Skip to content

9 Trefusis Walk, Watford, WD17 3BP

Extendable2 planning records
Property type
Semi-detached
Bedrooms
3
Floor area
143 m²
1539 sq ft
Energy rating
D
Score 66
Council tax
Band F
Tenure
Owner Occupied
Overview

About 9 Trefusis Walk

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

9 Trefusis Walk is a three-bedroom semi-detached house in Watford (WD17 3BP). It has a recorded floor area of 143 m² (around 1539 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (June 2020) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (September 2009); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 75). It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.

At 143 m² it's 17.2% larger than the typical home in the postcode (122 m² median across 13 EPCs). Across 2009–2021, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £914,000 is 20.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£494/sq ft) was about 16.4% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 1 refused. Most recent transfer: February 2021 at £760,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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

  • Bedrooms3
  • Open-plan layoutYes
  • Dining roomYes

Outside

  • DrivewayYes

Building

  • Previously extendedYes
  • RefurbishedYes
  • Extension potentialPossible
Before you decide

Everything you need to know about 9 Trefusis Walk

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

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

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
  • Beautiful Places, source of nearby scenic places
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Jun 2020

EPC Rating

A
B
C
D
D66
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
5.5 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jun 2020from Sept 2009
EPC improved fromC71toD66
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
Very GoodGood

Hot water efficiency decreased

Windows
SecondaryFull Double

Windows upgraded, improving insulation

Planning

Planning history

Applications and permits filed against 9 Trefusis Walk, Watford, WD17 3BP, sourced from the PlanIt planning register.

9 Trefusis Walk has 2 separate extension applications on the council record.

  1. May 2010
    ExtensionFull
    In report

    Extension: Part single, part two storey · Side and rear of property

    Erection of a single storey side and two storey rear extension and the associated roof over the proposed extension

    Agent
    Spud Architects
    Documents
    31 docs on file
    Reference
    10/00380/FULH
    View planning record
  2. Apr 2010
    ExtensionFull
    In report

    Extension: Part single, part two storey · Side and rear of property

    Two storey side and part single, part two storey rear extension

    Documents
    61 docs on file
    Reference
    10/00167/FULH
    View planning record
Before you offer

We flagged 1 thing worth checking at 9 Trefusis Walk

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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Sale price has at least doubled since 2009.

Current estimate

£914,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 11 years.

See how we calculated this
Last sold (2021)

£760,000

Growth on file: 6.5% per year over 11 years.

Sales timeline

  1. 10 February 2021Most recent

    £760,000

    +102.7%over 11 years
  2. 10 December 2009

    £375,000

Median price across the last 5 sales in WD17 3BP: £750,000 (2021–2018).

On the street

Versus other Trefusis Walk homes

Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.

Habitable Rooms for 9 Trefusis Walk lags the street by a wide margin.

Price per m²

£5,315

Street avg £4,827

Above

Floor Area

143 m²

Street avg 152 m²

Above

Habitable Rooms

3 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

5.5 t/year

Street avg 4.9 t/year

Strongly below
Before you decide

Everything you need to know about 9 Trefusis Walk

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

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

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
  • Beautiful Places, source of nearby scenic places
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.

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

10/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Langley Way — bus stop.

Closest school

0.2 km

Cassiobury Junior School. 34 schools nearby.

Go deeper on the local area

The full 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 3BP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for WD17 3BP

Daytime· 07:00 – 23:00

45.7dB

Low
Night-time road noise heatmap for WD17 3BP

Night-time· 23:00 – 07:00

37.6dB

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

Common questions

The questions buyers, sellers and homeowners most often ask about 9 Trefusis Walk, Watford, WD17 3BP. Each answer is also embedded as structured data for search engines.