21 Hadley Road, Mitcham, Surrey, Merton, CR4 1NW Data via plota.co.uk
Proposal
Alterations and extension to the existing single-storey outbuilding at the rear of the garden, including alterations to the roof, for use as a home gym and storage INCIDENTAL to the main dwelling house. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 29 Oct 2026; it is now day 73.
Documents 9
Statements & assessments 1
Plans & drawings 5
Application forms 1
Other documents 2
Site constraints 4
Checked on 17 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 1
Last sold for £375,000 in June 2017. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in February 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
Decision outlook
Day 73, past the statutory target. 78% of extensions in Merton are decided within thirteen weeks, which runs to 16 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 28 Oct 2026.
Plota live figures for extensions decided by Merton in the last twelve months, from validation. Merton decision record →
Consultation & key dates
- Comments by
- 23 Sept 2026
- Statutory expiry
- 12 Oct 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Merton ranks #196 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).
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.
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21 Hadley Road, Mitcham, Surrey, Merton, CR4 1NW
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The consultation period closed on 23 Sept 2026.