Flat 15, 1 Clarendon Road, Watford, WD17 1LB
About Flat 15
Flat 15 is a property in Watford (WD17 1LB). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (January 2026) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in January 2014 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Poor; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 70). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 71 m² this is the 20th smallest of 21 units on EPC record in the building, where floor areas span 40–71 m². The building's EPC ratings span E to C across 21 units on file.
At 71 m² the property is well over the postcode median (49 m² across 20 EPCs), placing it in the larger end of the local stock.
Everything you need to know about Flat 15
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Flat 15's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Planning history
Flat 15 has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 2 things worth checking at Flat 15
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Flat 15 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£253,000
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.
Versus other Clarendon Road homes
Habitable Rooms for Flat 15 runs comfortably ahead of the street norm.
EPC Rating
60 (D)
Street avg 62 (D)
Floor Area
71 m²
Street avg 52 m²
CO₂ Emissions
1.0 t/year
Street avg 2.5 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Everything you need to know about Flat 15
The true value, the hidden risks and the full sale history, in one report.
30-day 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
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 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
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
57.0dB
Night-time· 23:00 – 07:00
47.8dB