Ysgol Parc y Llan & Ysgol Terrig, Treuddyn, Mold, CH7 4LN Data via plota.co.uk

FUL/000777/26 - Full - Building Works Consultation period opened

Proposal

Single-storey front entrance extension to Ysgol Terrig, together with a single-storey side extension to accommodate the Ysgol Terrig Early Years Centre. The proposals also include an infill extension, associated internal alterations and upgrades to the front and side elevations of Ysgol Parc y Llan, together with a new vehicular access from Bryn yr Ysgol to serve a proposed secondary car park, incorporating refuse and cycle storage. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
23 Sept 2026
Decision
Expected by 18 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 13 Nov 2026, from Flintshire's recent extensions.

Comments are open until 30 Oct 2026

Comment on this application ↗

Site constraints 18

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 HealthAreas of Advertisement ControlNRW SAC Phosphate Consultation River DeeDevelopment Control South TeamFlood Map Surface and Water Courses Flood Zone 3Flood Map Surface and Water Courses Flood Zone 2Conservation areaListed building
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 ↗
Areas of Advertisement ControlCouncil 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 ↗
Flood Map Surface and Water Courses Flood Zone 3Council record
Recorded by the council for this site.
Council site ↗
Flood Map Surface and Water Courses Flood Zone 2Council record
Recorded by the council for this site.
Council site ↗
Conservation areaCouncil record
Recorded by the council for this site.
Council site ↗
Listed buildingCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
Conservation area 57 m away: Treuddyn; 2 listed buildings within 150 m; Coalfield, development low risk area.
Not affected
Outside flood zones 2 and 3 · 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.

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Important details

Council
Flintshire
Application type
Full - Building Works
Postcode
CH7 4LN
Received
23 Sept 2026
Validated
23 Sept 2026
Ward
Flintshire Ward Treuddyn
Parish
Flintshire Community Treuddyn Community Council
Case officer
Show
Target decision
18 Nov 2026
Applicant
Show
Agent
Hughes:O'Hanlon Architects

Decision outlook

Day 16 of the 56-day target. Flintshire usually decides extensions by day 51.

Day 1640 days to the 56-day target
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-15201326
Comments by
30 Oct 2026
Site or press notice
28 Sept 2026