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Get started15 Charles Street is a four-bedroom detached house in Hemel Hempstead (HP1 1JH). It has a recorded floor area of 140 m² (around 1507 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (January 2022) shows a C (score 71). When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. The recommended improvements would push it to B (score 81). The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 4.2% per year against 0% for the wider region. Today's modelled estimate of £700,000 is 11.3% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£417/sq ft) was about 19.8% above the typical sold price in the postcode. At 140 m² the property is well over the postcode median (67 m² across 23 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £629,000 in June 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
15 Charles Street has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Single storey rear extension.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£700,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 13 years.
£629,000
Growth on file: 4.2% per year over 13 years.
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Detailed AI analysis
15 Charles Street outperforms the street on habitable rooms by a wide margin.
Price per m²
£4,493
Street avg £4,275
Floor Area
140 m²
Street avg 109 m²
Habitable Rooms
8 rooms
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hemel Hempstead School — bus stop.

Daytime· 07:00 – 23:00
54.5dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Are we missing something? Tell us about home improvements to help adjust your valuation.
24 June 2022Most recent
£629,000
+67.7%over 12 years27 October 2009
£375,000
Median price across the last 5 sales in HP1 1JH: £300,000 (2023–2021).
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Southville 6 9 Charles Street Hemel Hempstead
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Detailed EPC data
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Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
4.7 t/year
Street avg 5.1 t/year
HP1 1SD
Closest school
0.2 km
The Hemel Hempstead School. 31 schools nearby.
Night-time· 23:00 – 07:00
44.6dB