PENNANT, 10 Ralph Street, Borth Y Gest, Porthmadog, Gwynedd, LL49 9UA Data via plota.co.uk

C26/0634/44/TC - Lawful Development Certificate Existing/Proposed In Progress

Proposal

Cais am Dystysgrif Datblygiad Cyfreithlon ar gyfer trosiad llofft cefn arfaethedig gyda dormer bocs cefn i greu ystafell wely gyda balconi Juliette lled llawn a dwy ffenestr wydr afloyw ar yr ochr. Application for Lawful Development Certificate for proposed rear loft conversion with a rear box dormer to create a bedroom with a full-width Juliette balcony and two obscure glazed windows, on the side. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
20 Oct 2026
Decision
Expected by 15 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 30 Dec 2026 and 28 Jan 2027, from Gwynedd's recent extensions.

Comments are open until 11 Nov 2026

Comment on this application ↗

Site constraints 3

Special area of conservation 83 m away: Pen Llyn a'r Sarnau / Lleyn Peninsula and the Sarnau
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 83 m away: Morfa Harlech
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 3.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 24 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 2

Last sold for £292,000 in June 2024. Terraced house, freehold.

13 June 2024£292,000
26 February 1996£60,000

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

Building

Floor area105 m² (1,130 sq ft)
Energy ratingC (69 out of 100), could reach B
PropertyMid-terrace house, 6 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsGranite or whinstone, as built, no insulation (assumed)

From the energy performance certificate lodged in May 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
Lawful Development Certificate Existing/Proposed
Postcode
LL49 9UA
Received
20 Oct 2026
Validated
20 Oct 2026
Ward
Porthmadog (West)
Parish
Porthmadog
Case officer
Show
Target decision
15 Dec 2026
Decision level
Dirprwyedig / Delegated
Applicant
Show
Agent
Ian Siu

Decision outlook

Day 8 of the 56-day target. Gwynedd usually decides extensions by day 84.

Day 876 days to the predicted decision (day 84)
26%decided within 8 weeks
94%approved
250decided in the last year

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

Consultation & key dates

Comments by
11 Nov 2026
Statutory expiry
15 Dec 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.