109a, St Albans Road, Watford, WD17 1RD

109a is a mid-terrace house in Watford (WD17 1RD). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1958 and council tax band C. The latest certificate (March 2023) shows an E (score 53), well below the UK norm with real room to improve. When first surveyed in January 2013 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Poor to Good. Main heating runs on electricity: electricity, unspecified tariff. At 54 m² this is the 21st smallest of 42 units on EPC record in the building, where floor areas span 36–122 m². The building's EPC ratings span E to B, with this unit at the bottom.

Across 2022–2023, sale prices on this property compounded at -47.9% per year. Today's modelled estimate of £272,000 is 15% below the 2023 sale of £320,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£551/sq ft) was about 55.8% above the typical sold price in the postcode. 10 planning records sit against the property, 4 approved, 0 refused. Past consents include HMO conversion, change of use to residential and subdivision, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Most recent transfer: November 2023 at £320,000.