23 Diamond Road, Watford, WD24 5EN
About 23 Diamond Road
23 Diamond Road is a three-bedroom mid-terrace house in Watford (WD24 5EN). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1900-1929 and council tax band C. Other recorded features include outbuildings. Our model identifies extension potential, subject to local planning policy. The latest certificate (July 2021) shows a C (score 74). The recommended improvements would push it to B (score 84).
At 111 m² the property is well over the postcode median (80 m² across 21 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension approved in 2015. Past consents include an extension, meaningful when judging how the property has evolved. Across 2004–2022, sale prices on this property compounded at 5.2% per year. On a £-per-square-foot basis, the last sale (£381/sq ft) was about 60.1% above the typical sold price in the postcode. Last sale on file: £455,000 in March 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- CloakroomYes
Outside
- Private gardenSouth-facing
- OutbuildingsYes
Building
- Extension potentialPossible
Energy performance
23 Diamond Road ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Planning history
- Jan 2015ExtensionAmendmentIn report
Extension: Rear of property
Lawful Development Certificate for a rear dormer, insertion of two rooflights to front elevation and single storey rear extension.
- Documents
- 13 docs on file
- Reference
- 14/01661/LDC
What's in 23 Diamond Road, Watford, WD24 5EN's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
23 Diamond Road has more than doubled in price since the earliest registered sale in 2004.
£500,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 18 years.
£455,000
Growth on file: 5.2% per year over 18 years.
Sales timeline
18 March 2022Most recent
£455,000
+145.9%over 17 years21 April 2004
£185,000
Median price across the last 5 sales in WD24 5EN: £432,500 (2025–2024).
Nearby sales in WD24 5EN
Versus other Diamond Road homes
23 Diamond Road outperforms the street on epc rating by a wide margin.
Price per m²
£4,099
Street avg £4,084
Floor Area
111 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.9 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Shakespeare Street — bus stop.
Closest school
0.4 km
Nascot Wood Infant and Nursery School. 35 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
50.0dB

Night-time· 23:00 – 07:00
39.9dB








