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About 3a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
3a is a semi-detached house in Watford (WD24 4HT). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1930-1949 and council tax band B. At 40 m² this is the 2nd smallest of 13 units on EPC record in the building, where floor areas span 39–97 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (February 2016) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). The latest certificate is from February 2016, so improvements made since then won't be reflected.
Held since October 2000 — that's 26 years off the open market, well above the local norm. Sale prices here have outpaced Watford HPI: 6.2% per year against 0% for the wider region. Today's modelled estimate of £212,000 sits 278.6% above the 2000 sale of £56,000. On a £-per-square-foot basis, the last sale (£130/sq ft) was about 60.8% below the postcode norm. At 40 m² it sits well below the postcode median (73 m² across 12 EPCs), making it one of the more compact homes locally.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 27 Feb 2026
EPC Rating
A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.1 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
3a's modelled value sits at over four times its earliest registered sale price (1996).
Current estimate
See how we calculated this£212,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 4 years.
Last sold (2000)
£56,000
Growth on file: 6.2% per year over 4 years.
Sales timeline
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The complete analysis of 3a, Byron Avenue, Watford, WD24 4HT
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Watford district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around WD24 4HT from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.5dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 64 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 3a, Byron Avenue, Watford, WD24 4HT. Each answer is also embedded as structured data for search engines.