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Get started21 Byron Avenue is a semi-detached house in Alfreton (DE55 7JZ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (November 2019) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump.
Today's modelled estimate of £149,000 sits 98.7% above the 2020 sale of £75,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 29.4% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Most recent transfer: January 2020 at £75,000.
21 Byron Avenue's carbon output runs well above what efficient homes in the postcode produce.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£149,000
Modelled from EPC, postcode comparables.
£75,000
Recorded with HM Land Registry.
On price per m², 21 Byron Avenue runs well behind the street norm.
Price per m²
£852
Street avg £1,399
Floor Area
88 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ley Avenue — bus stop.

Daytime· 07:00 – 23:00
53.3dB

24 January 2020Most recent
£75,000
Median price across the last 5 sales in DE55 7JZ: £138,000 (2023–2018).
CO₂ Emissions
6.5 t/year
Street avg 3.7 t/year
Closest school
0.1 km
Leys Junior School. 16 schools nearby.
Night-time· 23:00 – 07:00
44.0dB
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