21 Norfolk Avenue, Watford, WD24 7DZ
About 21 Norfolk Avenue
21 Norfolk Avenue is a semi-detached house in Watford (WD24 7DZ). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2023) returns a B (score 84), comfortably above the UK average. When first surveyed in November 2022 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good.
On energy efficiency it sits in the top 10% of properties in this postcode.
Energy performance
21 Norfolk Avenue ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 13 September 2033
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Floor insulation added or improved
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
21 Norfolk Avenue has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Norfolk Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£549,000
Modelled from EPC, postcode comparables.
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 WD24 7DZ: £570,000 (2026–2017).
Nearby sales in WD24 7DZ
Versus other Norfolk Avenue homes
On epc rating, 21 Norfolk Avenue stands well clear of the street.
EPC Rating
84 (B)
Street avg 58 (D)
Floor Area
90 m²
Street avg 98 m²
CO₂ Emissions
1.7 t/year
Street avg 5.0 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
123/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Hibbert Avenue — bus stop.
Closest school
0.2 km
Knutsford Primary Academy. 33 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.8dB

Night-time· 23:00 – 07:00
41.9dB







