66a, High Street, Watford, WD17 2BS
About 66a
66a is a mid-terrace house in Watford (WD17 2BS). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (April 2019) shows an E (score 48), well below the UK norm with real room to improve. When first surveyed in August 2018 the rating was F, the property has climbed 1 band since. Between certificates, main heating went from Very Poor to Average; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to D (score 66). Main heating runs on electricity. At 54 m² this is the 14th smallest of 26 units on EPC record in the building, where floor areas span 38–116 m². The building's EPC ratings span F to B across 26 units on file.
It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
Everything you need to know about 66a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 1 April 2029
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Hot water efficiency decreased
Windows upgraded, improving insulation
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
66a has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
66a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£214,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in WD17 2BS: £1,915,000 (2023–2016).
Nearby sales in WD17 2BS
Versus other High Street homes
CO₂ Emissions for 66a lags the street by a wide margin.
EPC Rating
48 (E)
Street avg 67 (D)
Floor Area
54 m²
Street avg 57 m²
CO₂ Emissions
5.5 t/year
Street avg 2.5 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 66a
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
266/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Clarendon Road — bus stop.
Closest school
0.2 km
Watford St John's Church of England Primary School. 34 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
57.1dB
Night-time· 23:00 – 07:00
48.1dB