1 Milbourne Close Twynyrodyn Merthyr Tydfil CF47 0UH Data via plota.co.uk

P/26/0171 - Full Refused

Proposal

Two storey rear extension incorporating a rear dormer. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
28 Jul 2026
✓
Consultation
28 Jul 2026
✗
Refused
15 Sept 2026
Appeal
Not lodged

Refused on 15 Sept 2026 · Delegated Decision · Last checked 15 Sept 2026

Site constraints 2

Scheduled monument 130 m away: Merthyr Tramroad Tunnel (Trevithick's Tunnel)
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Also on the record
Coalfield, development low risk area.
Not affected
Outside flood zones 2 and 3 · No listed building at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Mining Remediation Authority 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.

Building

Floor area103 m² (1,109 sq ft)
Energy ratingC (70 out of 100)
PropertySemi-detached house, 5 habitable rooms
Built1976 to 1982
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in November 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Full
Postcode
CF47 0UH
Received
28 Jul 2026
Validated
28 Jul 2026
Ward
TOWN
Case officer
Show
Decision
Refusal
Decision date
15 Sept 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 49 days from validation, about the council's usual 48 days. Refused, as 5% of extensions here are.

77%decided within 8 weeks
95%approved
58decided in the last year

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

Public comments

1comment received
1 objecting

3 neighbours consulted · Last counted 15 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours
28 Jul 2026
Consultation
28 Jul 2026
Comments by
18 Aug 2026
Env. assessment
No

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.