2 new ATM machines, formation of 2 ...
21 Oct 2026Pending
143 High Street, Walthamstow, London, E17 7DB
Retention of change of use from retail (Use Class E(a)) to a small hot food take...
28 Jul 2026Withdrawn
72 - 74 High Street, Walthamstow, London, E17 7LD
Submission of details pursuant to condition 8 (cycle parking) and condition 9 (c...
Nearby new applications
3 Nov 2026Pending
30 Woodville Road, Walthamstow, London, E17 7EP
Construction of a single storey rear infill extension.
28 Oct 2026Pending
20 Gainsford Road, Walthamstow, London, E17 6QB
Lawful Development Certificate (Proposed) - Construction of dormer roof extensio...
26 Oct 2026Pending
13 - 23 St James Street, Walthamstow, Waltham Forest, E17 7PJ
Variation of Conditions 3 (approved plans and documents), 4 (external materials)...
21 Oct 2026Pending
143 High Street, Walthamstow, London, E17 7DB
Retention of change of use from retail (Use Class E(a)) to a small hot food take...
19 Oct 2026Pending
88 Gosport Road, Walthamstow, London, E17 7LZ
Construction of single storey wraparound rear extension.
19 Oct 2026Pending
Ground Floor Flat, 39 Cleveland Park Avenue, Walthamstow, London, E17 7BP
Construction of single storey rear extension to ground floor flat.
Important details
- Council
- Waltham Forest
- Application type
- Certificate of Lawful Development - Existing
- Postcode
- E17 7JS
- Received
- 30 Oct 2026
- Validated
- 30 Oct 2026
- Ward
- High Street
- Case officer
- Show
- Target decision
- 25 Dec 2026
- Decision level
- In process
- Applicant
- Show
- Agent
- Stylish Interiors & Architecture
Consultation & key dates
- Statutory expiry
- 25 Dec 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2025
153a High Street, Walthamstow, London, E17 7BX
Replacement roof structure at rear. Construction of a staircase to the rear allowing acce…
2025
Approved
149a High Street, Walthamstow, London, E17 7BX
Construction of a dormer roof extension to main rear roof slope with installation of two…
2024
Withdrawn
Unit 2, The Mews, 2a Truro Road, Walthamstow, London, E17 7BY
Demolition of the existing two-storey office buildings and construction of a three-storey…
2024
Approved
164 High Street, Walthamstow, London, E17 7JS
Installation of an internally illuminated fascia sign and illuminated projecting sign.
2024
Approved
147a High Street, Walthamstow, London, E17 7BX
Construction of dormer roof extension to main rear roof, together with installation of tw…
2024
Approved
Ground Floor, 201 High Street, Walthamstow, London, E17 7BX
Installation of non illuminated fascia sign and non illuminated projecting hanging sign a…
2024
Refused
147a High Street, Walthamstow, London, E17 7BX
Construction of a dormer roof extension to main rear roof, extension above two storey rea…
2023
Approved
160 High Street, Walthamstow, London, E17 7JS
Installation of 2 x internally illuminated fascia signs, 1 x internally illuminated proje…
2022
Approved
174 High Street, Walthamstow, London, E17 7JS
Installation of one internally illuminated fascia and projecting sign and one internally…
2022
Approved
174 High Street, Walthamstow, London, E17 7JS
Installation of replacement shopfront.
2021
Approved
160 High Street, Walthamstow, London, E17 7JS
Retention of extraction vent system and replacement of window with steel grill to side el…
2021
Approved
160 High Street, Walthamstow, London, E17 7JS
Installation of four internally illuminated fascia signs and one internally illuminated p…
2020
Approved
Street Record Selborne Walk,
Partial demolition of The Mall and construction of two buildings extending to 34 and 26 s…
2020
Approved
140 High Street, Walthamstow, London, E17 7JS
Construction of first and second floor rear extensions and rear dormer window to facilita…
2020
Approved
Street Record Selborne Walk,
Formation of x2 steel doors including infill brickwork at south elevation to facilitate t…
2020
Approved
Street Record Selborne Walk,
Scoping Opinion - Redevelopment of the Mall.
2019
Approved
Street Record Selborne Walk,
Re-construction of roof level with new rooflights following fire damage to the existing b…
2019
Withdrawn
140 High Street, Walthamstow, London, E17 7JS
Construction of first and second floor rear extensions and rear dormer window to facilita…
2019
Approved
Palace Parade High Street,
Advertisement consent for the installation of 1no. non-illuminated fascia sign to shop fr…
2018
Approved
179 - 181 High Street,
Relocation of external ATM from side elevation to front elevation; installation of railin…
2016
Approved
10 Vernon Road, Walthamstow, London, E17 7JX
Single storey habitable basement to rear garden (with lightwell), together with a single…
2016
Approved
159 High Street, Walthamstow, London, E17 7BX
Change of Use from (Use Class A1) retail to (Use Class C3) residential.
2016
Approved
19 Selborne Walk, Walthamstow, London, E17 7JR
Installation of air condenser unit with steel platform at roof level.
2016
Refused
The Chequers Public House, 145 High Street, Walthamstow, London, E17 7BX
Loft conversion with rear dormer windows including formation of rear mansard roof at seco…
Waltham Forest
Planning Authority Score
5.6/10
Average
#116 of 296 councils
Relevant to this application:
Householder decisions
Waltham Forest is faster than most councils at deciding householder applications, ranking #80 out of 296. Only 22% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Waltham Forest is also one of the strictest councils - it refuses more householder applications than almost any other, with only 79% approved vs 90% nationally.
One of the strictest councils
only 79% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application.
View full council performance
Waltham Forest decision statistics
Based on MHCLG data, the year to March 2026
76%
Overall approval rate
Below avg (87%) #284 of 296
79%
Householder approved
Below avg (90%) #284 of 296
75%
Decided in 8 weeks
Above avg (63%) #80 of 296
22%
Extended time limit
Below avg (41%) #25 of 296
49%
Minor dwellings approved
113 decided (1-9 homes)
100%
Major dwellings approved
8 decided (10+ homes)
50%
Change of use approved
56 decided
1,391
Total decisions
332 refused in the year to March 2026
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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