41 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
About 41 Lyonsdown Avenue
41 Lyonsdown Avenue is a five-bedroom detached house in New Barnet, Barnet, Barnet (EN5 1DX). It has a recorded floor area of 179 m² (around 1927 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (May 2017) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump.
4 planning records sit against the property, 2 approved, 1 refused, 1 pending. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. At 179 m² it's 28.8% smaller than the typical home in the postcode (252 m² median across 12 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Today's modelled estimate of £1,325,000 is 15.5% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£596/sq ft) was about 31.9% above the typical sold price in the postcode. On the market in March 2018 and unlisted since — roughly 8 years.
Know exactly what you're buying at 41 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
- EnsuiteYes
Outside
- Private gardenRear
- GarageIntegral
Energy performance
41 Lyonsdown Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
An application for a single-storey rear extension is currently awaiting a decision.
- Dec 2025ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension with new raised patio area and associated access steps
- Agent
- AE Building Design and Surveying
- Documents
- 13 docs on file
- Reference
- 25/5008/HSE
- Sept 2018DemolitionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension following demolition of existing conservatory
- Agent
- Derek Lofty & Associates
Extension- Documents
- 7 docs on file
- Reference
- 18/4581/HSE
We flagged 1 thing worth checking at 41 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
41 Lyonsdown Avenue valuation sits well clear of the typical sold price in this postcode.
£1,325,000
Modelled from EPC, postcode comparables.
£1,147,500
Recorded with HM Land Registry.
Sales timeline
19 March 2018Most recent
£1,147,500
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 41 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
41 Lyonsdown Avenue outperforms the street on habitable rooms by a wide margin.
Price per m²
£6,411
Street avg £5,594
Floor Area
179 m²
Street avg 238 m²
Habitable Rooms
10 rooms
Street avg 8 rooms
CO₂ Emissions
9.3 t/year
Street avg 10.6 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