18 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
About 18 Lyonsdown Avenue
18 Lyonsdown Avenue is a four-bedroom semi-detached house in New Barnet, Barnet, Barnet (EN5 1DU). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (August 2021) shows a D (score 57), a step below the typical UK home. The recommended improvements would lift it to B (score 83), a 2-band jump. Other recorded features include outbuildings.
One planning record on file: an extension approved in 2020. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£803/sq ft) was about 82% above the typical sold price in the postcode. At 133 m² it's 20.3% smaller than the typical home in the postcode (167 m² median across 10 EPCs). Last sale on file: £1,150,000 in January 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 18 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
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenYes
- OutbuildingsYes
Building
- RefurbishedYes
Energy performance
18 Lyonsdown Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
18 Lyonsdown Avenue has an approved single-storey side and rear extension on the planning record.
- Apr 2020ExtensionFullIn report
Extension: Single storey · Side and rear of property
Single storey side/rear extension (amended description)
- Agent
- Lees Architects Ltd
- Documents
- 6 docs on file
- Reference
- 20/1309/HSE
We flagged 1 thing worth checking at 18 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,234,000
Modelled from EPC, postcode comparables.
£1,150,000
Recorded with HM Land Registry.
Sales timeline
27 January 2022Most recent
£1,150,000
Median price across the last 5 sales in EN5 1DU: £1,050,000 (2023–2018).
Nearby sales in EN5 1DU
27 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
Sold Aug 2023
£1,750,00026 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
Sold Oct 2022
£1,050,0004 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
Sold Apr 2022
£896,00021 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
Sold Nov 2019
£1,300,0007 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
Sold Nov 2018
£907,000
Everything we know about 18 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
18 Lyonsdown Avenue is notably below the street on floor area.
Price per m²
£8,647
Street avg £6,251
Floor Area
133 m²
Street avg 179 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
6.5 t/year
Street avg 9.9 t/year
Similar properties nearby
1 Landsdown Close, New Barnet
EN5 1NU
1 Dalmeny Road, New Barnet
EN5 1DE
1 Hasluck Gardens, New Barnet
EN5 1HS
1 County Gate, New Barnet
EN5 1EH
1 Dinsdale Gardens, New Barnet
EN5 1HE
1 Holyrood Road, New Barnet
EN5 1DQ
1 Great North Road, New Barnet
EN5 1EG
1 Eversleigh Road
EN5 1NE
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
0.1 km
Lyonsdown Avenue — bus stop.
Closest school
1.1 km
St Mary's CofE Primary School, East Barnet. 33 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
52.1dB

Night-time· 23:00 – 07:00
41.7dB