21 Arran Close, Hemel Hempstead, HP3 8TQ
About 21 Arran Close
21 Arran Close is a four-bedroom end-of-terrace house in Hemel Hempstead (HP3 8TQ). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (April 2023) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in October 2012 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Good to Very Good. The recommended improvements would push it to C (score 80). Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
At 100 m² it's 18.7% larger than the typical home in the postcode (84 m² median across 16 EPCs). Across 2013–2023, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £461,000 is 13.3% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£378/sq ft) was about 83.5% above the typical sold price in the postcode. Sold June 2023 for £407,000.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenYes
- Cul-de-sacYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
EPC Rating
Certificate validity
Valid until 5 April 2033
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Roof insulation improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
21 Arran 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 21 Arran Close was the highest on Land Registry record across the postcode.
£461,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 10 years.
£407,000
Growth on file: 6.9% per year over 10 years.
Sales timeline
29 June 2023Most recent
£407,000
+96.6%over 10 years1 May 2013
£207,000
Median price across the last 5 sales in HP3 8TQ: £182,000 (2025–2021).
Nearby sales in HP3 8TQ
17 Arran Close, Hemel Hempstead, HP3 8TQ
Sold Apr 2025
£131,50014 Arran Close, Hemel Hempstead, HP3 8TQ
Sold Aug 2024
£182,0006 Arran Close, Hemel Hempstead, HP3 8TQ
Sold Mar 2024
£365,00012 Arran Close, Hemel Hempstead, HP3 8TQ
Sold Feb 2022
£170,5007 Arran Close, Hemel Hempstead, HP3 8TQ
Sold Sept 2020
£327,500
Versus other Arran Close homes
21 Arran Close outperforms the street on floor area by a wide margin.
Price per m²
£4,070
Street avg £3,023
Floor Area
100 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.9 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
211/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Barra Close — bus stop.
Closest school
0.5 km
Longdean School. 18 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
48.3dB

Night-time· 23:00 – 07:00
39.9dB







