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21 Colne Avenue, Watford, WD19 4JF

Property type
Semi-detached
Habitable rooms
4
From EPC
Floor area
71 m²
764 sq ft
Energy rating
C
Score 70
Council tax
Band C
Tenure
Owner Occupied
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Overview

About 21 Colne Avenue

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

21 Colne Avenue is a semi-detached house in Watford (WD19 4JF). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (September 2024) shows a C (score 70). When first surveyed in March 2023 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 86).

Before you decide

Everything you need to know about 21 Colne Avenue

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

Larger development activity nearby

Pick your report · from £14.99

One time fee only - 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
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)
Sept 2024

EPC Rating

A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.5 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 15 September 2034

7 years remaining

Property Improvements

Changes detected from historical EPC data

Sept 2024from Mar 2023
EPC improved fromD63toC70
Windows
AverageGood

Window efficiency improved

Walls
Very PoorVery Good

Wall insulation improved

Ventilation
NaturalExtract

Mechanical ventilation installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Mid 20th centurySemi-Detached HouseEPC CSolid (non-cavity) walls

Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,020 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Colne Avenue, Watford, WD19 4JF, sourced from the PlanIt planning register.

21 Colne Avenue has no planning applications on record.

4

But the area is active

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

Price

Sales history & valuation

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

21 Colne Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£416,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in WD19 4JF: £430,000 (2026–2019).

On the street

Versus other Colne Avenue homes

Four headline reads against 26 similar houses on this street, drawn from the latest EPC and Land Registry data.

21 Colne Avenue is notably below the street on floor area.

EPC Rating

70 (C)

Street avg 66 (D)

On par

Floor Area

71 m²

Street avg 82 m²

Strongly below

CO₂ Emissions

2.5 t/year

Street avg 3.2 t/year

Above

Habitable Rooms

4 rooms

Street avg 4 rooms

Below
Before you decide

Everything you need to know about 21 Colne Avenue

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

Larger development activity nearby

Pick your report · from £14.99

One time fee only - 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
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£415k

1 Beaulieu Close

WD19 4BJ

£415k

1 Colne Avenue

WD19 4JF

£405k

1 Caroline Place, Capel Road

WD19 4AF

2 bed1 bath
£370k

1 Crossmead

WD19 4JG

£503k

1 Field End Mews

WD19 4FD

£340k

1 Carlton Court, Eastbury Road

WD19 4QA

2 bed1 bath
£522k

1 Brookside Road

WD19 4BW

3 bed2 bath
£564k

1 Blackwell Drive

WD19 4HP

3 bed1 bath
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

179/mo

Falling year-on-year across the wider district.

Nearest stop

0.2 km

Long Croft — bus stop.

Closest school

0.6 km

Bromet Primary School. 34 schools nearby.

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 WD19 4JF from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for WD19 4JF

Daytime· 07:00 – 23:00

51.0dB

Low
Night-time road noise heatmap for WD19 4JF

Night-time· 23:00 – 07:00

41.8dB

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 21 Colne Avenue, Watford, WD19 4JF. Each answer is also embedded as structured data for search engines.