40 William Street
NP12 1NW, Caerphilly. A freehold terraced house.
sold 26 September 2025
The only sale of this house recorded since January 2023.
7th of 12terraced house sales on the street, by price
+2%above the typical NP12 terraced house
53%of NP12 terraced houses sold for less
Against NP12
+£3,500
Above the typical NP12 terraced house, £162,000, Sep 2025 to Aug 2026.
NP12 typical
£162,000 This house
£165,000
£162,000 This house
£165,000
£50k£250k
On William Street
7th of 12
Terraced house sales since 2023, by price. The street's typical is £170,000.
This house
£165,000
Street typical
£170,000
Highest sale
£200,000
NP12 by year
£165,000
Typical NP12 terraced house in 2026 so far, up 20.4% since 2023.
£137k2023
£143k2024
£160k2025
£165k2026
Resold in NP12
25 of 25 up
NP12 terraced houses sold twice since 2023. Typical change +34.8%.
25 sold for more
The house
From its energy certificate, Mar 2020.
Energy ratingD → B
Rooms6
HeatingGas boiler
WindowsDouble glazed
BuiltBefore 1900
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