Arliss Court, Flat 18, 24 Clarendon Road, Watford, WD17 1JY
About Arliss Court
Arliss Court is an end-of-terrace house in Watford (WD17 1JY). It has a recorded floor area of 22 m² (around 237 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (April 2025) shows a C (score 74). The rating has held steady at C across 2 certificates since June 2015. Between certificates, window efficiency went from Average to Good. At 22 m² this is the 2nd smallest of 51 units on EPC record in Arliss Court, where floor areas span 20–48 m². The building's EPC ratings span D to B across 51 units on file.
At 22 m² it sits well below the postcode median (32 m² across 51 EPCs), making it one of the more compact homes locally. Last sold in April 2016, so it's been off the market for around 10 years. Today's modelled estimate of £141,000 is 12.8% above the 2016 sale price.
Energy performance
Arliss Court's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Wall insulation upgraded
Planning history
Arliss Court has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 2 things worth checking at Arliss Court
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
30-day money-back guarantee
Sales history & valuation
£141,000
Modelled from EPC, postcode comparables.
£125,000
Recorded with HM Land Registry.
Sales timeline
4 April 2016Most recent
£125,000
Median price across the last 5 sales in WD17 1JY: £224,000 (2025–2023).
Nearby sales in WD17 1JY
Arliss Court, Flat 6, 24 Clarendon Road, Watford, WD17 1JY
Sold May 2025
£235,000Arliss Court, Flat 24, 24 Clarendon Road, Watford, WD17 1JY
Sold Nov 2024
£224,000Arliss Court, Flat 14, 24 Clarendon Road, Watford, WD17 1JY
Sold May 2024
£225,000Arliss Court, Flat 5, 24 Clarendon Road, Watford, WD17 1JY
Sold Mar 2024
£160,000Arliss Court, Flat 55, 24 Clarendon Road, Watford, WD17 1JY
Sold Oct 2023
£182,500
Versus other Clarendon Road homes
Floor Area for Arliss Court lags the street by a wide margin.
Price per m²
£5,682
Street avg £6,069
Floor Area
22 m²
Street avg 34 m²
Habitable Rooms
1 rooms
Street avg 2 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.2 t/year
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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
0.1 km
Clarendon Road — bus stop.
Closest school
0.1 km
Watford St John's Church of England Primary School. 35 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
56.9dB

Night-time· 23:00 – 07:00
47.6dB








