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Get started18 Ashtree Way is a five-bedroom detached house in Hemel Hempstead (HP1 1QS). It has a recorded floor area of 247 m² (around 2659 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (August 2017) shows a C (score 75), near the top of the C band. The recommended improvements would push it to B (score 82). Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 6.9% per year against 0% for the wider region. Today's modelled estimate of £1,106,000 is 14% above the 2018 sale price. At 247 m² the property is well over the postcode median (129 m² across 15 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, a porch and a conservatory, meaningful when judging how the property has evolved. Sold August 2018 for £970,000.
18 Ashtree Way's carbon output runs well above what efficient homes in the postcode produce.
Multiple extension applications run across more than a decade of planning history at 18 Ashtree Way.
Extension: Single storey · Rear of property
Single storey rear extension
Latest sale on 18 Ashtree Way was the highest on Land Registry record across the postcode.
£1,106,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 15 years.
£970,000
Growth on file: 6.9% per year over 15 years.
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18 Ashtree Way outperforms the street on epc rating by a wide margin.
Price per m²
£3,927
Street avg £4,596
Floor Area
247 m²
Street avg 144 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

Extension: Two storey
Two storey front extension, first floor front and side extension and front canopy
1 more application for this property
Join to see all planning history.
14 August 2018Most recent
£970,000
+177.1%over 15 years17 April 2003
£350,000
Median price across the last 5 sales in HP1 1QS: £750,000 (2025–2024).
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Street avg 7 rooms
CO₂ Emissions
6.7 t/year
Street avg 6.2 t/year
HP1 1NJ
Closest school
0.4 km
St Rose's Catholic Infant School. 19 schools nearby.
Night-time· 23:00 – 07:00
39.0dB