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Get started12 Astley Road is a three-bedroom semi-detached house in Hemel Hempstead (HP1 1HU). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (March 2016) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from March 2016, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 5.7% per year against 0% for the wider region. Today's modelled estimate of £516,000 is 36.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 34.1% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 96 m² it's 18.5% larger than the typical home in the postcode (81 m² median across 31 EPCs). On the market in October 2016 and unlisted since — roughly 10 years.
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This certificate is over 10 years old and is no longer valid.Expired 30 Mar 2026
Loft conversion and rear dormer
12 Astley Road valuation sits well clear of the typical sold price in this postcode.
£516,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 11 years.
£378,500
Growth on file: 5.7% per year over 11 years.
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Price per m²
£3,943
Street avg £3,857
Floor Area
96 m²
Street avg 83 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Combe Street — bus stop.

Daytime· 07:00 – 23:00
52.6dB

LOFT CONVERSION AND DORMER WINDOW
6 October 2016Most recent
£378,500
+82.9%over 10 years14 December 2005
£207,000
Median price across the last 5 sales in HP1 1HU: £348,000 (2024–2022).
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
4.8 t/year
Street avg 4.4 t/year
HP1 1QD
Closest school
0.5 km
South Hill Primary School. 32 schools nearby.
Night-time· 23:00 – 07:00
42.7dB