When did prices peak?
£1,275,000
OCT 2021
Price history
What is the average house price in Tref Alaw?
£159,666
Average price per property type
Detached
£245,000
Terraced
£117,000
Are prices going up or down?
Short term 📉
Prices decreased by £-85,934 (-34.99%) over the past year
MAR 2025FEB 2026
Long term 📈
Prices increased by £40,383 (33.85%) over the past 10 years
FEB 2016FEB 2026
Quick answers for Tref Alaw
5 key facts at a glance.
How many homes sold?
3
Last 12 months · -40.0% year on year
Sales trendsWhat sells most often?
Detached houses
50.0% of recent sales
Property typesWhat is the most common price range?
£200k - £300k
50.0% of sales
Price rangesHow does Tref Alaw rank?
39th most expensive area of Ynys Môn / Isle of Anglesey.
Compared with 40 areas
View Ynys Môn / Isle of Anglesey pricesMost expensive houses in Tref Alaw
The five highest recorded property sales in Tref Alaw.
#1
caer gwrli , isle of anglesey
#2
tyn lon , isle of anglesey
#3
glan hafren , isle of anglesey
#4
rhiwgoch fawr , isle of anglesey
#5
bryn gwenallt , isle of anglesey
Data sources
Location boundary data sourced from OpenStreetMap and price information is from HM Land Registry
Last updated at 20 May 2026 at 08:10 with the latest Land Registry data (February 2026). The Tref Alaw dataset covers 42 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.