71a, Cardiff Road, Watford, WD18 0DS
About 71a
71a is a semi-detached house in Watford (WD18 0DS). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (March 2018) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77).
At 37 m² it sits well below the postcode median (73 m² across 27 EPCs), making it one of the more compact homes locally. Last sale on file: £177,000 in September 2018. Across the public record there are 7 sales, relatively high churn for a single property. Across 1999–2018, sale prices on this property compounded at 7.8% per year. Today's modelled estimate of £223,000 is 26% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£444/sq ft) was about 86.5% above the typical sold price in the postcode.
Know exactly what you're buying at 71a
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
EPC Rating
Planning history
71a has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 71a
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 71a has grown more than fourfold since the 1999 starting point.
£223,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 19 years.
£177,000
Growth on file: 7.8% per year over 19 years.
Sales timeline
3 September 2018Most recent
£177,000
+27.3%over 10 years27 August 2008
£139,000
+29.9%over 3 years6 December 2004
£107,000
+10.3%over 1 year20 January 2003
£97,000
+16.9%over 12 months31 January 2002
£83,000
+53.7%over 2 years14 October 1999
£54,000
+28.6%17 June 1999
£42,000
Median price across the last 5 sales in WD18 0DS: £315,000 (2025–2024).
Nearby sales in WD18 0DS
Everything we know about 71a, 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
Floor Area for 71a lags the street by a wide margin.
Price per m²
£4,784
Street avg £4,029
Floor Area
37 m²
Street avg 55 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.4 t/year
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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