13, Elm Walk, Mynydd Isa, Mold, CH7 6XZ Data via plota.co.uk

FUL/000209/26 - Full - Building Works Approved
Extensions & alterations

Proposal

Proposed 2 storey side extension Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Mar 2026
✓
Approved
6 May 2026

Approved on 6 May 2026 · DEL Delegated - Officer · Last checked 11 Jul 2026

Documents

View the documents on the council's website ↗

Site constraints 13

Coal mining legacy areaAir Safeguarding Consult BAE Birdstrike HazardAir Safeguarding Consult BAE All developmentCounty Boundary Flintshire Unitary Authority County BoundaryWindfarm Consultation Area Consult National Air Traffic Services.Existing Waste Management Site Consult Environmental HealthNRW SAC Phosphate Consultation River DeeDevelopment Control South TeamLDP Settlement Boundaries Mynydd IsaUDP Settlement Boundary Mynydd Isa
Nutrient neutrality catchment: River Dee
New homes and overnight accommodation must show nutrient neutrality before approval.
Natural England advice: extra wastewater in these catchments harms protected habitats, so schemes must offset their nutrient load, usually through credits.
Radon affected area, class 5
An estimated 10 to 30% of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.
From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.
UKHSA radon ↗
Coal mining legacy areaCouncil record
Recorded by the council for this site.
Council site ↗
Air Safeguarding Consult BAE Birdstrike HazardCouncil record
Recorded by the council for this site.
Council site ↗
Air Safeguarding Consult BAE All developmentCouncil record
Recorded by the council for this site.
Council site ↗
County Boundary Flintshire Unitary Authority County BoundaryCouncil record
Recorded by the council for this site.
Council site ↗
Windfarm Consultation Area Consult National Air Traffic Services.Council record
Recorded by the council for this site.
Council site ↗
Existing Waste Management Site Consult Environmental HealthCouncil record
Recorded by the council for this site.
Council site ↗
NRW SAC Phosphate Consultation River DeeCouncil record
Recorded by the council for this site.
Council site ↗
Development Control South TeamCouncil record
Recorded by the council for this site.
Council site ↗
LDP Settlement Boundaries Mynydd IsaCouncil record
Recorded by the council for this site.
Council site ↗
UDP Settlement Boundary Mynydd IsaCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
Coalfield, development low risk area.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Mining Remediation Authority, 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 5

Last sold for £212,000 in August 2024. Semi-detached house, freehold.

9 August 2024£212,000
26 October 2018£196,500
23 June 2010£165,000
19 December 2001£83,000
15 June 2000£66,000

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

Building

Floor area89 m² (958 sq ft)
Energy ratingD (67 out of 100), could reach C
PropertyDetached house, 5 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in July 2024, 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

Council
Flintshire
Application type
Full - Building Works
Postcode
CH7 6XZ
Received
24 Mar 2026
Validated
24 Mar 2026
Ward
Flintshire Ward Argoed and New Brighton
Parish
Flintshire Community Argoed Community Council
Case officer
Show
Target decision
19 May 2026
Decision
A01 Approved
Decision date
6 May 2026
Decision level
DEL Delegated - Officer
Applicant
Show

How this decision compares

Decided in 43 days from validation, 8 days faster than Flintshire's median of 51 for extensions. Approved, as 94% of extensions here are.

81%decided within 8 weeks
94%approved
204decided in the last year

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

Consultation & key dates

Alt. reference
PP-14754943
Comments by
21 Apr 2026
Site or press notice
31 Mar 2026

Historical activity at this location

1 nearby application on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2023 Approved
51 , Highfield Avenue, Mynydd Isa, CH7 6XY
Single storey side extension
LDP/000130/23

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.