5 Celyn Grove Cyncoed Cardiff CF23 6SH Data via plota.co.uk

26/02100/HSE - Householder Planning Permission Registered

Proposal

Proposed first floor extension to the rear, including minor internal modifications Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
5 Oct 2026
✓
Consultation
8 Oct 2026
Decision
Expected by 30 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 18 Nov 2026 and 29 Nov 2026, from Cardiff's recent extensions.

Comments are open until 29 Oct 2026

Comment on this application ↗

Site constraints 3

Also on the record
Local nature reserve 343 m away: Nant Fawr Corridor; Radon affected area, class 3; SSSI 492 m away: Argloddiau Cronfeyedd Dwr Llanisien a Llys-Faen / Llanishen and Lisvane Reservoir Embankments.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 9 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 £720,000 in September 2021. Detached house, freehold.

24 September 2021£720,000

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

Building

Floor area168 m² (1,808 sq ft)
Energy ratingC (69 out of 100)
PropertyDetached house, 9 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in May 2021, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Cardiff
Application type
Householder Planning Permission
Postcode
CF23 6SH
Received
5 Oct 2026
Validated
5 Oct 2026
Ward
CYNCOED
Case officer
Show
Applicant
Show
Agent
Taliesin Architecture Ltd

Decision outlook

Day 25 of the 56-day target. Cardiff usually decides extensions by day 50.

Day 2531 days to the 56-day target
68%decided within 8 weeks
94%approved
650decided in the last year

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

Public comments

No public comments yet.

4 neighbours consulted · Last counted 25 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15273226
Planning Portal ref
PP-15273226
Neighbours
8 Oct 2026
Consultation
8 Oct 2026
Comments by
29 Oct 2026
Env. assessment
No

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.