15 Derwent House, Samuel Street, Preston, PR1 4YL

15 Derwent House is a two-bedroom mid-terrace house in Preston (PR1 4YL). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (May 2026) shows a D (score 59), a step below the typical UK home. When first surveyed in August 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Very Poor to Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 55 m² this is the 6th smallest of 18 units on EPC record in the building, where floor areas span 46–81 m². The building's EPC ratings span D to B, with this unit at the bottom. Other recorded features include a balcony.

Across 2004–2014, sale prices on this property compounded at 4% per year. Today's modelled estimate of £104,000 sits 133.7% above the 2014 sale of £44,500. On a £-per-square-foot basis, the last sale (£75/sq ft) was about 56.3% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Last changed hands 12 years ago, in November 2014.