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33 Cassiobury Drive, Watford, WD17 3AA

Estimated value

£1,145,000

  • Since the 2017 sale (£950,000)+21%
  • Against WD17 3AA's recent median (£975,000)+17%

Newest record on this page: September 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Detached
Bedrooms
4
Floor area
152 m²
1636 sq ft
Energy rating
E
Score 54
Council tax
Band G
Tenure
Owner Occupied
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£1,145,000

  • Against its 2017 sale (£950,000)+21%
  • Against WD17 3AA's recent median (£975,000)+17%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 33 Cassiobury Drive is modelled from its 152 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in WD17 3AA. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    152 m² from the EPC lodged in October 2016

  • Sales of this home

    1 sale recorded, the latest in 2017

  • Recent sales in WD17 3AA

    5 sales, median £975,000 (2025–2019)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: September 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

33 Cassiobury Drive valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 17 August 2017Most recent

    £950,000

Median price across the last 5 sales in WD17 3AA: £975,000 (2025–2019).

Risks

What this page doesn't show

1 potential issue has already been flagged for 33 Cassiobury Drive, Watford, WD17 3AA. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

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Overview

About 33 Cassiobury Drive

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

33 Cassiobury Drive is a four-bedroom detached house in Watford (WD17 3AA). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (October 2016) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump.

Today's modelled estimate of £1,145,000 is 20.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£581/sq ft) was about 74.1% above the typical sold price in the postcode. Last sold in August 2017, so it's been off the market for around 9 years.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms4
  • Dining roomYes
  • Utility roomYes
  • CloakroomYes

Outside

  • Private gardenYes
  • GarageYes
Before you decide

Everything you need to know about 33 Cassiobury Drive

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

33 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 23 Oct 2026

Current Certificate
Oct 2016

EPC Rating

A
B
C
D
E
E54
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
7.9 t/year
Occupancy
Owner Occupied

Certificate validity

Expired on 23 October 2026

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against 33 Cassiobury Drive, Watford, WD17 3AA, sourced from the PlanIt planning register.

33 Cassiobury Drive has no planning applications on record.

1

But the area is active

1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.

On the street

Versus other Cassiobury Drive homes

Four headline reads against 16 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m²

£6,250

Street avg £5,258

Above

Floor Area

152 m²

Street avg 171 m²

On par

Habitable Rooms

7 rooms

Street avg 7 rooms

On par

CO₂ Emissions

7.9 t/year

Street avg 7.5 t/year

On par
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Watford district page.
Full Watford report

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.

Nearest schools

  • West Herts College16 plus194m
  • Lanchester Primary SchoolPrimary212m
  • Chater Infant SchoolPrimary528m
  • Watford Grammar School for BoysSecondary620m

Nearest stops

  • Cassiobury Park AvenueBus stop182m
  • Cassiobury Park AvenueBus stop236m
  • Town HallBus stop337m
  • Shepherds RoadBus stop390m

Most reported crime locally

  • Violence & Sexual Offences1,094 reports29%
  • Anti-social Behaviour733 reports20%
  • Shoplifting489 reports13%
  • Other Theft287 reports8%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around WD17 3AA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for WD17 3AA

Daytime· 07:00 – 23:00

52.4dB

Low
Night-time road noise heatmap for WD17 3AA

Night-time· 23:00 – 07:00

43.3dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraDetached HouseEPC EPre-1919 buildSolid (non-cavity) walls

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

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£1.0m

1 Stratford Way

WD17 3DH

4 bed
£1.0m

1 Roughwood Close

WD17 3HN

4 bed2 bath
£1.3m

1 Temple Close

WD17 3DR

4 bed2 bath
£850k

1 Bellmount Wood Avenue

WD17 3BN

4 bed
£720k

10 Beechpark Way

WD17 3TY

4 bed
£1.1m

1 Richmond Drive

WD17 3BQ

5 bed3 bath
£890k

1 Peace Drive

WD17 3XE

5 bed
£832k

10 Bellmount Wood Avenue

WD17 3BW

3 bed1 bath

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 33 Cassiobury Drive is modelled from its 152 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in WD17 3AA. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 1 sale is recorded for 33 Cassiobury Drive. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 33 Cassiobury Drive was lodged in October 2016 at band E and expired in October 2026, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 33 Cassiobury Drive. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 14 months, which places each incident at an approximate point. The 35 schools and 30 stops listed are measured in a straight line from WD17 3AA, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
33 Cassiobury Drive is in council tax band G. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 33 Cassiobury Drive, Watford, WD17 3AA. Each answer is also embedded as structured data for search engines.

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