Search Seion planning applications
46 applications on record · within 1 km of the centre of Seion · updated daily · Gwynedd Council
Only 1 application in the last 90 days, so this shows every one we hold.
- RHOS AERON, Seion, Caernarfon, Gwynedd, LL55 3ALApprovedCodi estyniad unllawr a balconi, ynghyd ag addasiadau cysylltiedig. Erection of single storey extension & balcony, along with associated alterations.Householder PlanningReceived week of 7 Sep 2026Decided 9 Nov 2026C26/0525/18/DT
- National Grid Co Plc, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3ANCais i ryddhau amod 8 o ganiatâd cynllunio gwreiddiol C25/0554/18/LL i gyflwyno cynllun ysgrifenedig ar gyfer gwaith archeolegol cyn i unrhyw ddatblygiad ddigwydd. Discharge of condition 8 of original planning permission C25/0554/18/LL to submit a written scheme of investigation for archaeological work before any development takes place.Approval of Details Reserved by ConditionReceived 11 Feb 2026C26/0084/18/RA
- Land At The Stables, North Of Cae Rhos Terrace, Seion, LL55 3AGDarparu un lle ar gyfer sipsiwn a theithwyr yn cynnwys un siale statig, un carafán teithiol, trosi bloc stabl unllawr carreg presennol yn ystafell dydd/gyfleustodau, parcio ar y safle a chyfleusterau troi, gwelliannau mynediad i gerddwyr a cherbydau, gosod gwaith trin preifat a gwelliannau ecolegol (Ailgyflwyniad yn dilyn gwrthod C25/0100/18/LL) The provision of one gypsy traveller pitch incorporating one static chalet, one touring caravan, conversion of existing stone single storey stable block to a day/utility room, on site parking and turning facilities, pedestrian and vehicle access improvements, installation of private treatment plant and ecological enhancements (Resubmission following refusal of C25/0100/18/LL)Full PlanningReceived 11 Sep 2025C25/0648/18/LL
- 6 Seion Terrace, Seion, Caernarfon, Gwynedd, LL55 3AFApprovedGosod Pwmp Gwres Riello ar flaen yr eiddo. Installation of a Riello Heat Pump at the front of the propertyHouseholder PlanningReceived 10 Apr 2025C25/0290/18/DT
- Land At The Stables, North Of Cae Rhos Terrace, Seion, LL55 3AGRefusedUn safle teithwyr sipsi yn cynnwys un sialet sefydlog, un carafán deithiol, addasu bloc stabl un llawr presennol yn ystafell ddydd / ystafell amlbwrpas, cyfleusterau parcio a throi ar y safle, mynedfa i gerddwyr a cherbydau a gwelliannau ecolegol. One gypsy traveller pitch incorporating one static chalet, one touring caravan, conversion of existing stone single storey stable block to a day/utility room, on site parking and turning facilities, pedestrian and vehicle access improvements and ecological enhancementsFull PlanningReceived 10 Feb 2025C25/0100/18/LL
Planning in Seion
Only 3 decisions near Seion in the last 2 years, too few to judge an approval rate.
Applications within 1 km of the centre of Seion in the last 24 months, from Gwynedd Council's planning register.
Decided by Gwynedd CouncilCouncil page
Around Seion
Postcode districts
LL55 125 applications in the last 12 months
Applications in each district in the last 12 months.
Nearby towns and villages
Planning authority: Gwynedd Council
For home projects and trades
- Architects in SeionFor planning applications, extensions and new builds.
- Building contractors in SeionLocal builders for approved plans and permitted development.
Builders and trades: get new Seion jobs that match your work. See Leads
Application types: Rear extensionsLoft conversionsHouseholder applicationsTree works & TPOListed building consentChange of useAnnexes & granny flatsSolar panelsBarn conversionsBasement extensions
About Seion
Seion is a settlement located in Gwynedd, Wales.
There are currently no active flood warnings for the Seion area, indicating a relatively low flood risk at present. This is a positive factor for both existing residents and those considering property purchases or new developments.
In terms of safety, there were no crimes reported in the immediate area during the most recent reporting period (May 2026). This makes Seion a particularly low-crime area, which is often reflected in its desirability and property values.
For anyone interested in property development or monitoring local planning decisions, Seion planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
To comment on or object to a planning application near Seion, open it in the list above: each one links to the council's own page for it and shows any comment deadline.
In the last 24 months, 5 planning applications were submitted near Seion.
The most common types were full planning applications (3), discharge of conditions (1).