4 Grassy Close, Hemel Hempstead, HP1 3QR
About 4 Grassy Close
4 Grassy Close is a semi-detached house in Hemel Hempstead (HP1 3QR). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (June 2023) shows a C (score 70). The rating has held steady at C across 2 certificates since December 2011. Between certificates, lighting went from Good 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 B (score 85).
At 96 m² it's 15.7% larger than the typical home in the postcode (83 m² median across 11 EPCs). On a £-per-square-foot basis, the last sale (£437/sq ft) was about 64.1% above the typical sold price in the postcode. Last sale on file: £452,000 in March 2024.
Energy performance
EPC Rating
Certificate validity
Valid until 20 June 2033
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
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Planning history
4 Grassy Close has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 4 Grassy Close was the highest on Land Registry record across the postcode.
£446,000
Modelled from EPC, postcode comparables.
£452,000
Recorded with HM Land Registry.
Sales timeline
5 March 2024Most recent
£452,000
Median price across the last 5 sales in HP1 3QR: £420,000 (2025–2019).
Nearby sales in HP1 3QR
11 Grassy Close, Hemel Hempstead, HP1 3QR
Sold Aug 2025
£430,0002a, Grassy Close, Hemel Hempstead, HP1 3QR
Sold Oct 2022
£435,0002 Grassy Close, Hemel Hempstead, HP1 3QR
Sold Feb 2022
£415,00012 Grassy Close, Hemel Hempstead, HP1 3QR
Sold Nov 2014
£249,00013 Grassy Close, Hemel Hempstead, HP1 3QR
Sold Jan 2012
£183,500
Versus other Grassy Close homes
4 Grassy Close is notably below the street on habitable rooms.
Price per m²
£4,708
Street avg £3,247
Floor Area
96 m²
Street avg 97 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.7 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
245/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Peartree Road — bus stop.
Closest school
0.1 km
Micklem Primary School. 24 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
49.5dB

Night-time· 23:00 – 07:00
39.1dB







