37 Walden Street, London, E1 2AL Data via plota.co.uk

PA/26/01141/NC - Full Planning Permission Approved
Extensions & alterations

Proposal

Proposed construction of a new mansard roof extension including dormer windows and roof lights, lowering the cill of the lower ground floor rear window to form a new door opening, modifying the head of the lower ground floor front window opening, replacing all windows with double glazed timber sash windows, demolishing an external staircase and replacing the back door with a double glazed timber sash window, construction of new outbuilding in garden. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
14 Jul 2026
✓
Consultation
20 Jul 2026
✓
Approved
11 Sept 2026

Approved on 11 Sept 2026 · Delegated · Last checked 12 Sept 2026

Documents 14

Decision & officer reports 2

PDF OFFICERS REPORT Delegated Report · 11 Sept 2026 View ↗ PDF DECISION_NOTICE Decision Notice · 11 Sept 2026 View ↗

Statements & assessments 2

PDF PART 2 Design & Access Statement · 6 Jul 2026 View ↗ PDF PART 1 Design & Access Statement · 6 Jul 2026 View ↗

Plans & drawings 9

PDF 016-PL-1101 REV 01 PROPOSED OUTBUILDING ELEVATIONS Current Plan · 11 Sept 2026 View ↗ PDF 016-PL-1000 REV 02 PROPOSED FLOOR PLANS Current Plan · 11 Sept 2026 View ↗ PDF 016-PL-1100 REV 02 PROPOSED ELEVATIONS AND SECTIONS Current Plan · 11 Sept 2026 View ↗ PDF 016-PL-1100 REV 01 EXISTING ELEVATIONS AND SECTIONS Current Plan · 15 Jul 2026 View ↗ PDF 016-PL-0000 EXISTING FLOOR PLANS Current Plan · 6 Jul 2026 View ↗ PDF 016-PL-0100 PROPOSED ELEVATIONS AND SECTIONS Current Plan · 6 Jul 2026 View ↗ PDF 016-PL-1000 PROPOSED FLOOR PLANS Current Plan · 6 Jul 2026 View ↗ PDF 016-PL-1101 PROPOSED OUTBUILDING ELEVATIONS Current Plan · 6 Jul 2026 View ↗ PDF 016-PL-9000 SITE AND LOCATION PLANS Current Plan · 6 Jul 2026 View ↗

Application forms 1

PDF Application Form Application Form · 6 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 10

London Hospital conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Article 4 direction
Whitechapel 2. Named permitted development rights are withdrawn here.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.
Heritage at risk: London Hospital, Stepney
On the register of historic places assessed as at risk.
A designated building, monument, park or conservation area assessed as at risk from neglect, decay or development. Proposals that secure its future are looked on favourably.
Historic England ↗
Air quality management area: Tower Hamlets 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.
Council record ↗
15 listed buildings within 150 m
Nearest: 39-49, Walden Street E1, Grade II, 2 m away · 1 Grade II*, 12 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 15 with distances
Historic England ↗
National infrastructure project 509 m away: Thames Tideway Tunnel
The site is 509 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, 1327 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Opportunity area
Where the London Plan expects significant growth.
Boundaries are indicative and the borough holds the detailed plan.
Also on the record
Protected tree 12 m away: Sycamore (Acer Pseudoplatanus), order 0000_16; Inside the Tower Hamlets 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 scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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 area80 m² (861 sq ft)
Energy ratingD (67 out of 100), could reach B
PropertyMid-terrace house, 4 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in July 2022, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Tower Hamlets
Application type
Full Planning Permission
Postcode
E1 2AL
Received
14 Jul 2026
Validated
14 Jul 2026
Ward
Whitechapel
Case officer
Show
Target decision
22 Sept 2026
Decision
Permit
Decision date
11 Sept 2026
Decision level
Delegated
Applicant
Show
Agent
Mathew Witts Architecture Ltd.

How this decision compares

Decided in 59 days from validation, about the council's usual 56 days. Approved, as 89% of extensions here are.

67%decided within 8 weeks
89%approved
333decided in the last year

Plota live figures for extensions decided by Tower Hamlets in the last twelve months, from validation. Tower Hamlets decision record →

