What type of property is 21 Elm Avenue, WD19 4BD?

21 Elm Avenue, WD19 4BD is a 4-bedroom detached house, which has been extended.

When did 21 Elm Avenue, WD19 4BD last change hands?

21 Elm Avenue, WD19 4BD last sold for £660,000 in March 2023, around 3 years ago. Before that, it sold for £442,500 in September 2008, so prices have been rising over 15 years on record. Source: HM Land Registry.

How has the value of 21 Elm Avenue, WD19 4BD changed over time?

Across 2 sales between September 2008 and March 2023, 21 Elm Avenue, WD19 4BD rose from £442,500 to £660,000, a change of £217,500. That works out to roughly +2.8% per year compounded over 15 years. Source: HM Land Registry.

How energy efficient is 21 Elm Avenue, WD19 4BD?

The current EPC rating for 21 Elm Avenue, WD19 4BD is E with a score of 49 out of 100, lodged in February 2019. The assessor estimates the property could reach a C. Source: EPC Register.

What is the floor area of 21 Elm Avenue, WD19 4BD?

21 Elm Avenue, WD19 4BD has a recorded floor area of 109 m² (1,173 sq ft), around 27 m² per bedroom. That makes it about 8% larger than the median EPC-recorded property in WD19 4BD. Source: EPC Register.

How is 21 Elm Avenue, WD19 4BD heated?

The latest EPC at 21 Elm Avenue, WD19 4BD records mains gas as the main heating fuel. Source: EPC Register.

What planning history does 21 Elm Avenue, WD19 4BD have?

The most recent planning decision at 21 Elm Avenue, WD19 4BD was a refusal for single-storey extension (ref. 21/01512/FULH) in December 2021. Source: PlanIt planning register.

What council tax band is 21 Elm Avenue, WD19 4BD?

21 Elm Avenue, WD19 4BD is in council tax band E.

Where is 21 Elm Avenue, WD19 4BD located?

21 Elm Avenue, WD19 4BD sits in Watford. It falls within the WD19 postcode district in Hertfordshire.

What is crime like near 21 Elm Avenue, WD19 4BD?

Police records around 21 Elm Avenue, WD19 4BD show an average of 4 reported crimes per month over the last 9 months. Violent crime makes up roughly 48% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

Which schools serve 21 Elm Avenue, WD19 4BD?

The closest primary school to 21 Elm Avenue, WD19 4BD is Bromet Primary School (707m), one of 26 primaries within walking distance. The closest secondary is The Grange Academy (1.1km), with 5 secondaries in the surrounding area.

What is the nearest station to 21 Elm Avenue, WD19 4BD?

The closest bus stop to 21 Elm Avenue, WD19 4BD is Sherwoods Road, 212m away. The nearest rail option is Bushey Rail Station, 886m away.

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21 Elm Avenue, Watford, WD19 4BD

2 planning records

Property type

Detached

Bedrooms

Bathroom

Floor area

109 m²

1173 sq ft

Energy rating

Score 49

Council tax

Band E

Tenure

Owner Occupied

Overview

About 21 Elm Avenue

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

21 Elm Avenue is a four-bedroom detached house in Watford (WD19 4BD). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2019) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. Records show the property has been extended at some point in its history.

2 planning records sit against the property, 0 approved, 1 refused, 1 pending. An application is currently awaiting a decision. Across 2008–2023, sale prices on this property compounded at 2.8% per year. Today's modelled estimate of £727,000 is 10.2% above the 2023 sale price. Last sale on file: £660,000 in March 2023.

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
Bathrooms1
Dining roomYes
CloakroomYes
EnsuiteYes

Outside

Private gardenYes
ParkingOff street

Building

Previously extendedYes

Before you decide

Everything you need to know about 21 Elm Avenue

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

Larger development activity nearbyA planning decision worth checking

£14.99one-off

30-day money-back guarantee

The data behind every report

Energy

Energy performance

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

21 Elm Avenue's carbon output runs well above what efficient homes in the postcode produce.

EPC Rating

E49

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

6.7 t/year

Occupancy

Owner Occupied

Planning

Planning history

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

A recent planning application at 21 Elm Avenue was refused — worth checking the council file.

Dec 2021
ExtensionFull
In report
Extension: Single storey
Proposed works to existing dwelling to include amendments to main roof, including changes to roof pitch and ridge height, new dormer and velux windows to main roof, new front gable window at first floor level, and addition of new pitched roof to replace existing flat roof to existing single storey side extension (amended description)
Documents
13 docs on file
Reference
21/01512/FULH
View planning record
Jun 2021
New BuildFull
In report
Erection of 2 Bedroom Detached Dwelling (amended description)
Documents
16 docs on file
Reference
21/00930/FUL
View planning record

Before you offer

We flagged 2 things worth checking at 21 Elm Avenue

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
A planning decision worth checking

£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.

21 Elm Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£727,000

Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 15 years.

See how we calculated this

Last sold (2023)

£660,000

Growth on file: 2.8% per year over 15 years.

Sales timeline

30 March 2023Most recent
£660,000
+49.2%over 14 years
16 September 2008
£442,500

Median price across the last 5 sales in WD19 4BD: £695,000 (2025–2016).

Nearby sales in WD19 4BD

On the street

Versus other Elm Avenue homes

Four headline reads against 6 similar houses on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 21 Elm Avenue lags the street by a wide margin.

Price per m²

£6,055

Street avg £5,852

Strongly above

Floor Area

109 m²

Street avg 109 m²

On par

Habitable Rooms

6 rooms

Street avg 5 rooms

Above

CO₂ Emissions

6.7 t/year

Street avg 5.9 t/year

Below

Before you decide

Everything you need to know about 21 Elm Avenue

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

Larger development activity nearbyA planning decision worth checking

£14.99one-off

30-day money-back guarantee

The data behind every report

Comparables

Similar properties nearby

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

£802k

1 Elm Avenue

WD19 4BD

4 bed2 bath

£1.0m

1 Eley Place

WD19 4FQ

4 bed3 bath

£737k

1 Cedar Road

WD19 4QP

3 bed2 bath

£746k

1 Brookdene Avenue

WD19 4LG

3 bed1 bath

£580k

1 Brookmill Close

WD19 4BB

3 bed

£518k

1 Brookside Road

WD19 4BW

3 bed2 bath

£504k

1 Blackwell Drive

WD19 4HP

3 bed1 bath

£413k

1 Caroline Place, Capel Road

WD19 4AF

2 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

4/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Sherwoods Road — bus stop.

Closest school

0.7 km

Bromet Primary School. 31 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 WD19 4BD from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

46.3dB

Low

Night-time road noise heatmap for WD19 4BD

Night-time· 23:00 – 07:00

38.8dB

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 Elm Avenue, Watford, WD19 4BD. Each answer is also embedded as structured data for search engines.