21 Brunswick, Nightingale Way, Catterall, Preston, PR3 1PZ

21 Brunswick is a semi-detached house in Catterall, Preston, Preston (PR3 1PZ). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 2007 onwards and council tax band C. At 89 m² this is the 19th smallest of 20 units on EPC record in the building, where floor areas span 39–89 m². The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (79 versus a best of 85). The latest certificate (January 2019) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (March 2009); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 81).

Across 2009–2019, sale prices on this property compounded at 1.4% per year. Today's modelled estimate of £203,000 is 19.6% below the 2019 sale of £252,525, a rare downward gap that often correlates with deferred maintenance or unfinished works. At 89 m² the property is well over the postcode median (55 m² across 19 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Last sale on file: £252,525 in March 2019.