121 Epsom Road Sutton SM3 9EY Data via plota.co.uk

DM2026/00565 - Certificate of Proposed Use Approved
Extensions & alterations

Proposal

Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
6 May 2026
✓
Validated
15 May 2026
✓
Approved
9 Jul 2026

Approved on 9 Jul 2026 · Delegated Decision · Last checked 10 Jul 2026

Documents 15

Decision & officer reports 2

PDF DECISION NOTICE GRANT CPU Decision · 9 Jul 2026 View ↗ PDF PD OFFICER REPORT Officer Report · 9 Jul 2026 View ↗

Plans & drawings 10

PDF A01 Rev 1 Floor Plans (Existing) Revised Drawing · 15 May 2026 View ↗ PDF A02 Rev 1 Second Floor Plans (Existing) Revised Drawing · 15 May 2026 View ↗ PDF A03 Rev 1 Floor Plans (Proposed) Revised Drawing · 15 May 2026 View ↗ PDF A04 Rev 1 Second Floor Plans (Proposed) Revised Drawing · 15 May 2026 View ↗ PDF A05 Rev 1 Elevations (Existing) Revised Drawing · 15 May 2026 View ↗ PDF A06 Rev 1 Elevations (Proposed) Revised Drawing · 15 May 2026 View ↗ PDF A07 Rev 1 Sections (Existing) Revised Drawing · 15 May 2026 View ↗ PDF A08 Rev 1 Sections (Proposed) Revised Drawing · 15 May 2026 View ↗ PDF A09 Rev 1 Block Plan Revised Drawing · 15 May 2026 View ↗ PDF A09 Site Location Plan Drawing · 6 May 2026 View ↗

Application forms 1

PDF Application Form (No personal data) Application Form · 6 May 2026 View ↗

Other documents 2

PDF 121 Epsom FSS 05.05.26 Supporting Document · 6 May 2026 View ↗ PDF 121 Epsom FRA 05.05.26 Supporting Document · 6 May 2026 View ↗

All documents on the council site ↗

Site constraints 5

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: Sutton 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 ↗
Local nature reserve about 176 m away: Morden Park
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
Inside the Sutton (Sutton) built-up area; Public transport access: PTAL 2 (poor), 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. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 1

Last sold for £457,000 in March 2018. Semi-detached house, freehold.

19 March 2018£457,000

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

Building

Floor area95 m² (1,023 sq ft)
Energy ratingD (57 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2017, 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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Important details

Council
Sutton
Application type
Certificate of Proposed Use
Postcode
SM3 9EY
Received
6 May 2026
Validated
15 May 2026
Ward
Stonecot
Case officer
Show
Decision
Application Granted
Decision date
9 Jul 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Fast Plans

How this decision compares

Decided in 55 days from validation, about the council's usual 55 days. Approved, as 88% of extensions here are.

90%decided within 8 weeks
88%approved
680decided in the last year

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

Consultation & key dates

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 Approved
High Trees 90 Epsom Road Sutton SM3 9ES
T10 - Oak - Remove decayed limb.
TREE2025/00079
2025
123 Epsom Road Sutton SM3 9EY
Conversion of loft space involving alterations to existing roofline, a dormer extension a…
DM2025/00725
2025 Approved
High Trees 90 Epsom Road Sutton SM3 9ES
T1 - Oak - crown reduction to provide 2m clearance to property. T3 - Ash - fell.
TREE2025/00004
2023
153 Epsom Road Sutton SM3 9EY
Part demolition of single storey rear extension and erection of an attached two storey dw…
DM2023/01101
2023 Approved
129 Epsom Road Sutton SM3 9EY
Conversion of loft space involving alterations to existing roofline, hip to gable with a…
DM2023/00265
2022 Approved
115-117 Epsom Road Sutton SM3 9EY
Conversion of loft space involving alterations to existing roofline, dormer extensions at…
DM2022/00159
2022 Approved
146 And 148 Epsom Road Sutton SM3 9ES
Retention of the single storey outbuilding to the rear of 146 and 148 Epsom Road within C…
DM2022/00023
2021 Approved
32 Woodstock Avenue Sutton SM3 9EF
Erection of a single storey rear extension and alterations side elevation.
DM2021/02433
2021 Approved
14 Woodstock Avenue Sutton SM3 9EF
Conversion of loft space involving alterations to existing roofline, including a hip to g…
DM2021/02030
2021 Withdrawn
115-117 Epsom Road Sutton SM3 9EY
Erection of a part one, part two storey rear extension, conversion of loft space involvin…
DM2021/01240
2021 Approved
High Trees 90 Epsom Road Sutton SM3 9ES
Provision of replacement windows and doors to the building.
DM2021/01845
2021 Approved
32 Woodstock Avenue Sutton SM3 9EF
Demolition of the existing single storey detached rear garage and shed and erection of a…
DM2021/01084
2020 Approved
6 Woodstock Avenue Sutton SM3 9EF
Conversion of loft space involving alterations to existing roofline, dormer extension at…
DM2020/01497
2020 Approved
133 Epsom Road Sutton SM3 9EY
Conversion of loft space involving alterations to existing roofline, a dormer extension a…
DM2020/01566
2020 Refused
111 Epsom Road Sutton SM3 9EY
Conversion of house into three flats to include a single storey rear extension and conver…
DM2020/01167
2020 Approved
26 Woodstock Avenue Sutton SM3 9EF
Conversion of loft space involving dormer extension at rear, alterations to roofline and…
DM2020/00433
2020 Approved
119 Epsom Road Sutton SM3 9EY
Erection of a single storey side extension.
DM2020/00130
2019 Approved
38 Woodstock Avenue Sutton SM3 9EF
Conversion of loft space involving a hip to gable extension, a dormer extension to the re…
DM2019/01419
2019 Approved
34 Woodstock Avenue Sutton SM3 9EF
Erection of a single storey rear / side extension.
DM2019/01218
2019 Refused
153 Epsom Road Sutton SM3 9EY
Demolition of existing single storey office and store and erection of a part one part two…
DM2019/00042
2018 Approved
146 -148 Epsom Road Sutton SM3 9ES
Demolition of existing double garage and erection of a double garage with store.
DM2018/01838
2018 Approved
30 Woodstock Avenue Sutton SM3 9EF
Erection of a single storey rear extension and front entrance porch.
DM2018/01463
2016 Approved
36 Woodstock Avenue Sutton SM3 9EF
Erection of a single storey extension at rear.
A2016/74383
2016 Refused
36 Woodstock Avenue Sutton SM3 9EF
Single storey rear extension projecting from the rear of the original house by 4.5m.
A2016/73744
2025 Approved
151A Epsom Road Sutton SM3 9EY
Change of use from Class C3 (residential) to Class C4 (small HMO for up to 6 people).
DM2025/00230
Sutton
Planning Authority Score
8.2/10
Excellent
#23 of 296 councils
Relevant to this application:
Householder decisions

Sutton is one of the fastest councils in England for householder decisions, ranking #14 out of 296. Only 13% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Sutton decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #118 of 296
93%
Householder approved
Above avg (90%) #138 of 296
91%
Decided in 8 weeks
Above avg (63%) #14 of 296
13%
Extended time limit
Below avg (41%) #8 of 296
71%
Minor dwellings approved
85 decided (1-9 homes)
89%
Major dwellings approved
9 decided (10+ homes)
81%
Change of use approved
26 decided
891
Total decisions
93 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.

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.