1 Armstrong Court, Darlington, DL3 9LB

1 Armstrong Court is a one-bedroom semi-detached house in Darlington (DL3 9LB). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1983-1990 and council tax band A. Tenure is freehold. At 41 m² this is the 2nd smallest of 7 units on EPC record in the building, where floor areas span 40–59 m². The building's EPC ratings span E to D, with this unit at the top. The latest certificate (November 2024) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since July 2013. Between certificates, hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 75). Main heating runs on electricity.

On the market in January 2015 and unlisted since — roughly 11 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1998–2015, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £100,000 is 38.9% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 34.6% above the typical sold price in the postcode. At 41 m² it's 18.8% smaller than the typical home in the postcode (51 m² median across 6 EPCs).