40 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
About 40 Lyonsdown Avenue
40 Lyonsdown Avenue is a detached house in New Barnet, Barnet, Barnet (EN5 1DX). It has a recorded floor area of 119 m² (around 1280 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (September 2010) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2009. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Average to Good; while window efficiency dropped from Poor to Very Poor and lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 71). The latest certificate is from September 2010, so improvements made since then won't be reflected.
At 119 m² it sits well below the postcode median (252 m² across 12 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 40 Lyonsdown Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
40 Lyonsdown Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 15 Sept 2020
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Planning history
40 Lyonsdown Avenue has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 40 Lyonsdown 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
40 Lyonsdown Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£828,000
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 EN5 1DX: £1,310,000 (2025–2021).
Nearby sales in EN5 1DX
59 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
Sold Sept 2025
£1,750,00042 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
Sold Apr 2024
£1,150,00049 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
Sold Feb 2024
£950,00043 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
Sold Sept 2022
£1,500,00055 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
Sold Mar 2021
£1,310,000
Everything we know about 40 Lyonsdown Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Lyonsdown Avenue homes
40 Lyonsdown Avenue is notably below the street on floor area.
EPC Rating
63 (D)
Street avg 58 (D)
Floor Area
119 m²
Street avg 243 m²
CO₂ Emissions
5.2 t/year
Street avg 10.9 t/year
Habitable Rooms
6 rooms
Street avg 8 rooms
Similar properties nearby
1 Dalmeny Road, New Barnet
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1 Great North Road, New Barnet
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1 Landsdown Close, New Barnet
EN5 1NU
1 Hillside, New Barnet
EN5 1LT
1 Aran Mews, New Barnet
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1 Alissa Drive, New Barnet
EN5 1FB
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Pricklers Hill — bus stop.
Closest school
1.1 km
St Mary's CofE Primary School, East Barnet. 36 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
51.3dB

Night-time· 23:00 – 07:00
41.8dB