21 Cardiff Road, Watford, WD18 0DS
About 21 Cardiff Road
21 Cardiff Road is a two-bedroom mid-terrace house in Watford (WD18 0DS). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2022) shows a C (score 69), just inside the C band. When first surveyed in May 2014 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 82).
Across 1997–2014, sale prices on this property compounded at 9.5% per year. Today's modelled estimate of £423,000 sits 62.1% above the 2014 sale of £261,000. On a £-per-square-foot basis, the last sale (£303/sq ft) was about 25.4% above the typical sold price in the postcode. 12 years since the last transfer (July 2014). Across the public record there are 4 sales, relatively high churn for a single property. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs).
Know exactly what you're buying at 21 Cardiff Road
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
What this property has
Inside
- Bedrooms2
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
21 Cardiff Road has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Cardiff Road
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
Price for 21 Cardiff Road has grown more than fourfold since the 1997 starting point.
£423,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.5% per year over 17 years.
£261,000
Growth on file: 9.5% per year over 17 years.
Sales timeline
30 July 2014Most recent
£261,000
+25.5%over 6 years12 November 2007
£208,000
+215.2%over 9 years10 September 1998
£66,000
+13.8%over 9 months5 December 1997
£58,000
Median price across the last 5 sales in WD18 0DS: £315,000 (2025–2024).
Nearby sales in WD18 0DS
Everything we know about 21 Cardiff Road, 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

Versus other Cardiff Road homes
On epc rating, 21 Cardiff Road stands well clear of the street.
Price per m²
£3,263
Street avg £3,602
Floor Area
80 m²
Street avg 80 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.7 t/year
Similar properties nearby
1 Cardiff Road
WD18 0DS
1 Chester Road
WD18 0RG
1 Durban Road East
WD18 0RN
1 Holywell Road
WD18 0HT
1 Cannon Road
WD18 0BB
1 Addison Court, St Marys View
WD18 0GR
1 Farthing Close
WD18 0BT
1 Bridgeford House, Cassio Road
WD18 0QR
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
0.3 km
Lammas Road — bus stop.
Closest school
0.2 km
Field Junior 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
53.8dB

Night-time· 23:00 – 07:00
44.6dB