House Price Monitor

NP15 · Castle Street

All 10 sales on Castle Street

Stella Castle Street

NP15 1BU, Monmouthshire. A freehold detached house.

sold 11 August 2026

The only sale of this house recorded since January 2023.

−20%below the typical NP15 detached house
25%of NP15 detached houses sold for less
101 m²floor area, 1,087 sq ft

Against NP15

−£102,500

Below the typical NP15 detached house, £502,000, Sep 2025 to Aug 2026.

NP15 by year

£522,000

Typical NP15 detached house in 2026 so far, the same as in 2023.

£522k2023
£625k2024
£502k2025
£522k2026

The house

From its energy certificate, May 2024.

Energy ratingC → B
Rooms4
HeatingGas boiler
WindowsDouble glazed
Built1950‑1966

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