21 Windmill Road, Hemel Hempstead, HP2 4BJ
About 21 Windmill Road
21 Windmill Road is a semi-detached house in Hemel Hempstead (HP2 4BJ). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (April 2012) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from April 2012, so improvements made since then won't be reflected.
Today's modelled estimate of £416,000 sits 66.4% above the 2012 sale of £249,995. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, a porch and partial demolition, meaningful when judging how the property has evolved. Last changed hands 14 years ago, in August 2012.
Everything you need to know about 21 Windmill Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 16 Apr 2022
EPC Rating
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Planning history
A recent planning application at 21 Windmill Road was refused — worth checking the council file.
3 applications on record at 21 Windmill Road, Hemel Hempstead, HP2 4BJ
- Mar 2015PorchFullOutcome in report
Extension: Two storey · Side of property
Two storey side extension and front porch. Demolish existing single storey side extension and outbuilding
ExtensionDemolition- Documents
- 13 docs on file
- Reference
- 4/00452/15/FHA
- More recent applications — locked
- OutbuildingJan 2026Decision
- ExtensionJan 2026Decision
Unlock 21 Windmill Road, Hemel Hempstead, HP2 4BJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 4 notable nearby
- The 43 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Windmill Road valuation sits well clear of the typical sold price in this postcode.
£416,000
Modelled from EPC, postcode comparables.
£249,995
Recorded with HM Land Registry.
Sales timeline
30 August 2012Most recent
£249,995
Median price across the last 5 sales in HP2 4BJ: £380,000 (2022–2017).
Nearby sales in HP2 4BJ
9 Windmill Road, Hemel Hempstead, HP2 4BJ
Sold Feb 2022
£437,00012 Windmill Road, Hemel Hempstead, HP2 4BJ
Sold Oct 2021
£415,0003 Windmill Road, Hemel Hempstead, HP2 4BJ
Sold Dec 2018
£350,00016 Windmill Road, Hemel Hempstead, HP2 4BJ
Sold Nov 2017
£357,00018 Windmill Road, Hemel Hempstead, HP2 4BJ
Sold Aug 2017
£380,000
Versus other Windmill Road homes
Price per m² for 21 Windmill Road lags the street by a wide margin.
Price per m²
£2,688
Street avg £3,631
Floor Area
93 m²
Street avg 97 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.8 t/year
Everything you need to know about 21 Windmill Road
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
School — bus stop.
Closest school
0.2 km
The Adeyfield Academy. 31 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.8dB

Night-time· 23:00 – 07:00
42.6dB






