25 Lyonsdown Avenue, New Barnet, Barnet, EN5 1DU
About 25 Lyonsdown Avenue
25 Lyonsdown Avenue is a five-bedroom semi-detached house in New Barnet, Barnet, Barnet (EN5 1DU). It has a recorded floor area of 174 m² (around 1871 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (February 2009) shows a D (score 55), a step below the typical UK home. The latest certificate is from February 2009, so improvements made since then won't be reflected. Other recorded features include notable views.
5 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension and tree works, meaningful when judging how the property has evolved. Across 2009–2017, sale prices on this property compounded at 8.6% per year. On a £-per-square-foot basis, the last sale (£668/sq ft) was about 37.1% above the typical sold price in the postcode. Last changed hands 9 years ago, in July 2017.
Know exactly what you're buying at 25 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
- Bathrooms2
- Dining roomYes
Outside
- Private gardenYes
- ParkingOff street
- Notable viewsYes
Energy performance
25 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This certificate is over 10 years old and is no longer valid.Expired 17 Feb 2019
EPC Rating
Planning history
25 Lyonsdown Avenue has been through 4 approved planning applications — a well-evolved property.
- Oct 2018ExtensionConditionsIn report
Variation of condition 1 (Plan Numbers) 6 (Window/Doors) pursuant to planning permission 17/5684/HSE dated 30/10/2017 for `Part single, part two storey side extension. Single storey rear extension. Replacement of pitched roof above rear extension with flat roof.` Amendment include additional ground floor toilet windows with obsured glazing and 2no rooflights to side elevation
- Agent
- Studio Cad Projects Ltd
- Documents
- 9 docs on file
- Reference
- 18/5370/S73
- Aug 2018ExtensionAmendmentIn report
Non material amendment to planning permission 17/5684/HSE dated 30/10/17 for `Part single, part two storey side extension. Single storey rear extension. Replacement of pitched roof above rear extension with flat roof.` Amendments include additional ground floor obscure glazed window and 2no rooflights to side elevation
- Agent
- Studio Cad Projects Ltd
- Documents
- 7 docs on file
- Reference
- 18/4789/NMA
We flagged 1 thing worth checking at 25 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
25 Lyonsdown Avenue valuation sits well clear of the typical sold price in this postcode.
£1,270,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 8 years.
£1,250,000
Growth on file: 8.6% per year over 8 years.
Sales timeline
6 July 2017Most recent
£1,250,000
+89.3%over 7 years22 October 2009
£660,500
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 25 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
Years Held for 25 Lyonsdown Avenue runs comfortably ahead of the street norm.
Price per m²
£7,192
Street avg £6,413
Floor Area
174 m²
Street avg 175 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
8.4 t/year
Street avg 9.7 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
0.1 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