The information on this page is based on a number of underlying datasets, most of which are updated monthly. We maintain an update schedule which explains which version of each dataset we are currently relying on.
1 CASTLEGATE is a very large extended semi-detached house of 222m², built sometime before 1900, which could now be worth an estimated £496,457. It was last sold for £330,000 in October 2009, which was around 146% above the average October 2009 semi-detached price in the Northumberland local authority area. The most recent EPC inspection was November 2008, where the current energy rating was F, and the potential energy rating was D.
Land registry data shows one sale for 1 CASTLEGATE since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Northumberland local authority area for the corresponding sale date. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
| Date | Price | HPI Price | Variation from HPI |
|---|---|---|---|
2009 9 OCT | £330,000 | £134,225 | 146% above HPI |
1 CASTLEGATE might now be worth an estimated £496,457.
This is based on house price inflation of 50.4%, between October 2009 and May 2026, for semi-detached houses, in the Northumberland local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 50.4% inflationary increase is applied to the most recent sale price for 1 CASTLEGATE of £330,000 on 9th October 2009. For the value to have increased from £330,000 to £496,457 over the seventeen years and five months to May 2026, the following assumptions must hold true:
1 CASTLEGATE is 222m², which includes one extension, according to the EPC inspection conducted in November 2008. This puts it in the largest 10% of semi-detached houses in Berwick-upon-Tweed, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Berwick-upon-Tweed, and where 1 CASTLEGATE lies on this distribution: 99% of semi-detached houses are smaller than 1 CASTLEGATE, and 1% of semi-detached houses are larger. Note that EPC data is not available for all properties in Berwick-upon-Tweed.

1 CASTLEGATE sits on a plot of roughly 0.277 of an acre, or 1,120m².
1 CASTLEGATE is located in BERWICK-UPON-TWEED, in the TD15 postcode district.
Most recent sales first: