LL66 0
LL66 0 is a postcode sector in Rhosgoch, Wales. All 20 of its live postcodes are in Isle of Anglesey. It is in the Ynys Môn constituency and the Twrcelyn ward for most of its postcodes. In the open data we hold, gigabit broadband reaches 78.1% of premises.
Where am I?
The place, administrativelyEvery postcode in this sector is in the same council area. Wards: Twrcelyn (55%) and Talybolion (45%). Postcode sectors are a Royal Mail construct and do not follow administrative boundaries.
Who runs this place?
Each authority and what it is responsible for- Planning applications
- Bin and recycling collection
- Council tax and business rates collection
- Housing and homelessness
- Licensing
- Environmental health
- Parks and leisure
- Local elections
- Schools and education
- Adult social care
- Children’s services
- Roads and highways
- Waste disposal
- Libraries
- Trading standards
- Public health
- Fire and rescue
- Policing
Who do I need to deal with as a business here?
For a business operating in LL66 0, the bodies likely to be relevant are:
- Planning authority: Isle of Anglesey (worth checking with them about change of use, signage, extensions, new premises)
- Highways authority: Isle of Anglesey (worth checking with them about access, parking, loading, road works)
- Licensing authority: Isle of Anglesey (worth checking with them about alcohol, entertainment, food, street trading)
- Business rates: Isle of Anglesey (worth checking with them about rateable value queries, reliefs)
- Environmental health: Isle of Anglesey (worth checking with them about food hygiene, noise, waste)
- Economic development: Isle of Anglesey (worth checking with them about grants, skills, inward investment teams)
This is a starting point built from each authority's statutory responsibilities, not legal advice. Responsibilities are sometimes shared or delegated; confirm with the authority before relying on it.
What is this place like?
Official and open data for the sectorHousing
Not available. Too few recorded sales in this sector for a reliable figure, or none in the period.
Search sold prices (HM Land Registry) →Source: HM Land Registry Price Paid Data, Open Government Licence v3. Data file refreshed 21 June 2026.
Broadband
Share of premises in the sector that can order each service. Availability, not speed actually delivered.
Check a specific address on the Ofcom checker →Source: Ofcom Connected Nations, Spring 2026, Open Government Licence v3. Data file refreshed 24 June 2026.
Transport
Not available for this sector.
Source: NaPTAN, Department for Transport, Open Government Licence v3. Data file refreshed 23 June 2026. Distances are from the sector centroid. NaPTAN records stop points, so a large station with several entrances can count more than once.
Energy efficiency
Share of Energy Performance Certificates lodged for homes in this sector, by band. The median certificate is band E. Average energy efficiency score 39 out of 100. Based on 31 certificates. Homes never sold or let since 2008 may have no certificate.
Find an energy certificate (GOV.UK) →Source: Energy Performance of Buildings register (MHCLG), Open Government Licence v3. Data file refreshed 21 June 2026.
Schools
No state school is recorded with an address in this sector. Schools in neighbouring sectors may be closer than this suggests. Scotland, Wales and Northern Ireland are not covered by the DfE register.
School inspection reports (Ofsted) →Source: DfE Get Information About Schools, Open Government Licence v3. Data file refreshed 21 June 2026.
GP and dental practices
Not available. No practice in this sector is recorded with a postcode in the OpenStreetMap data we hold.
Find a GP (NHS) → Find a dentist (NHS) →Source: OpenStreetMap contributors, ODbL. Data file refreshed 5 September 2026.
Solar potential
Modelled from long-run climate data for the sector centroid. Real output depends on roof orientation, shading and equipment.
Source: PVGIS, European Commission Joint Research Centre, European Commission. Data file refreshed 22 June 2026.
EV charging
Not available. No charge point is recorded in this sector in the registry data we hold, which is not proof there is none.
Source: National Chargepoint Registry, Open Government Licence v3. Data file refreshed 5 September 2026.
Flood risk
Not held on this page. Flood risk is assessed per address, not per postcode sector, and the official service is free.
Flood risk (Natural Resources Wales) →What should I know?
Official links, sources and nearby historyOfficial links
Planning applications, bins, council tax, licensing and local services↗Find your local council (GOV.UK)
Confirm the council for a full postcode↗Flood risk (Natural Resources Wales)
Per-address flood risk↗Find a GP (NHS)
Practices near a full postcode, with registration status↗Broadband and mobile checker (Ofcom)
Fixed and mobile availability at an address↗Your neighbourhood (police.uk)
Neighbourhood policing team and contact
Nearby on Wikipedia
Blue plaques nearby
Source notes
| Module | Source | Licence | Refreshed |
|---|---|---|---|
| Administrative geography | National Statistics Postcode Lookup (ONS) | Open Government Licence v3 | 5 September 2026 |
| Area names and council registry | ONS Open Geography Portal | Open Government Licence v3 | 5 September 2026 |
| Broadband | Ofcom Connected Nations, Spring 2026 | Open Government Licence v3 | 24 June 2026 |
| Energy efficiency | Energy Performance of Buildings register (MHCLG) | Open Government Licence v3 | 21 June 2026 |
| Solar potential | PVGIS, European Commission Joint Research Centre | European Commission | 22 June 2026 |
| Post town | HM Land Registry Price Paid Data (post towns) | Open Government Licence v3 | 25 June 2026 |
AreaIQ Places brings together selected public and third-party geographic and administrative data. Coverage may be incomplete, delayed or unavailable for some locations. Always verify important information with the original authority or source. Figures describe the whole postcode sector, never a single address or street. Looking for LL66 0 on StreetCheck? This page is the free alternative.