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Llanllyfni

Llanllyfni is one of 65 wards in Gwynedd, home to 1,957 people in 846 households (Census 2021). Homes sold for a median of £135,000 over the past two years, 31% below the Gwynedd median. On average 44% of the land within 500 metres of a home postcode is green space — 60% above the Gwynedd average.

Ward W05001546 · 74 postcodes · Updated 24 October 2026
1,957residentsCensus 2021
£135kmedian sale price44 sales, 24 months
44%green within 500 mpostcode average
93%gigabit broadbandaverage of postcodes
Llanllyfni in GwyneddPostcodes in Llanllyfni highlighted; the rest of Gwynedd in grey
Map of Gwynedd with Llanllyfni highlighted

People and homes.

1,957 residents in 846 households, next to the Gwynedd average.

16%
aged 15–29
19%
aged 65 and over
65%
owner-occupied homes
12%
privately rented
23%
socially rented
1%
flats in purpose-built blocks

Source: Census 2021, Office for National Statistics

Prices.

Quarterly median of standard sales in Llanllyfni and Gwynedd.

LlanllyfniGwynedd
£63k£117k£172k£227k2024 Q12024 Q22024 Q32024 Q42025 Q12025 Q22025 Q32025 Q42026 Q12026 Q22026 Q3
£63k£117k£172k£227k2024 Q12025 Q12026 Q12026 Q3

Source: HM Land Registry Price Paid Data, sales to 28 Aug 2026

Food hygiene.

Food businesses in Llanllyfni with a published hygiene rating.

9rated food businessesin total
100%rated good or very good (4 or 5)Gwynedd: 96%
0rated 2 or belowlatest inspection

Council food safety officers rate businesses from 0 (urgent improvement necessary) to 5 (very good) for hygiene, the state of the premises and how food safety is managed. A rating reflects the standards found on the day of inspection, not the quality of the food.

Source: Food Standards Agency, food hygiene rating data as of 26 October 2026 (Open Government Licence)