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Get started23 Byron Avenue is a semi-detached house in Watford (WD24 4HT). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2021) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2010. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 88), a 2-band jump.
At 80 m² it's 24% larger than the typical home in the postcode (65 m² median across 12 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
23 Byron Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£460,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
On habitable rooms, 23 Byron Avenue stands well clear of the street.
EPC Rating
65 (D)
Street avg 62 (D)
Floor Area
80 m²
Street avg 70 m²
CO₂ Emissions
3.5 t/year
Street avg 3.4 t/year
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Eastfield Avenue — bus stop.

Daytime· 07:00 – 23:00
52.5dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in WD24 4HT: £447,000 (2025–2014).
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Detailed EPC data
Full energy ratings, history and recommendations
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Full planning history
Every application and decision on record
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Habitable Rooms
5 rooms
Street avg 4 rooms
WD24 4EP
Closest school
0.3 km
Knutsford Primary Academy. 34 schools nearby.
Night-time· 23:00 – 07:00
43.6dB