20 Byron Avenue, Watford, WD24 4HT
About 20 Byron Avenue
20 Byron Avenue is a two-bedroom semi-detached house in Watford (WD24 4HT). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (November 2025) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2023. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 80). Our model identifies extension potential, subject to local planning policy.
It hasn't traded since June 2003, a hold of 23 years that's notably long for the area. Today's modelled estimate of £420,000 sits 141.4% above the 2003 sale of £174,000. On a £-per-square-foot basis, the last sale (£351/sq ft) was about 17% above the typical sold price in the postcode. At 46 m² it sits well below the postcode median (73 m² across 12 EPCs), making it one of the more compact homes locally.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- Summer houseYes
Building
- RefurbishedYes
- Extension potentialPossible
Everything you need to know about 20 Byron Avenue
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Certificate validity
Valid until 30 November 2035
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
20 Byron Avenue has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Byron Avenue valuation sits well clear of the typical sold price in this postcode.
£420,000
Modelled from EPC, postcode comparables.
£174,000
Recorded with HM Land Registry.
Sales timeline
15 June 2003Most recent
£174,000
Median price across the last 5 sales in WD24 4HT: £447,000 (2025–2014).
Nearby sales in WD24 4HT
Versus other Byron Avenue homes
CO₂ Emissions for 20 Byron Avenue runs comfortably ahead of the street norm.
Price per m²
£3,783
Street avg £4,682
Floor Area
46 m²
Street avg 73 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.5 t/year
Everything you need to know about 20 Byron Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
123/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Eastfield Avenue — bus stop.
Closest school
0.3 km
Knutsford Primary Academy. 34 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
52.5dB
Night-time· 23:00 – 07:00
43.6dB