Postcode district
LL21: house prices and neighbourhoods
The LL21 postcode district (Conwy, Denbighshire, Gwynedd): 368 live postcodes across 4 neighbourhoods, with official figures as of 30 October 2026.
Typical house price
£270,000
Median of 16 resales of existing houses in LL21, Sep 2025 to Sep 2026.
Source: HM Land Registry Price Paid Data
Neighbourhoods in LL21
| Neighbourhood | Council | Typical house | Typical flat | Affluence today | Signs of gentrification |
|---|---|---|---|---|---|
| Betws-yn-Rhos, Llangernyw & Llansannan | Conwy | £230,000 | – | Affluent | Moving the other way |
| Corwen, Llanelidan & Efenechdyd | Denbighshire | £241,500 | – | Affluent | Moving the other way |
| Llangollen & Llandrillo | Denbighshire | £235,000 | £145,125 | Affluent | Few signs |
| Bala & Mawddwy | Gwynedd | £180,000 | – | Middle income | Clear signs |
Each neighbourhood's figures are the median resale prices of houses and flats, Affluence today and the gentrification indication from its own page.
Thinking of buying in LL21?
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 See a sample reportNeighbourhood 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. Figures describe the area, not any home, and are not a valuation or a prediction.