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Get started13 Byron Avenue is a three-bedroom semi-detached house in Watford (WD24 4HT). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (October 2013) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since April 2010. Between certificates, window efficiency went from Average to Good and lighting went from Average to Good; while roof efficiency dropped from Very Good to Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from October 2013, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
Sale prices here have outpaced Watford HPI: 3.1% per year against 0% for the wider region. Today's modelled estimate of £528,000 sits 85.3% above the 2013 sale of £285,000. On a £-per-square-foot basis, the last sale (£273/sq ft) was about 17.7% below the postcode norm. At 97 m² the property is well over the postcode median (65 m² across 12 EPCs), placing it in the larger end of the local stock. Last changed hands 13 years ago, in February 2013.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 15 Oct 2023
13 Byron Avenue valuation sits well clear of the typical sold price in this postcode.
£528,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 9 years.
£285,000
Growth on file: 3.1% per year over 9 years.
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13 Byron Avenue outperforms the street on floor area by a wide margin.
Price per m²
£2,938
Street avg £4,776
Floor Area
97 m²
Street avg 68 m²
Habitable Rooms
7 rooms
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
Windows upgraded, improving insulation
Low energy lighting percentage decreased
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22 February 2013Most recent
£285,000
+31.9%over 9 years13 February 2004
£216,000
Median price across the last 5 sales in WD24 4HT: £447,000 (2025–2014).
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Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.4 t/year
WD24 4DX
Closest school
0.3 km
Knutsford Primary Academy. 34 schools nearby.
Night-time· 23:00 – 07:00
43.6dB