21 Dôl Beuno, Bontnewydd, Caernarfon, Gwynedd, LL55 2UE Data via plota.co.uk

C26/0476/19/DT - Householder Planning Approved

Proposal

Dymchwel adeilad allanol a chodi estyniad deulawr cefn Demolish outbuilding and construct a two storey rear extension Data via plota.co.uk

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View original council record ↗Last checked 8 Oct 2026, 02:32

Application progress

✓

Received

10 Aug 2026

✓

Validated

19 Aug 2026

✓

Approved

30 Sept 2026

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

Documents 6

Site constraints 7

Flood zone 3, rivers and sea

High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.

The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.

Flood map ↗

Nutrient neutrality catchment: Afon Gwyrfai

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.

Special area of conservation about 148 m away: Afon Gwyrfai a Llyn Cwellyn

Work nearby can need a habitats assessment.

Harm to a protected site is only accepted where there is no alternative and an overriding public interest.

SSSI about 146 m away: Afon Gwyrfai a Llyn Cwellyn

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

Radon affected area, class 2; Conservation area about 70 m away: Bontnewydd; 2 listed buildings within 150 m of the postcode pin.

Not affected

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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