19 Cassiobury Drive, Watford, WD17 3AA
About 19 Cassiobury Drive
19 Cassiobury Drive is a five-bedroom detached house in Watford (WD17 3AA). It has a recorded floor area of 280 m² (around 3014 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (September 2020) shows a C (score 69), just inside the C band. When first surveyed in April 2013 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81). Other recorded features include a basement.
At 280 m² the property is well over the postcode median (151 m² across 16 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 2013–2020, sale prices on this property compounded at 8% per year. Today's modelled estimate of £1,569,000 is 11.3% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£468/sq ft) was about 39.2% above the typical sold price in the postcode. Sold December 2020 for £1,410,000.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Dining roomYes
- EnsuiteYes
- BasementYes
Outside
- Private gardenYes
- GarageYes
Building
- RefurbishedYes
Energy performance
19 Cassiobury Drive's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Planning history
- Feb 2014FullIn report
Removal of existing front dormer and erection of a new front dormer.
- Documents
- 10 docs on file
- Reference
- 14/00167/FULH
- Dec 2013Loft ConversionAmendmentIn report
Extension: Single storey · Rear of property
Lawful Development Certificate for erection of single storey rear extension and loft conversion with rear dormer.
Extension- Documents
- 29 docs on file
- Reference
- 13/01097/LDC
We flagged 1 thing worth checking at 19 Cassiobury Drive
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Latest sale on 19 Cassiobury Drive was the highest on Land Registry record across the postcode.
£1,569,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 7 years.
£1,410,000
Growth on file: 8.0% per year over 7 years.
Sales timeline
9 December 2020Most recent
£1,410,000
+77.4%over 7 years9 July 2013
£795,000
Median price across the last 5 sales in WD17 3AA: £974,500 (2025–2019).
Nearby sales in WD17 3AA
13 Cassiobury Drive, Watford, WD17 3AA
Sold Sept 2025
£975,00029 Cassiobury Drive, Watford, WD17 3AA
Sold Apr 2024
£1,021,00021 Cassiobury Drive, Watford, WD17 3AA
Sold Nov 2022
£850,00039 Cassiobury Drive, Watford, WD17 3AA
Sold Sept 2019
£974,50015 Cassiobury Drive, Watford, WD17 3AA
Sold Sept 2019
£930,000
Versus other Cassiobury Drive homes
Floor Area for 19 Cassiobury Drive runs comfortably ahead of the street norm.
Price per m²
£5,036
Street avg £5,339
Floor Area
280 m²
Street avg 163 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
8.9 t/year
Street avg 7.4 t/year
Similar properties nearby
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
0.2 km
Cassiobury Park Avenue — bus stop.
Closest school
0.2 km
West Herts College. 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
52.4dB

Night-time· 23:00 – 07:00
43.3dB








