15 Warrenhyrst, 15 Warren Road, Guildford, GU1 2HD

15 Warrenhyrst is a semi-detached house in Guildford (GU1 2HD). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (March 2026) shows an E (score 47), well below the UK norm with real room to improve. When first surveyed in February 2011 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and hot-water efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 46 m² this is the 10th smallest of 15 units on EPC record in the building, where floor areas span 38–60 m². The building's EPC ratings span E to C, with this unit at the bottom.

On the market in February 2015 and unlisted since — roughly 11 years. Across the public record there are 6 sales, relatively high churn for a single property. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Across 1995–2015, sale prices on this property compounded at 7.2% per year. On a £-per-square-foot basis, the last sale (£475/sq ft) was about 43.1% above the typical sold price in the postcode.