Neighbourhood · Gwynedd
Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle: house prices and how the area is changing
Official figures for the Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle neighbourhood of Gwynedd, Wales (ONS area Gwynedd 008). Headline figures assembled 3 October 2026. Additional local information checked 13 October 2026. Postcodes LL51, LL54. Figures that read a point use the neighbourhood's centre, near LL54 6RE.
A neighbourhood with below-average incomes, changing little against Gwynedd
Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle is a neighbourhood with below-average incomes; it is changing little against Gwynedd (signals are mixed: 4 rising and 2 falling of 17). Houses here typically resell for £150,000 (median resale price, 2023-2025). Recorded crime is lower than across Gwynedd (0.7 times the borough's rate).
The neighbourhood in brief, from the figures on this page. Summary updated 13 October 2026; source dates are shown below.
Typical house price
£150,000
Median resale price of houses in the neighbourhood, 2023-2025; +23% against 2017-2019.
Source: HM Land Registry Price Paid Data
Affluence today
Below average income
How well off the neighbourhood is now, from household income, home prices and deprivation.
Source: ONS, HM Land Registry, MHCLG Indices of Deprivation
Signs of gentrification
Mixed signs
Weighted balance +0.05; 4 of 17 signals up, 2 down, against the borough.
Source: Official statistics on prices, incomes, benefits, businesses, schools and more (a full report shows every signal)
Average household income
£43,700
ONS estimate for the neighbourhood (modelled, with a margin of error).
Source: Office for National Statistics
Recorded crime
0.7 times the borough's rate
Crimes recorded by the police over 12 months (not anti-social behaviour) per resident, against the borough. Crime per resident can overstate the risk in busy centres where many people work or visit.
Source: Police.uk
Where Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle sits in Gwynedd
- Typical house price: 3rd lowest of 17 neighbourhoods in Gwynedd
- Average household income: joint 7th lowest of 17 neighbourhoods in Gwynedd
Ranked among the council's neighbourhoods by the figures on each one's own page, checked 13 October 2026: typical prices are HM Land Registry resale medians over the latest three-year window, household income the ONS's modelled estimate, with a margin of error, so neighbourhoods a place or two apart may not really differ.
Prices over time in Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle
Source: HM Land Registry Price Paid Data, held locally and checked 13 October 2026. Medians each year, not a valuation of any home.
How the area is changing, signal by signal
4 of 17 counted signals point towards rising affluence against Gwynedd, 2 the other way and 11 in line. A reading of official statistics against the borough, not a prediction; a full report shows every signal's figures and weight. Where this reading sits among every neighbourhood in England and Wales: the gentrification league table.
Rising against the borough
- Recorded crime
- Anti-social behaviour
- Air quality
- Solar and heat pumps
Falling behind the borough
- Recent price momentum
- Homes selling
Questions about Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle
What is the typical house price in Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle?
£150,000. Median resale price of houses in the neighbourhood, 2023-2025; +23% against 2017-2019.
How does Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle compare with the rest of Gwynedd?
Typical house price: 3rd lowest of 17 neighbourhoods in Gwynedd. Average household income: joint 7th lowest of 17 neighbourhoods in Gwynedd.
Is Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle an affluent area?
Below average income. How well off the neighbourhood is now, from household income, home prices and deprivation.
Is Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle gentrifying?
Mixed signs. Weighted balance +0.05; 4 of 17 signals up, 2 down, against the borough.
Each answer repeats a figure shown above, with its source there.
Thinking of buying in Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle?
A full report covers flood risk, schools, crime, your commute, energy, planning and how the area is changing, for the exact home.
Prepare a full report for a home here See a sample reportNearby neighbourhoods in Gwynedd
- Caernarfon West & Waunfawr
- Caernarfon East
- Bethel & Llanrug
- Cricieth & Llanaelhaearn
- Llanberis & Deiniolen
- Porthmadog
- Bangor South
- Bethesda
- All 17 neighbourhoods in Gwynedd
Postcode districts
Neighbourhood names: House of Commons Library, MSOA Names, Open Parliament Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Contains National Statistics data © Crown copyright and database right 2026. Contains public sector information (MHCLG, Police.uk, Ofsted, Department for Education) licensed under the Open Government Licence v3.0. Figures describe the area, not any home, and are not a valuation or a prediction.
