57, Northumberland Avenue, London, E12 5EZ Data via plota.co.uk

2583/26 - Householder Under assessment
Extensions & alterations

Proposal

Detached rear outbuilding for use as a granny annex for ancillary use to the main dwelling house. (Summary). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
1 Oct 2026
✓
Validated
8 Oct 2026
✓
Consultation
16 Oct 2026
Decision
Expected by 2 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 7 Nov 2026, from Redbridge's recent extensions.

Comments are open until 2 Nov 2026

Comment on this application ↗

Documents

View the documents on the council's website ↗

Site constraints 10

Aldersbrook 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.
Council document ↗
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: Redbridge 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 ↗
Registered park or garden 25 m away: Wanstead Park
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Heritage at risk 25 m away: Wanstead Park; Inside the Redbridge built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Green belt 20 m away: London; Priority habitat 25 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 9 October 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.

Sales history 2

Last sold for £750,000 in October 2017. Terraced house, freehold.

31 October 2017£750,000
22 July 2015£650,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area132 m² (1,421 sq ft)
Energy ratingD (67 out of 100), could reach C
PropertyMid-terrace house, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in February 2015, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Redbridge
Application type
Householder
Postcode
E12 5EZ
Received
1 Oct 2026
Validated
8 Oct 2026
Ward
Wanstead Park
Case officer
Show
Target decision
2 Dec 2026
Applicant
Show
Agent
Architecture 201

Decision outlook

Day 20 of the 56-day target. Redbridge usually decides extensions by day 30.

Day 2036 days to the 56-day target
90%decided within 8 weeks
85%approved
1,829decided in the last year

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

Consultation & key dates

Alt. reference
PP-15103586
Comments by
2 Nov 2026
Site or press notice
13 Oct 2026
Statutory expiry
5 Nov 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
69, Clavering Road, Wanstead, London, E12 5EY
T1 (Silver birch) - To reduce by 2m height; and T2 (Willow) - To prune lowest overhanging…
3079/25
2025 Approved
166, Wanstead Park Avenue, London, E12 5EF
Single storey rear / side extension. (Summary)
2180/25
2025 Approved
164, Wanstead Park Avenue, London, E12 5EF
Loft conversion with a rear dormer. Two front roof lights. (Summary).
1867/25
2025 Approved
135, Wanstead Park Avenue, Wanstead, London, E12 5EE
T1, T2 (2x pine), T3 (plum) and T4 (spruce) - Fell as close to ground level as possible…
1595/25
2025 Approved
55, Northumberland Avenue, Wanstead, London, E12 5EZ
Remove chimney. Loft conversion with a rear dormer. Three front roof lights. (Summary).
0342/25
2024 Approved
53, Northumberland Avenue, Wanstead, London, E12 5EZ
Single storey and part first floor rear extensions. New window to side elevation. (Summar…
3186/24
2024 Approved
162, Wanstead Park Avenue, Wanstead, London, E12 5EF
Loft conversion with a rear dormer. Two front roof lights (summary)
3313/24
2024 Approved
135, Wanstead Park Avenue, Wanstead, London, E12 5EE
Replacement of all front garden walls and gates to meet conservation area guidelines. Re…
2169/24
2024 Approved
72, Clavering Road, Wanstead, London, E12 5EX
Single storey rear extension (summary)
2005/24
2024 Approved
50, Northumberland Avenue, Wanstead, London, E12 5HA
Tree A (Eucalyptus) - Remove. (summary)
2217/24
2024 Approved
68, Clavering Road, Wanstead, London, E12 5EX
Sycamore (T1) - reduce height of crown by 3m; Leylandii (T2) - reduce height of crown by…
1729/24
2023 Refused
144, Wanstead Park Avenue, Wanstead, London, E12 5EF
Loft conversion with a side rear dormer. Three front roof lights (summary)
3565/23
2023 Approved
82, Clavering Road, Wanstead, London, E12 5EX
Single storey rear extension. Loft conversion with a rear dormer. Three front roof lights…
3318/23
2023 Approved
144, Wanstead Park Avenue, Wanstead, London, E12 5EF
Loft conversion with a rear dormer. Three front roof lights. (Summary).
3028/23
2023 Refused
166, Wanstead Park Avenue, Wanstead, London, E12 5EF
Single storey rear extension. Internal alterations (summary)
3047/23
2023 Approved
55, Northumberland Avenue, Wanstead, London, E12 5EZ
Removal of one rear chimney (western side). Loft conversion with a rear dormer. Two front…
2540/23
2023 Approved
144, Wanstead Park Avenue, Wanstead, London, E12 5EF
Replace existing windows with double glazed hardwood and sash windows. (Summary).
1443/23
2023 Approved
57, Northumberland Avenue, Wanstead, London, E12 5EZ
Single storey rear extension (summary)
1073/23
2023 Approved
71, Clavering Road, Wanstead, London, E12 5EY
Replace single storey rear extension timber windows and French door. (Summary).
0211/23
2023 Refused
57, Northumberland Avenue, Wanstead, London, E12 5EZ
Single storey rear extension with a patio / pergola. (Summary)
0139/23
2016 Approved
127, Wanstead Park Avenue, Wanstead, London, E12 5EE
Loft conversion. Three front roof lights. Three rear roof lights. (Summary)
1955/16
2016 Approved
73, Clavering Road, Wanstead, London, E12 5EY
Single storey rear extension. (Summary)
1339/16
2016 Withdrawn
127, Wanstead Park Avenue, Wanstead, London, E12 5EE
Loft conversion and installation of three front roof lights and three rear roof lights (s…
0960/16
2016 Approved
133, Wanstead Park Avenue, Wanstead, London, E12 5EE
T1 (holly) - 1m crown reduction; T2 (pear tree) - prune by 1m, remove ivy and clean out c…
0600/16
2016 Approved
50, Northumberland Avenue, Wanstead, London, E12 5HA
T1 (eucalyptus) - cut one overhanging branch (angles at a height of approximately 2.4m fr…
0771/16
Redbridge
Planning Authority Score
4.5/10
Below average
#174 of 296 councils
Relevant to this application:
Householder decisions

Redbridge ranks #129 out of 296 councils for householder decision speed. Redbridge is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Redbridge decision statistics
Based on MHCLG data, the year to March 2026
72%
Overall approval rate
Below avg (87%) #292 of 296
82%
Householder approved
Below avg (90%) #267 of 296
69%
Decided in 8 weeks
Above avg (63%) #129 of 296
34%
Extended time limit
Below avg (41%) #90 of 296
57%
Minor dwellings approved
152 decided (1-9 homes)
83%
Major dwellings approved
12 decided (10+ homes)
32%
Change of use approved
192 decided
1,673
Total decisions
461 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.