DERLEEN Ffordd Ffynnon, Dyserth, Rhyl, Denbighshire, LL18 6HL Data via plota.co.uk

42/2026/0197/HH - Householder Application Approved

Proposal

Codi estyniad cefn unllawr ac estyniad mewnlenwi porth blaen i'r annedd / Erection of a single storey rear extension and a front porch infill extension to dwelling Data via plota.co.uk

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View original council record ↗Last checked 1 Oct 2026, 00:43

Application progress

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Received

21 Apr 2026

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Validated

14 May 2026

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Approved

12 Jun 2026

Approved on 12 Jun 2026 · Dirprwyedig/Delegated · Last checked 30 Sept 2026

Documents 15

Decision & officer reports 1

PDF DNOTE - HH PF MA MD PC PO v1 DM Certificate of Decision · 12 Jun 2026 View ↗

Statements & assessments 2

PDF Protected Species Survey (Clwydian Ecology dated 11th May 2026) DM Application Documents · 18 May 2026 View ↗ PDF Green Infrastructure Statement DM Application Documents · 29 Apr 2026 View ↗

Plans & drawings 10

Application forms 1

PDF Application Form Redacted DM Application Forms/Certificates · 29 Apr 2026 View ↗

Site constraints 4

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 ↗

SSSI about 157 m away: Moel Hiraddug a Bryn Gop

Natural England may need consulting, depending on what is proposed.

Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.

Also on the record

National landscape about 156 m away: Bryniau Clwyd A Dyffryn Dyfrdwy/Clwydian Range and Dee Valley; 1 listed building within 150 m of the postcode pin.

Not affected

Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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.

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