21 Riversdale Road Thames Ditton Surrey KT7 0QN Data via plota.co.uk

2025/2369 - Householder Application Approved

Proposal

Roof extension, part two/part single-storey side/rear extension, conversion of garage into living space, rooflights, alterations to exterior finish and fenestration following partial demolition of existing house and removal of chimney stack. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
15 Sept 2025
✓
Approved
8 Dec 2025

Approved on 8 Dec 2025 · Last checked 10 Oct 2026

Planning committee

Decided by Elmbridge East Area Planning Sub-Committee on 8 Dec 2025.

Approved

No officer report was published for this decision; this summary is from the committee minutes.

  • The sub-committee resolved to permit the application subject to the conditions set out in the agenda.

Source: Plota analysis of Elmbridge's committee minutes, Elmbridge East Area Planning Sub-Committee minutes, 8 December 2025 .

Documents

View the documents on the council's website ↗

Site constraints 7

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
SSSI about 200 m away: Bushy Park and Home Park SSSI
Natural England may need consulting, depending on what is proposed.
Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.
Also on the record
Registered park or garden about 146 m away: Hampton Court; Conservation area about 63 m away: Thames Ditton; Flood defence about 14 m from the postcode pin (natural high ground, designed for a 1 in 5 year flood); Inside the West Molesey built-up area.
Not affected
Not green belt · No scheduled monument at the site

Checked on 10 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 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 £1,520,000 in October 2024. Detached house, freehold.

28 October 2024£1,520,000
26 September 2008£780,000

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

Building

Floor area180 m² (1,938 sq ft)
Energy ratingE (50 out of 100), could reach C
PropertyDetached 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 January 2019, 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

13 Oct 2026Pending

7 Riversdale Road Thames Ditton Surrey KT7 0QL

Single storey side/rear extension, conversion of garage to living space, front p...

2026/2203

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13 Oct 2026Pending

7 Riversdale Road Thames Ditton Surrey KT7 0QL

Single storey side/rear extension, conversion of garage to living space, front p...

2026/2203
12 Oct 2026Pending

Eaton Cottage Church Lane Thames Ditton Surrey KT7 0NL

Single storey detached outbuilding to rear following demolition of existing shed...

2026/2330
7 Oct 2026Pending

12 Queens Road Thames Ditton Surrey KT7 0QX

Single-storey rear extension and alterations to fenestration.

2026/2345
29 Sept 2026Pending

12 Queens Road Thames Ditton Surrey KT7 0QX

Rear dormer including rear and side facing windows.

2026/2346
28 Sept 2026Pending

1 Sovereign Place Queens Drive Thames Ditton Surrey KT7 0TJ

Single storey side/rear extension with alterations to fenestration.

2026/2246

Important details

Council
Elmbridge
Application type
Householder Application
Postcode
KT7 0QN
Received
15 Sept 2025
Validated
15 Sept 2025
Ward
Thames Ditton Ward
Decision
Grant Planning Permission
Decision date
8 Dec 2025

How this decision compares

Decided in 84 days from validation, 27 days slower than Elmbridge's median of 57 for householder applications. Approved, as 84% of householder applications here are.

49%decided within 8 weeks
84%approved
856decided in the last year

Plota live figures for householder applications decided by Elmbridge in the last twelve months, from validation. Elmbridge decision record →

