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Get started40a, High Street, Hemel Hempstead, HP1 3AE
About 40a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
40a is a detached house in Hemel Hempstead (HP1 3AE). It has a recorded floor area of 178 m² (around 1913 sq ft) and construction records dating it to 1967-1975. The latest certificate (April 2009) shows an E (score 50), well below the UK norm with real room to improve. Main heating runs on oil. The latest certificate is from April 2009, so improvements made since then won't be reflected.
At 178 m² the property is well over the postcode median (41 m² across 7 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £746,000 sits 366.2% above the 2017 sale of £160,000. On a £-per-square-foot basis, the last sale (£84/sq ft) was about 78.3% below the postcode norm. On the market in February 2017 and unlisted since — roughly 9 years.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
40a's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Apr 2019
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
40a's modelled value sits at over four times its earliest registered sale price (2017).
Current estimate
See how we calculated this£746,000
Modelled from EPC, postcode comparables.
Last sold (2017)
£160,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 40a, High Street, Hemel Hempstead, HP1 3AE
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other High Street homes
Four headline reads against 3 similar houses on this street, drawn from the latest EPC and Land Registry data.
On floor area, 40a stands well clear of the street.
EPC Rating
50 (E)
Street avg 61 (D)
Floor Area
178 m²
Street avg 92 m²
CO₂ Emissions
9.6 t/year
Street avg 4.5 t/year
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 Hemel Hempstead district page.
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Fensomes Alley — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HP1 3AE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
53.3dB
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 40a, High Street, Hemel Hempstead, HP1 3AE. Each answer is also embedded as structured data for search engines.