55 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
About 55 Lyonsdown Avenue
55 Lyonsdown Avenue is a five-bedroom semi-detached house in New Barnet, Barnet, Barnet (EN5 1DX). It has a recorded floor area of 269 m² (around 2895 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (November 2019) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). Period features are noted in the property record.
2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 269 m² it's 15.7% larger than the typical home in the postcode (233 m² median across 12 EPCs). Across 1996–2021, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £1,539,000 is 17.5% above the 2021 sale price. Most recent transfer: March 2021 at £1,310,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 55 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
- Bedrooms5
- Bathrooms3
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Building
- Period featuresYes
Energy performance
55 Lyonsdown Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
55 Lyonsdown Avenue has an approved single-storey rear extension on the planning record.
- Sept 2023ExtensionHeritageIn report
Extension: Single storey · Rear of property
Single storey rear extension with new rear patio area. Alteration to rear dormer window
- Documents
- 3 docs on file
- Reference
- 21/4152/LBC
- Dec 2021ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension with new rear patio area (amended description)
- Agent
- Domus Architects and Project Managers Ltd
- Documents
- 9 docs on file
- Reference
- 21/4165/HSE
We flagged 1 thing worth checking at 55 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
Price for 55 Lyonsdown Avenue has grown more than fourfold since the 1996 starting point.
£1,539,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 25 years.
£1,310,000
Growth on file: 6.4% per year over 25 years.
Sales timeline
28 March 2021Most recent
£1,310,000
+367.9%over 25 years15 March 1996
£280,000
Median price across the last 5 sales in EN5 1DX: £1,237,500 (2025–2018).
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
£1,500,00037 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
Sold Sept 2018
£1,237,500
Everything we know about 55 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
55 Lyonsdown Avenue outperforms the street on floor area by a wide margin.
Price per m²
£4,870
Street avg £5,765
Floor Area
269 m²
Street avg 230 m²
Habitable Rooms
8 rooms
Street avg 8 rooms
CO₂ Emissions
10.0 t/year
Street avg 10.5 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