23 Elm Avenue, Watford, WD19 4BD
About 23 Elm Avenue
23 Elm Avenue is a three-bedroom detached house in Watford (WD19 4BD). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (November 2020) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in March 2017 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. Other recorded features include a conservatory. The home occupies a corner plot and a cul-de-sac position.
2 planning records sit against the property, 1 approved, 0 refused, 1 pending. Past consents include an extension, meaningful when judging how the property has evolved. An active application for a loft conversion is awaiting a decision. Across 2017–2021, sale prices on this property compounded at 7.4% per year. On a £-per-square-foot basis, the last sale (£639/sq ft) was about 37.2% above the typical sold price in the postcode. Last sale on file: £695,000 in March 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- ConservatoryYes
Outside
- Summer houseYes
- Corner plotYes
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
More low energy lighting installed
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Jun 2021Loft ConversionAmendmentIn report
Lawful development certificate for proposed hip to gable loft conversion with rear dormer and x3 front roof lights
- Documents
- 4 docs on file
- Reference
- 21/00869/LDC
- Oct 2017ExtensionAmendmentIn report
Extension: Single storey · Rear of property
Lawful Development Certificate for proposed single storey flat roof rear extension.
- Documents
- 6 docs on file
- Reference
- 17/01153/LDC
We flagged 1 thing worth checking at 23 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
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£749,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 4 years.
£695,000
Growth on file: 7.4% per year over 4 years.
Sales timeline
3 March 2021Most recent
£695,000
+29.9%over 3 years28 June 2017
£535,000
Median price across the last 5 sales in WD19 4BD: £660,000 (2025–2011).
Versus other Elm Avenue homes
Price per m² for 23 Elm Avenue runs comfortably ahead of the street norm.
Price per m²
£6,881
Street avg £5,687
Floor Area
101 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.4 t/year
Street avg 6.3 t/year
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The neighbourhood at a glance
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.
Road noise across the postcode

Daytime· 07:00 – 23:00
46.3dB

Night-time· 23:00 – 07:00
38.8dB








