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Get started30 Coles Hill is a four-bedroom semi-detached house in Hemel Hempstead (HP1 3JN). It has a recorded floor area of 119 m² (around 1281 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (September 2020) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in October 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump. The home occupies a corner plot.
At 119 m² the property is well over the postcode median (80 m² across 19 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2003. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Today's modelled estimate of £582,000 is 25.2% above the 2021 sale price. Last sale on file: £465,000 in April 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
30 Coles Hill has an approved extension on the planning record.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£582,000
Modelled from EPC, postcode comparables.
£465,000
Recorded with HM Land Registry.
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Detailed AI analysis
30 Coles Hill outperforms the street on floor area by a wide margin.
Price per m²
£3,908
Street avg £3,983
Floor Area
119 m²
Street avg 87 m²
Habitable Rooms
6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.1dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Conservatory
23 April 2021Most recent
£465,000
Median price across the last 5 sales in HP1 3JN: £440,000 (2023–2022).
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Street avg 5 rooms
CO₂ Emissions
5.9 t/year
Street avg 3.7 t/year
HP1 3HH
Marnham Rise — bus stop.
Closest school
0.1 km
Galley Hill Primary School and Nursery. 25 schools nearby.
Night-time· 23:00 – 07:00
39.4dB