37 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DX
About 37 Lyonsdown Avenue
37 Lyonsdown Avenue is a detached house in New Barnet, Barnet, Barnet (EN5 1DX). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (June 2018) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in July 2017 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Poor to Average and hot-water efficiency went from Average to Good. The recommended improvements would push it to C (score 80).
At 165 m² it sits well below the postcode median (252 m² across 12 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2018. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Across 2017–2018, sale prices on this property compounded at 54.7% per year. On a £-per-square-foot basis, the last sale (£697/sq ft) was about 54% above the typical sold price in the postcode. Most recent transfer: September 2018 at £1,237,500.
Know exactly what you're buying at 37 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
37 Lyonsdown Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Planning history
- Jan 2018Garage ConversionFullIn report
Insertion of front dormer window. Conversion of existing garage into habitable room, insertion of window to replace garage door
- Agent
- Simmons Taylor Hall
Extension- Documents
- 8 docs on file
- Reference
- 17/7353/HSE
We flagged 2 things worth checking at 37 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
- Recent ownership pattern worth a look
30-day money-back guarantee
Sales history & valuation
37 Lyonsdown Avenue changed hands twice within eighteen months — unusual for the area.
£1,282,000
Modelled from EPC, postcode comparables and a sale-price growth of 54.7% per year over 1 year.
£1,237,500
Growth on file: 54.7% per year over 1 year.
Sales timeline
6 September 2018Most recent
£1,237,500
+54.7%over 11 months1 October 2017
£800,000
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 37 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
- Recent ownership pattern worth a look

Versus other Lyonsdown Avenue homes
On price per m², 37 Lyonsdown Avenue stands well clear of the street.
Price per m²
£7,500
Street avg £5,473
Floor Area
165 m²
Street avg 239 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
CO₂ Emissions
6.4 t/year
Street avg 10.9 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