11 Guernsey House, Pioneer Way, Watford, WD18 6ST
About 11 Guernsey House
11 Guernsey House is a one-bedroom mid-terrace house in Watford (WD18 6ST). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (March 2023) shows a C (score 75), near the top of the C band. The rating has held steady at C across 3 certificates since June 2011. Between certificates, lighting went from Poor to Very Good and main heating went from Poor to Average; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. Main heating runs on electricity. At 39 m² this is the 17th smallest of 32 units on EPC record in the building, where floor areas span 29–62 m². The building's EPC ratings span E to B across 32 units on file.
Across 1997–2023, sale prices on this property compounded at 6.2% per year. On a £-per-square-foot basis, the last sale (£524/sq ft) was about 169.1% above the typical sold price in the postcode. Last sale on file: £220,000 in March 2023.
Know exactly what you're buying at 11 Guernsey 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
More low energy lighting installed
Planning history
11 Guernsey House has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
11 Guernsey House has more than quadrupled in price since its earliest registered sale in 1997.
£219,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 26 years.
£220,000
Growth on file: 6.2% per year over 26 years.
Sales timeline
24 March 2023Most recent
£220,000
+41.9%over 15 years19 November 2007
£155,000
+98.7%over 6 years29 March 2001
£78,000
+69.6%over 4 years17 February 1997
£46,000
Median price across the last 5 sales in WD18 6ST: £212,000 (2024–2021).
Nearby sales in WD18 6ST
32 Guernsey House, Pioneer Way, Watford, WD18 6ST
Sold Nov 2024
£212,0001 Guernsey House, Pioneer Way, Watford, WD18 6ST
Sold Jun 2023
£205,00026 Guernsey House, Pioneer Way, Watford, WD18 6ST
Sold Jun 2023
£250,00025 Guernsey House, Pioneer Way, Watford, WD18 6ST
Sold Feb 2023
£190,00022 Guernsey House, Pioneer Way, Watford, WD18 6ST
Sold Jun 2021
£245,000
Everything we know about 11 Guernsey 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
11 Guernsey House outperforms the street on price per m² by a wide margin.
Price per m²
£5,641
Street avg £3,513
Floor Area
39 m²
Street avg 40 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.3 t/year
Similar properties nearby
1 Guernsey House, Pioneer Way
WD18 6ST
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1 Edison Court, Franklin Avenue
WD18 6AB
1 Faraday Court, Franklin Avenue
WD18 6AD
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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
Vicarage Road — 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
49.5dB

Night-time· 23:00 – 07:00
39.8dB