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Refused21/02935/HOUSubmitted 5 years agoLoft conversion

15 Portman Road Royal Borough of Kingston (LA Code) KT1 3DY

Erection of L Shaped rear dormer roof extension, raising ridge roof height by 300mm and installation of 2no front rooflights to facilitate loft conversion

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Progress

Submitted
10 Sept 2021
— completed
Validated
10 Sept 2021
— completed
Consultation
20 Oct 2021
— completed
Target date
5 Nov 2021
— completed
Decided
2 Nov 2021
— completed

Application details

Reference
21/02935/HOU
Local authority
Kingston
Postcode
KT1 3DY
Ward
Norbiton - OLD
Application type
Householder
Property type
House

Key dates

Submitted
10 Sept 2021
Validated
10 Sept 2021
Comments close
20 Oct 2021
Target decision
5 Nov 2021
Decided
2 Nov 2021

Estimated project value

£38k–£80k

Based on the 25.4m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 25.4m² · 1 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 6 recent sales are listed below.

Homes here go for about £652,500 — the median of the last 8 market sales in KT1 3DY, £535,000 to £785,000.

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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