Glyndwr, 9, ST MARY'S TERRACE, Arthog, Gwynedd, LL39 1BQ Data via plota.co.uk
Proposal
Dymchwel y lolfa haul presennol, newidiadau i'r estyniad ochr presennol i greu to fflat gyda ffenestr yn y to, tynnu ffenestr llawr cyntaf ar yr edrychiad ochr, gosod ffenestr newydd ar yr edrychiad ochr ar lefel y llawr atig, ffenestr gromen newydd i'r edrychiad blaen, newidiadau i ffenestr yr edrychiad cefn ar y llawr cyntaf i ffurfio balconi juliet gyda drysau dwbl a newidiadau i wal ffin y blaen ac ochr i greu un lle parcio oddi ar y stryd. Demolition of existing conservatory, alteration of existing side extension to create flat roof with rooflight, removal of existing first floor window to the side elevation, insertion of a new window to the side elevation at attic floor level, new dormer window to front elevation, alteration of the existing first floor rear elevation window to form a juliet balcony with double doors and alterations to the front and side boundary wall to form one off street parking space. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 21 Oct 2026 and 29 Nov 2026, from Gwynedd's recent extensions.
Documents 14
Statements & assessments 1
Plans & drawings 11
Application forms 1
Site constraints 5
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.
Sales history 2
Last sold for £170,000 in April 2025. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in March 2025, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in Gwynedd - and every UK council - as a live feed, an API, or a bulk CSV export.
Important details
Decision outlook
Day 58 of the 56-day target. Gwynedd usually decides extensions by day 85.
Plota live figures for extensions decided by Gwynedd in the last twelve months, from validation. Gwynedd decision record →
Consultation & key dates
- Comments by
- 28 Sept 2026
- Statutory expiry
- 7 Oct 2026
Historical activity at this location
3 nearby applications on record - archival context, not part of the live application.
Nearby activity
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.
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Glyndwr, 9, ST MARY'S TERRACE, Arthog, Gwynedd, LL39 1BQ
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The consultation period closed on 28 Sept 2026.