18 Guild House, Farnsby Street, Swindon, SN1 5AH

18 Guild House is a two-bedroom property in Swindon (SN1 5AH). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (February 2026) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2016); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Average to Very Poor and lighting dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), 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 71 m² this is the 85th smallest of 89 units on EPC record in the building, where floor areas span 26–73 m². The building's EPC ratings span E to B across 89 units on file.

At 71 m² the property is well over the postcode median (43 m² across 88 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £150,000 is 11.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 31.7% below the postcode norm. Last changed hands 10 years ago, in March 2016.