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Get started17 Ashtree Way is a five-bedroom detached house in Hemel Hempstead (HP1 1QS). It has a recorded floor area of 188 m² (around 2023 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (October 2011) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 65). The latest certificate is from October 2011, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 4.6% per year against 0% for the wider region. Today's modelled estimate of £817,000 sits 52.7% above the 2012 sale of £535,000. On a £-per-square-foot basis, the last sale (£264/sq ft) was about 24.2% below the postcode norm. At 188 m² the property is well over the postcode median (129 m² across 15 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. 14 years since the last transfer (May 2012).
17 Ashtree Way's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 21 Oct 2021
Council records include a two-storey rear extension at 17 Ashtree Way.
Extension: Two storey · Rear of property
Two storey rear extension
17 Ashtree Way valuation sits well clear of the typical sold price in this postcode.
£817,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 10 years.
£535,000
Growth on file: 4.6% per year over 10 years.
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Detailed AI analysis
Price per m² for 17 Ashtree Way lags the street by a wide margin.
Price per m²
£2,846
Street avg £4,673
Floor Area
188 m²
Street avg 148 m²
Habitable Rooms
7 rooms
Rail-style transport is unusually close for this postcode.
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Prince Park — bus stop.

Daytime· 07:00 – 23:00
50.0dB

18 May 2012Most recent
£535,000
+55.1%over 9 years19 July 2002
£345,000
Median price across the last 5 sales in HP1 1QS: £750,000 (2025–2024).
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Street avg 7 rooms
CO₂ Emissions
11.0 t/year
Street avg 5.9 t/year
HP1 1QP
Closest school
0.4 km
St Rose's Catholic Infant School. 19 schools nearby.
Night-time· 23:00 – 07:00
39.0dB