21 Boreham Holt, Elstree, Borehamwood, WD6 3QF

21 Boreham Holt is a two-bedroom detached house in Elstree, Borehamwood, Borehamwood (WD6 3QF). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (September 2025) shows an E (score 45), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2013. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Poor to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to D (score 62). Main heating runs on electricity. At 78 m² this is the 24th smallest of 27 units on EPC record in the building, where floor areas span 61–81 m². The building's EPC ratings span G to D across 27 units on file. Other recorded features include a balcony.

Held since April 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2005–2007, sale prices on this property compounded at 11.5% per year. Today's modelled estimate of £338,000 is 45.1% above the 2007 sale price.