10 Arran House, Pioneer Way, Watford, WD18 6SU
About 10 Arran House
10 Arran House is a one-bedroom end-of-terrace house in Watford (WD18 6SU). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1991-1995 and council tax band C. At 37 m² this is the 7th smallest of 18 units on EPC record in the building, where floor areas span 29–62 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (October 2024) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2017. Between certificates, wall efficiency went from Average to Good, window efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Poor; while main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity.
It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Across 1996–2024, sale prices on this property compounded at 5.6% per year. On a £-per-square-foot basis, the last sale (£485/sq ft) was about 155% above the typical sold price in the postcode. Sold October 2024 for £193,000.
Know exactly what you're buying at 10 Arran House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
Wall insulation upgraded
More low energy lighting installed
Planning history
10 Arran House has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
10 Arran House has more than quadrupled in price since its earliest registered sale in 1996.
£202,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 28 years.
£193,000
Growth on file: 5.6% per year over 28 years.
Sales timeline
17 October 2024Most recent
£193,000
+58.2%over 20 years8 June 2004
£122,000
+190.5%over 7 years8 September 1996
£41,995
Median price across the last 5 sales in WD18 6SU: £185,000 (2023–2014).
Nearby sales in WD18 6SU
13 Arran House, Pioneer Way, Watford, WD18 6SU
Sold Dec 2023
£205,0007 Arran House, Pioneer Way, Watford, WD18 6SU
Sold Nov 2018
£190,00018 Arran House, Pioneer Way, Watford, WD18 6SU
Sold Jun 2018
£185,00012 Arran House, Pioneer Way, Watford, WD18 6SU
Sold Feb 2015
£140,0002 Arran House, Pioneer Way, Watford, WD18 6SU
Sold Jan 2014
£175,000
Everything we know about 10 Arran House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Pioneer Way homes
10 Arran House is notably below the street on years held.
Price per m²
£5,216
Street avg £3,266
Floor Area
37 m²
Street avg 40 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.5 t/year
Street avg 2.6 t/year
Similar properties nearby
1 Guernsey House, Pioneer Way
WD18 6ST
1 Caractacus Cottage View
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1 Arran House, Pioneer Way
WD18 6SU
1 Brownsea House, Crusader Way
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1 Edison Court, Franklin Avenue
WD18 6AB
1 Faraday Court, Franklin Avenue
WD18 6AD
1 Deakin Close
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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
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Explorer Drive — bus stop.
Closest school
0.3 km
Laurance Haines School. 33 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.6dB

Night-time· 23:00 – 07:00
39.9dB