21 Byron Avenue, Alfreton, DE55 7JZ
About 21 Byron Avenue
21 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.
Energy performance
21 Byron Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
21 Byron Avenue has no planning applications on record.
Notable planning nearby
10applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Byron Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
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.
Sales timeline
24 January 2020Most recent
£75,000
Median price across the last 5 sales in DE55 7JZ: £138,000 (2023–2018).
Nearby sales in DE55 7JZ
Versus other Byron Avenue homes
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
CO₂ Emissions
6.5 t/year
Street avg 3.7 t/year
Similar properties nearby
The neighbourhood at a glance
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.
Closest school
0.1 km
Leys Junior School. 16 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.3dB

Night-time· 23:00 – 07:00
44.0dB







