13 Cassiobury Drive, Watford, WD17 3AA
About 13 Cassiobury Drive
13 Cassiobury Drive is a four-bedroom detached house in Watford (WD17 3AA). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (January 2018) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in March 2016 the rating was F, the property has climbed 1 band since. The recommended improvements would lift it to C (score 73), a 2-band jump.
Most recent transfer was September 2025 at £975,000 — fresh data. At 107 m² it sits well below the postcode median (163 m² across 16 EPCs), making it one of the more compact homes locally. 9 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1998–2025, sale prices on this property compounded at 6.3% per year. On a £-per-square-foot basis, the last sale (£847/sq ft) was about 155.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- EnsuiteYes
Outside
- ParkingOff road
Building
- RefurbishedYes
Energy performance
13 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
Planning history
- Mar 2026Loft ConversionFullIn report
Proposed hip to gable roof loft conversion including front and rear dormers and x 2 front roof lights and one rear roof light, fenestration changes, rear balcony, front porch, installation of air conditioning unit and widening of front driveway. (REVISED DESCRIPTION)
ExtensionPorch- Documents
- 11 docs on file
- Reference
- 26/00046/FULH
- Jan 2022ExtensionAmendmentIn report
Non - material amendment to planning permission 21/01192/FULH - Change from two no. circular ensuite windows to small rectangular fittings, Change to approved kitchen window - reduction in cill height and Omission of recessed first floor terrace to extended rear dormer.
- Documents
- 2 docs on file
- Reference
- 21/01858/NONMAT
We flagged 1 thing worth checking at 13 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
13 Cassiobury Drive has more than quadrupled in price since its earliest registered sale in 1998.
£981,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 28 years.
£975,000
Growth on file: 6.3% per year over 28 years.
Sales timeline
29 September 2025Most recent
£975,000
+27.5%over 9 years29 March 2016
£765,000
+97.7%over 14 years15 March 2002
£387,000
+112.1%over 4 years12 March 1998
£182,500
Median price across the last 5 sales in WD17 3AA: £974,500 (2024–2019).
Nearby sales in WD17 3AA
29 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
£974,50015 Cassiobury Drive, Watford, WD17 3AA
Sold Sept 2019
£930,000
Versus other Cassiobury Drive homes
13 Cassiobury Drive outperforms the street on price per m² by a wide margin.
Price per m²
£9,112
Street avg £5,067
Floor Area
107 m²
Street avg 174 m²
Habitable Rooms
5 rooms
Street avg 8 rooms
CO₂ Emissions
8.3 t/year
Street avg 7.4 t/year
Similar properties nearby
1 Stratford Way
WD17 3DH
1 Roughwood Close
WD17 3HN
1 Bellmount Wood Avenue
WD17 3BN
1 Temple Close
WD17 3DR
10 Beechpark Way
WD17 3TY
1 Peace Drive
WD17 3XE
1 Berceau Walk
WD17 3BL
10 Bellmount Wood Avenue
WD17 3BW
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








