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Get started27 Ashtree Way is a four-bedroom detached house in Hemel Hempstead (HP1 1QS). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (May 2023) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since April 2012. Between certificates, roof efficiency went from Good to Very Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79). Other recorded features include notable views. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 5.4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£501/sq ft) was about 45.4% above the typical sold price in the postcode. One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: May 2024 at £750,000.
27 Ashtree Way's carbon output runs well above what efficient homes in the postcode produce.
Council records include a two-storey front extension at 27 Ashtree Way.
Extension: Two storey · Front of property
Two story front extension to create a wider garage and wider house entrance.
27 Ashtree Way has more than quadrupled in price since its earliest registered sale in 1997.
£758,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 27 years.
£750,000
Growth on file: 5.4% per year over 27 years.
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On years held, 27 Ashtree Way runs well behind the street norm.
Price per m²
£5,396
Street avg £4,491
Floor Area
139 m²
Street avg 151 m²
Habitable Rooms
6 rooms
Street avg 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

Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
24 May 2024Most recent
£750,000
+42.9%over 11 years3 December 2012
£525,000
+194.9%over 15 years4 April 1997
£178,000
Median price across the last 5 sales in HP1 1QS: £840,000 (2025–2023).
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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
6.4 t/year
Street avg 6.2 t/year
HP1 1PW
Closest school
0.4 km
St Rose's Catholic Infant School. 19 schools nearby.
Night-time· 23:00 – 07:00
39.0dB