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EPC B
About 21 Courtleigh Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Courtleigh Avenue is a four-bedroom detached house in Barnet (EN4 0HT). It has a recorded floor area of 384 m² (around 4133 sq ft), construction records dating it to 1950-1966 and council tax band H. The latest certificate (April 2023) returns a B (score 82), comfortably above the UK average. When first surveyed in June 2018 the rating was F, the property has climbed 4 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. Main heating runs on electricity.
At 384 m² the property is well over the postcode median (179 m² across 10 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. Today's modelled estimate of £2,505,000 sits 98% above the 2021 sale of £1,265,000. On a £-per-square-foot basis, the last sale (£306/sq ft) was about 23.9% below the postcode norm. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, a porch, new windows and an annexe, meaningful when judging how the property has evolved. Sold June 2021 for £1,265,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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
- Bathrooms3
- Dining roomYes
Outside
- Private garden
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21 Courtleigh Avenue ranks among the most efficient homes in the postcode for energy use.
Current Certificate(1 of 2)
Apr 2023
EPC Rating
A
B
B82
C
D
E
F
G
Main Heating
Heat Pump
Main Fuel
Electric
Hot Water
Poor
Windows
Average
CO2 Emissions
4.7 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 21 Courtleigh Avenue, Barnet, EN4 0HT, sourced from the PlanIt planning register.
- Jun 2023PorchFullGranted
Extension: Part single, part two storey · Front of property
Part single, part 2-storey front extension incorporating a front entrance porch, part single, part 2-storey rear extension, together with demolishment of single storey side extension, with extension and height increase to roof with rear and side dormer windows, rooflights at front, side and rear, replacement of existing windows at rear and additional flank window ( RETROSPECTIVE)
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
Current estimate
See how we calculated this£2,505,000
Modelled from EPC, postcode comparables.
Last sold (2021)
£1,265,000
Recorded with HM Land Registry.
Sales timeline
Versus other Courtleigh Avenue homes
Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.
21 Courtleigh Avenue is notably below the street on years held.
Price per m²
£3,294
Street avg £4,397
Floor Area
384 m²
Street avg 192 m²
Habitable Rooms
8 rooms
Street avg 8 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Barnet district page.
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Duchy Road — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around EN4 0HT from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
49.7dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 42 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Courtleigh Avenue, Barnet, EN4 0HT. Each answer is also embedded as structured data for search engines.