Consultation & key dates

Neighbours
20 Jul 2026
Consultation
20 Jul 2026
Comments by
13 Aug 2026
Site or press notice
23 Jul 2026
Statutory expiry
8 Sept 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025
46-48a Ashfield Street, London, E1 2AJ
Retention and refurbishment of 46-48a Ashfield Street including internal layout alteratio…
PA/25/02241/NC
2025
The Whitechapel Estate, Land between Varden Street and Ashfield Street, Whitechapel, London E1 2JH
Phased redevelopment of the site comprising demolition of all existing buildings (save fo…
PA/25/02236
2025 Approved
47 Walden Street, London, E1 2AL
Listed Building Consent sought for: Removal of ground-floor internal stud wall between re…
PA/25/01891/NC
2025 Approved
Dawson House, Walden Street, London E1 2BD
Removal of flammable balustrades to the balconies and replacement with metal handrail and…
PA/25/01661/NC
2025 Approved
Clare Alexander House, Walden Street, London, E1 2RA
Removal of flammable balustrades to the balconies and replacement with metal handrail and…
PA/25/01420/NC
2025 Approved
Flat 3, 31 Varden Street, London, E1 2AW
Retrospective change of use from C3(b) (dwellinghouse occupied by up to six residents liv…
PA/25/01446/NC
2025 Approved
41 Walden Street, London, E1 2AL
Listed Building Consent sought for: (i) removal of ground-floor internal stud wall (and a…
PA/25/01252/NC
2025 Approved
45 Walden Street, London, E1 2AL
Refurbishment of a Georgian Terraced house. Works include: - Internal refurbishment inclu…
PA/25/00677/NC
2025 Approved
45 Walden Street, London, E1 2AL
Listed Building Consent for refurbishment of a Georgian Terraced house. Works include…
PA/25/00678/NC
2025 Approved
59 Philpot Street, London, E1 2JH
Proposed works: Lower Ground Floor: Add a bedroom and WC; convert existing storage to a C…
PA/25/00426/NC
2025 Approved
59 Philpot Street, London, E1 2JH
Proposed works: Lower Ground Floor: Add a bedroom and WC; convert existing storage to a C…
PA/25/00427/NC
2025 Approved
28 Newark Street, London, E1 2AA
Listed Building Consent to complete injectable DPM and re-tanking works to existing lower…
PA/25/00274/NC
2024 Approved
43 Walden Street, London, E1 2AL
Listed Building Consent sought to remove interior wall between reception rooms (consent p…
PA/24/02127/NC
2023 Approved
Abernethy And Blizard Building, 2-4 Newark Street, London, E1 2AT
Display of 4x non illuminated fascia signage.
PA/23/01824/NC
2023 Approved
12A Turner Street, London, E1 2AS
Single storey extension at roof level
PA/23/01541/NC
2023 Approved
Site outside John Harrison House, Philpot Street, London, E1
Tree works to following: T2: Crab Apple Tree - Reduce crown by 30% T3: Maple Tree - Reduc…
PA/23/01640/NC
2023 Approved
28 Newark Street, London, E1 2AA
Replacement of existing single storey glazed extension with a two storey glazed rear exte…
PA/23/01088/NC
2023 Approved
28 Newark Street, London, E1 2AA
Replacement of existing single storey glazed extension with a two storey glazed rear exte…
PA/23/01089/NC
2023 Approved
28 Newark Street, London, E1 2AA
Internal alternations to include: new doors, finishes, fittings, secondary glazing, under…
PA/23/00963/NC
2023 Approved
Flat 7, Elan Court, 36 Newark Street, London, E1 2AA
Proposed replacement of existing x4 single glazed timber front windows to match existing
PA/23/00747
2016 Refused
Flats 2 & 4, Elan Court, 36 Newark Street, London, E1 2AA
Replacement of windows and doors on rear elevations to Flats 2&4 with new UPVC windows an…
PA/16/00887
2016 Refused
Flats 2 & 4, Elan Court, 36 Newark Street, London, E1 2AA
Replacement of windows and doors on rear elevations to Flats 2&4 with new UPVC windows an…
PA/16/00887/R
2016 Refused
Flats 2 & 4, Elan Court, 36 Newark Street, London, E1 2AA
Replacement of modern (non-original) timber casement windows and French doors on rear ele…
PA/16/00888/R
2016 Approved
21 Varden Street, London, E1 2AW
Erection of summer house in rear garden to match adjoining property.
PA/16/00125
2016 Approved
21 Varden Street, London, E1 2AW
Erection of summer house in rear garden to match adjoining property.
PA/16/00125/NC
Tower Hamlets
Planning Authority Score
3.9/10
Below average
#201 of 296 councils
Relevant to this application:
Householder decisions

Tower Hamlets is slower than most councils at deciding householder applications, ranking #207 out of 296. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Tower Hamlets decision statistics
Based on MHCLG data, the year to March 2026
84%
Overall approval rate
Below avg (87%) #229 of 296
92%
Householder approved
Above avg (90%) #167 of 296
56%
Decided in 8 weeks
Below avg (63%) #207 of 296
42%
Extended time limit
Above avg (41%) #167 of 296
63%
Minor dwellings approved
52 decided (1-9 homes)
80%
Major dwellings approved
15 decided (10+ homes)
55%
Change of use approved
67 decided
998
Total decisions
164 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

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.