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 £454,000 is 11.5% 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
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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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.
£454,000
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
3/mo
Steady 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