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Refused
12 Riversdale Road Thames Ditton Surrey KT7 0QL
EL:10/22 - T1- Ash. Fell to ground level. T2 - Ash. Fell to ground level. Both trees are…
2024/2553
2024 Refused
12 Riversdale Road Thames Ditton Surrey KT7 0QL
EL:10/22 - T1- Ash. Fell to ground level. T2 - Ash. Fell to ground level. Both trees are…
2024/2553
2023 Approved
Taggs Boatyard 40 Summer Road Thames Ditton Surrey KT7 0QQ
Replacement pontoons following removal of existing pontoons.
2023/3511
2023 Approved
Taggs Boatyard 40 Summer Road Thames Ditton Surrey KT7 0QQ
Replacement pontoons following removal of existing pontoons.
2023/3511
2023 Approved
22 The Island Thames Ditton Surrey KT7 0SH
Part retrospective application for a rear porch incorporating external staircase.
2023/1140
2022 Approved
36 The Island Thames Ditton Surrey KT7 0SQ
Single-storey side extensions, roof extension incorporating increase in roof ridge height…
2022/3059
2022 Approved
36 The Island Thames Ditton Surrey KT7 0SQ
Single-storey side extensions, roof extension incorporating increase in roof ridge height…
2022/3059
2022 Approved
28 Riversdale Road Thames Ditton Surrey KT7 0QN
Detached two-storey house with void under following demolition of existing house and shed.
2022/3149
2022 Approved
28 Riversdale Road Thames Ditton Surrey KT7 0QN
Detached two-storey house with void under following demolition of existing house and shed.
2022/3149
2023 Approved
11 The Island Thames Ditton Surrey KT7 0SH
Detached two-storey house with void under following demolition of existing dwelling.
23/0297/CON
2022 Approved
9 Riversdale Road Thames Ditton Surrey KT7 0QL
Single-storey rear extension and alterations to fenestration following demolition of exis…
2022/1557
2022 Approved
8 Riversdale Road Thames Ditton Surrey KT7 0QL
Single-storey rear outbuilding following demolition of existing outbuilding.
2022/0703
2022 Approved
8 Riversdale Road Thames Ditton Surrey KT7 0QL
Single-storey rear outbuilding following demolition of existing outbuilding.
2022/0703
2022 Withdrawn
28 Riversdale Road Thames Ditton KT7 0QN
Detached two-storey house with rear balconies and void under following demolition of exis…
2022/0475
2022 Withdrawn
28 Riversdale Road Thames Ditton KT7 0QN
Detached two-storey house with rear balconies and void under following demolition of exis…
2022/0475
2021 Refused
9 Riversdale Road Thames Ditton Surrey KT7 0QL
Single-storey rear extension and alterations to fenestration following demolition of exis…
2021/3228
2021 Refused
8 Riversdale Road Thames Ditton Surrey KT7 0QL
Rear outbuilding incorporating attached garage following demolition of existing rear outb…
2021/2053
2021 Approved
36 The Island Thames Ditton Surrey KT7 0SQ
Retrospective application for a single-storey side extension to existing outbuilding.
2021/1932
2021 Approved
28 The Island Thames Ditton KT7 0SH
Detached two-storey house following demolition of the existing house.
21/1660/CON
2021 Approved
27 The Island Thames Ditton Surrey KT7 0SH
Retrospective variation of condition 2 (approved plans) of application 2011/8398 (front e…
21/1332/CON
2016 Approved
19 The Island Thames Ditton Surrey KT7 0SH
Single storey side extension incorporating new entrance
2016/3403
2016 Approved
37 The Island Thames Ditton Surrey KT7 0SQ
1.0m increase in roof height incorporating side rooflights and rooms in the roofspace and…
2016/4256
2016 Approved
42 The Island Thames Ditton KT7 0SQ
Side dormer window
16/4422/CON
2016 Approved
19 The Island Thames Ditton KT7 0SH
Single storey side extension
16/4166/CON
2016 Approved
21 The Island Thames Ditton Surrey KT7 0SH
Lawful Development Certificate: Whether planning permission is required for proposed side…
2016/2566
Elmbridge
Planning Authority Score
2.6/10
Poor
#247 of 296 councils
Relevant to this application:
Householder decisions

Elmbridge ranks #195 out of 296 councils for householder decision speed. Elmbridge 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
Elmbridge decision statistics
Based on MHCLG data, the year to March 2026
77%
Overall approval rate
Below avg (87%) #277 of 296
79%
Householder approved
Below avg (90%) #281 of 296
57%
Decided in 8 weeks
Below avg (63%) #195 of 296
44%
Extended time limit
Above avg (41%) #178 of 296
68%
Minor dwellings approved
195 decided (1-9 homes)
60%
Major dwellings approved
15 decided (10+ homes)
72%
Change of use approved
32 decided
1,358
Total decisions
314 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.