70 May Street Cathays Cardiff CF24 4EY Data via plota.co.uk
Proposal
Ground floor rear extension, rear dormer extension and change of use from class C4 House in Multiple Occupation (HMO) to large Sui Generis house. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 12 Nov 2026 and 1 Dec 2026, from Cardiff's recent changes of use.
Documents 2
Statements & assessments 1
Application forms 1
Site constraints 2
Checked on 15 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 £220,000 in October 2019. 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 October 2024, the latest held for this property. The building may have changed since. View the certificate
Every application in Cardiff - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
69 May Street Cathays Cardiff CF24 4EY
Ground floor rear extension to existing class C4 House in Multiple Occupation.
60 May Street Cathays Cardiff CF24 4EY
Use of the property as a C4 House in Multiple Occupation (HMO).
48 May Street Cathays Cardiff CF24 4EX
CONVERSION FROM CLASS C3 HOUSE TO LARGE SUI GENERIS HOUSE IN MULTI-OCCUPATION
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Important details
Decision outlook
Day 21 of the 56-day target. Cardiff usually decides changes of use by day 44.
Plota live figures for changes of use decided by Cardiff in the last twelve months, from validation. Cardiff decision record →
Public comments
No public comments yet.
9 neighbours consulted · Last counted 22 Oct 2026
Consultation & key dates
- Alt. reference
- PG-35292753
- Neighbours
- 15 Oct 2026
- Consultation
- 15 Oct 2026
- Comments by
- 5 Nov 2026
- Env. assessment
- No
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
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.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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70 May Street Cathays Cardiff CF24 4EY
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Freehold owner, on paid plans
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Comments are open until 5 Nov 2026