PEN Y GWYLWYR, Rhostryfan, Caernarfon, Gwynedd, LL54 7NT Data via plota.co.uk

C25/0782/24/DT - Householder Planning Approved

Proposal

Mae'r bwriad yn cynnwys dymchwel estyniad presennol sy'n dirywio ac ansefydlog a chodi estyniad newydd yn ei le gyda adain gefn. The proposal involves the demolition of the existing unstable and deteriorating extension and erect a new replacement extension with rear wing Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
week of 3 Nov 2025
✓
Validated
6 Nov 2025
✓
Approved
week of 19 Jan 2026

Approved in the week of 19 Jan 2026 · Dirprwyedig / Delegated · Last checked 2 Oct 2026

Site constraints 2

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 ↗
Also on the record
Radon affected area, class 4.
Not affected
No scheduled monument at the site

Checked on 6 October 2026. 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.

Sales history 1

Last sold for £325,000 in May 2025. Other property, freehold.

16 May 2025£325,000Recorded as a transfer outside a standard sale

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

Building

Floor area155 m² (1,668 sq ft)
Energy ratingF (29 out of 100), could reach D
PropertyDetached bungalow, 7 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, oil
WallsGranite or whinstone, as built, no insulation (assumed)

From the energy performance certificate lodged in August 2024, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

Work with planning data?

Every application in Gwynedd - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Important details

Council
Gwynedd
Application type
Householder Planning
Postcode
LL54 7NT
Received
week of 3 Nov 2025
Validated
6 Nov 2025
Ward
Llanwnda
Parish
Llanwnda
Case officer
Show
Target decision
29 Jan 2026
Decision
Approved with Conditions
Decision date
week of 19 Jan 2026
Decision level
Dirprwyedig / Delegated
Applicant
Show

Consultation & key dates

Comments by
30 Dec 2025
Statutory expiry
29 Jan 2026

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.