30 Caractacus Green, Watford, WD18 6JU
About 30 Caractacus Green
30 Caractacus Green is a three-bedroom semi-detached house in Watford (WD18 6JU). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (October 2020) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2010. Between certificates, lighting went from Very Poor to Average; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79). Other recorded features include outbuildings.
One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £545,000 is 14.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£525/sq ft) was about 94.2% above the typical sold price in the postcode. Sold April 2021 for £475,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 30 Caractacus Green
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
- DrivewayYes
- OutbuildingsYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
30 Caractacus Green has an approved single-storey rear extension on the planning record.
- Apr 2024ExtensionOutlineIn report
Extension: Single storey · Rear of property
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.00m for which the maximum height would be 3.00m and for which the height of the eaves would be 3.00m
- Documents
- 14 docs on file
- Reference
- 24/00301/HPD
What's in 30 Caractacus Green, Watford, WD18 6JU's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£545,000
Modelled from EPC, postcode comparables.
£475,000
Recorded with HM Land Registry.
Sales timeline
12 April 2021Most recent
£475,000
Median price across the last 5 sales in WD18 6JU: £425,000 (2024–2019).
Nearby sales in WD18 6JU
Everything we know about 30 Caractacus Green, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Caractacus Green homes
30 Caractacus Green outperforms the street on price per m² by a wide margin.
Price per m²
£5,655
Street avg £3,563
Floor Area
84 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 4.0 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Healey Road — bus stop.
Closest school
0.3 km
Willow Tree Primary School. 33 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
47.9dB

Night-time· 23:00 – 07:00
39.2dB