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Get started21 Furlong Way is a four-bedroom detached house in Great Amwell, Ware, Ware (SG12 9TE). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (March 2023) shows a C (score 73). The recommended improvements would push it to B (score 84). The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 5.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£546/sq ft) was about 70.5% above the typical sold price in the postcode. A recent sale: £717,000 in January 2025. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved.
A a garage conversion application was refused at 21 Furlong Way in 2021.
Garage conversion into habitable room with replacement of door for window.
Sale price has at least doubled since 2008.
£736,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 16 years.
£717,000
Growth on file: 5.5% per year over 16 years.
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Price per m² for 21 Furlong Way runs comfortably ahead of the street norm.
Price per m²
£5,877
Street avg £4,071
Floor Area
122 m²
Street avg 138 m²
Habitable Rooms
8 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Lower Road — bus stop.

Daytime· 07:00 – 23:00
48.4dB

Conversion of garage with replacement of door for window
29 January 2025Most recent
£717,000
+40.6%over 8 years2 August 2016
£509,905
+70.0%over 7 years1 October 2008
£300,000
Median price across the last 5 sales in SG12 9TE: £760,000 (2025–2022).
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Every application and decision on record
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Street avg 7 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.8 t/year
SG12 9RB
Closest school
0.8 km
St John the Baptist Voluntary Aided Church of England Primary School. 17 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
40.6dB