57 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
About 57 Lyonsdown Avenue
57 Lyonsdown Avenue is a seven-bedroom detached house in New Barnet, Barnet, Barnet (EN5 1DX). It has a recorded floor area of 259 m² (around 2789 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (March 2012) shows an E (score 40), well below the UK norm with real room to improve. The latest certificate is from March 2012, so improvements made since then won't be reflected.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). 7 bedrooms is on the larger side for this postcode, where 5 is the typical count. Today's modelled estimate of £1,498,000 is 49.9% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£358/sq ft) was about 23.2% below the postcode norm. Last changed hands 14 years ago, in September 2012.
Know exactly what you're buying at 57 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
- Bedrooms7
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenYes
Energy performance
57 Lyonsdown Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Mar 2022
EPC Rating
Planning history
57 Lyonsdown Avenue has an approved single-storey rear extension on the planning record.
- Jan 2023ConditionsIn report
Submission of details of conditions 5 (Tree Protection Plan) and 6 (Tree Felling/Pruning) pursuant to planning permission 22/3909/HSE dated 30/09/22
- Agent
- Studio 136 Architects Ltd
- Documents
- 8 docs on file
- Reference
- 22/5862/CON
- Sept 2022ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension
- Agent
- Studio 136 Architects Ltd
- Documents
- 10 docs on file
- Reference
- 22/3909/HSE
We flagged 1 thing worth checking at 57 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
57 Lyonsdown Avenue valuation sits well clear of the typical sold price in this postcode.
£1,498,000
Modelled from EPC, postcode comparables.
£999,000
Recorded with HM Land Registry.
Sales timeline
4 September 2012Most recent
£999,000
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 57 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
57 Lyonsdown Avenue is notably below the street on price per m².
Price per m²
£3,856
Street avg £5,878
Floor Area
259 m²
Street avg 231 m²
Habitable Rooms
10 rooms
Street avg 8 rooms
CO₂ Emissions
17.0 t/year
Street avg 10.0 t/year
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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