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About this data · Nefyn
What the figures for Nefyn cover
Every figure on this site comes from official or open public data. This page shows, for each one, the area it covers, the period, the source and when we last updated it.
Local figures are for Nefyn community, home to 2,509 people at the 2021 census. Flood risk, planning, transport and weather are measured from the centre of Nefyn.
Figure by figure
| Figure | Covers | Period | Source | Last updated |
|---|---|---|---|---|
| Population | Usual residents of Nefyn | Census 2021 | ONS Census 2021 | 17 Oct 2026 |
| Property | Residential sales at postcodes in Nefyn | 12 months to Sept 2026 | HM Land Registry Price Paid Data | 31 Oct 2026 |
| Crime | Crimes reported in the 2 neighbourhood areas (census LSOAs) covering Nefyn; the rate is per 1,000 residents of those areas | 12 months to Aug 2026 | police.uk | 31 Oct 2026 |
| Broadband | Postcodes in Nefyn | Speeds measured 2023, availability 2025 | Ofcom Connected Nations | 30 Sept 2026 |
| Schools | Open schools in Nefyn, plus the nearest others within 5 km of Nefyn | Pupils from the January school census | Welsh Government, via DataMapWales, My Local School and Estyn | 8 Oct 2026 |
| Food hygiene | Food businesses at postcodes in Nefyn | Latest inspection for each business | Food Standards Agency | 31 Oct 2026 |
| Businesses | Active companies with their registered office in Nefyn. A registered office is not always where a company trades. | Current register | Companies House | 31 Oct 2026 |
| Local trades | Active companies whose main activity is a trade, registered in the LL53 postcode district, those in Nefyn first | Current register | Companies House | 31 Oct 2026 |
| Planning | Applications within 5 km of the centre of Nefyn | Last 12 months | PlanIt, from council planning registers | 1 Nov 2026 |
| Flood risk | The kilometre square around the centre of Nefyn; nearest river measured from the centre | Flood Risk Assessment Wales 2026 | Natural Resources Wales (FRAW), OS Open Rivers | 31 Oct 2026 |
| Transport | The stations nearest to Nefyn, with walking routes from its centre | Departures live | National Rail, NaPTAN, OpenStreetMap | Live |
| Weather | The location of Nefyn | Live forecast | MET Norway | Live |
| National comparisons | England and Wales (broadband: the UK), worked out from the same datasets as the local figures | Same periods as above | Our own calculation | 31 Oct 2026 |
Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right (postcodes, from the ONS Postcode Directory). Map and route data © OpenStreetMap contributors. Weather from MET Norway (CC BY 4.0). Live departures from National Rail. Planning data from planit.org.uk.