Triangle Cottage, Back Lane, Letchmore Heath, Watford, WD25 8EF

Triangle Cottage is a detached house in Letchmore Heath, Watford, Watford (WD25 8EF). It has a recorded floor area of 185 m² (around 1991 sq ft) and construction records dating it to before 1900. The latest certificate (November 2025) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in December 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. The recommended improvements would push it to C (score 78).

At 185 m² the property is well over the postcode median (65 m² across 3 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Today's modelled estimate of £1,715,000 is 25.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£688/sq ft) was about 125% above the typical sold price in the postcode. Last changed hands 9 years ago, in July 2017.