12 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
About 12 Lyonsdown Avenue
12 Lyonsdown Avenue is a semi-detached house in New Barnet, Barnet, Barnet (EN5 1DU). It has a recorded floor area of 187 m² (around 2013 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (March 2017) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 75).
One planning record on file: an extension approved in 2018. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. At 187 m² it's 18.4% larger than the typical home in the postcode (158 m² median across 10 EPCs).
Know exactly what you're buying at 12 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
12 Lyonsdown Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Apr 2018DemolitionFullIn report
Extension: Part single, part two storey · Side and rear of property
Demolition of existing single storey rear extension and garage and construction of a part single, part two storey side/rear extension. Alterations to fenestration. new canopy to front entrance
- Agent
- A.J Ferryman & Associates
Extension- Documents
- 6 docs on file
- Reference
- 18/1452/HSE
We flagged 1 thing worth checking at 12 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
12 Lyonsdown Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,076,000
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 1DU: £1,150,000 (2023–2019).
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
£896,00018 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
Sold Jan 2022
£1,150,00021 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
Sold Nov 2019
£1,300,000
Everything we know about 12 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
EPC Rating
57 (D)
Street avg 54 (E)
Floor Area
187 m²
Street avg 174 m²
CO₂ Emissions
8.9 t/year
Street avg 9.7 t/year
Habitable Rooms
7 rooms
Street avg 7 rooms
Similar properties nearby
1 Holyrood Road, New Barnet
EN5 1DQ
1 Dinsdale Gardens, New Barnet
EN5 1HE
1 Hasluck Gardens, New Barnet
EN5 1HS
1 Landsdown Close, New Barnet
EN5 1NU
1 Eversleigh Road
EN5 1NE
1 Dalmeny Road, New Barnet
EN5 1DE
1 Amber Close, New Barnet
EN5 1FD
1 Great North Road, New Barnet
EN5 1EG
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