20d, Rosslyn Road, Watford, WD18 0JY
About 20d
20d is a mid-terrace house in Watford (WD18 0JY). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1991-1995. The latest certificate (August 2025) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (April 2015); the latest reading is one band lower. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Poor; while wall efficiency dropped from Very Good to Good and roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 88), a 3-band jump. Main heating runs on electricity.
At 55 m² it's 27.9% larger than the typical home in the postcode (43 m² median across 21 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Know exactly what you're buying at 20d
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
20d sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Planning history
20d has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 20d
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
30-day money-back guarantee
Sales history & valuation
20d has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£313,000
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 WD18 0JY: £242,000 (2023–2015).
Nearby sales in WD18 0JY
Flat 9, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2023
£250,000Flat 3, 14 Rosslyn Road, Watford, WD18 0JY
Sold Dec 2021
£242,000Flat 11, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2016
£243,000Flat 2, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2015
£191,000Flat 1, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2015
£206,500
Everything we know about 20d, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
Similar properties nearby
1 Bridgeford House, Cassio Road
WD18 0QR
1 Farthing Close
WD18 0BT
1 Crakers Mead, Rosslyn Road
WD18 0JZ
1 Clark Mews
WD18 0HG
1 Benskin Road
WD18 0HN
1 Beaumont Place, Brightwell Road
WD18 0AJ
1 Christie Court
WD18 0LA
1 Ballinger Court, Halsey Road
WD18 0JR
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Town Hall — bus stop.
Closest school
0.4 km
Watford St John's Church of England Primary School. 36 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
55.9dB
Night-time· 23:00 – 07:00
46.6dB