15 Larkspur Avenue, Healing, Grimsby, DN41 7JD

15 Larkspur Avenue is a three-bedroom detached house in Healing, Grimsby, Grimsby (DN41 7JD). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (September 2013) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected.

Held since October 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £229,000 sits 222.8% above the 1999 sale of £70,950. On a £-per-square-foot basis, the last sale (£73/sq ft) was about 58.8% below the postcode norm.