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.
91 MAYFIELDS is a midsized semi-detached house of 78m², built sometime between 1976 and 1982, which could now be worth an estimated £164,782. It was last sold for £81,500 in September 2003, which was around 19% above the average September 2003 semi-detached price in the County Durham local authority area. The most recent EPC inspection was October 2011, where the current energy rating was C, and the potential energy rating was C.
Land registry data shows one sale for 91 MAYFIELDS since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the County Durham 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 |
|---|---|---|---|
2003 5 SEP | £81,500 | £68,247 | 19% above HPI |
91 MAYFIELDS might now be worth an estimated £164,782.
This is based on house price inflation of 102.2%, between September 2003 and May 2026, for semi-detached houses, in the County Durham local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 102.2% inflationary increase is applied to the most recent sale price for 91 MAYFIELDS of £81,500 on 5th September 2003. For the value to have increased from £81,500 to £164,782 over the 23 years and four months to May 2026, the following assumptions must hold true:
91 MAYFIELDS is 78m² according to the EPC inspection conducted in October 2011. This puts it in the largest 50% of semi-detached houses in Spennymoor, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Spennymoor, and where 91 MAYFIELDS lies on this distribution: 52% of semi-detached houses are smaller than 91 MAYFIELDS, and 46% of semi-detached houses are larger. Note that EPC data is not available for all properties in Spennymoor.

91 MAYFIELDS sits on a plot of roughly 0.048 of an acre, or 196m².
91 MAYFIELDS is located in SPENNYMOOR, in the DL16 postcode district.
Most recent sales first: