31 Cassiobury Drive, Watford, WD17 3AA
About 31 Cassiobury Drive
31 Cassiobury Drive is a five-bedroom detached house in Watford (WD17 3AA). It has a recorded floor area of 180 m² (around 1938 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (February 2012) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 55). The latest certificate is from February 2012, so improvements made since then won't be reflected.
Across 2005–2012, sale prices on this property compounded at 3.6% per year. Today's modelled estimate of £1,352,000 sits 58.1% above the 2012 sale of £855,000. On a £-per-square-foot basis, the last sale (£441/sq ft) was about 33.2% above the typical sold price in the postcode. At 180 m² it's 19.2% larger than the typical home in the postcode (151 m² median across 16 EPCs). On the market in May 2012 and unlisted since — roughly 14 years. 5 planning records sit against the property, 1 approved, 0 refused.
What this property has
Inside
- Bedrooms5
Energy performance
31 Cassiobury Drive's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Feb 2022
EPC Rating
Certificate validity
Expired on 13 February 2022
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Council records include a part-single-part-two-storey side and rear extension at 31 Cassiobury Drive.
5 applications on record at 31 Cassiobury Drive, Watford, WD17 3AA
- Jul 2012ExtensionFullOutcome in report
Extension: Part single, part two storey · Side and rear of property
Erection of part single storey and part double storey side and rear extension.
- Documents
- 65 docs on file
- Reference
- 12/00457/FULH
- More recent applications — locked
- Garage ConversionJul 2022Decision
- Garage ConversionJan 2022Decision
+ 2 more applications in the report
Unlock 31 Cassiobury Drive, Watford, WD17 3AA's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (5 on record)
- All 5 applications on this property in full, plus 1 notable nearby
- The 115 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
31 Cassiobury Drive valuation sits well clear of the typical sold price in this postcode.
£1,352,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 7 years.
£855,000
Growth on file: 3.6% per year over 7 years.
Sales timeline
29 May 2012Most recent
£855,000
+28.6%over 7 years30 March 2005
£665,000
Median price across the last 5 sales in WD17 3AA: £975,000 (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
£850,00019 Cassiobury Drive, Watford, WD17 3AA
Sold Dec 2020
£1,410,00039 Cassiobury Drive, Watford, WD17 3AA
Sold Sept 2019
£974,500
Versus other Cassiobury Drive homes
On co₂ emissions, 31 Cassiobury Drive runs well behind the street norm.
Price per m²
£4,750
Street avg £5,358
Floor Area
180 m²
Street avg 169 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
8.5 t/year
Street avg 7.4 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
266/mo
Falling 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
A Local Area 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







