What is the average house price in Trewalchmai?
£199,833
Average price per property type
Detached
£220,500
Semi-Detached
£177,000
Terraced
£149,250
Are prices going up or down?
Short term 📉
Prices decreased by £-25,024 (-11.13%) over the past year
Long term 📈
Prices increased by £67,156 (50.62%) over the past 10 years
Quick answers for Trewalchmai
Start with quick answers below, then open each page for full charts, context, and deeper analysis.
When did average house prices in Trewalchmai reach their peak?
Prices peaked at £550,000 in OCT 2022.
View full price history
How many properties are being sold in Trewalchmai?
9 properties sold in the last 12 months, +2 (+28.6%) vs the previous 12 months.
View sales volume trendsWhat type of properties are sold in Trewalchmai?
Detached houses are most common at 62.5% of sales.
View property type breakdownProperty price ranges in Trewalchmai
The most common price range is £100k - £150k at 50.0% of sales.
View price range breakdownWhat is the most expensive (and cheapest) area of Trewalchmai?
Most expensive: - (£0). Cheapest: - (£0).
View full area rankingMost expensive houses in Trewalchmai 👀
penlon , isle of anglesey
Sold in OCT 2022
£550,000
plas elfan , isle of anglesey
Sold in MAY 2023
£465,000
tyn llain , isle of anglesey
Sold in JUN 2025
£385,000
Data sources
Location boundary data sourced from OpenStreetMap and price information is from HM Land Registry
Last updated at 20 May 2026 at 08:13 with the latest Land Registry data (February 2026). The Trewalchmai dataset covers 39 postcodes.