18b, Western Mansions, Great North Road, New Barnet, Barnet, EN5 1AE
About 18b
18b is a property in New Barnet, Barnet, Barnet (EN5 1AE). It has a recorded floor area of 23 m² (around 243 sq ft), construction records dating it to 1996-2002 and council tax band A. At 23 m² this is the smallest unit on EPC record across the building (23–63 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2011) shows a C (score 74). The latest certificate is from May 2011, so improvements made since then won't be reflected.
At 23 m² it sits well below the postcode median (52 m² across 41 EPCs), making it one of the more compact homes locally. Across 2007–2014, sale prices on this property compounded at 1.5% per year. Today's modelled estimate of £205,000 is 18.5% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£711/sq ft) was about 81.8% above the typical sold price in the postcode. Last sold in November 2014, so it's been off the market for around 12 years.
Know exactly what you're buying at 18b
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
18b's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 May 2021
EPC Rating
Planning history
18b has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 18b
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
£205,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.5% per year over 7 years.
£173,000
Growth on file: 1.5% per year over 7 years.
Sales timeline
3 November 2014Most recent
£173,000
+11.6%over 7 years22 May 2007
£155,000
Median price across the last 5 sales in EN5 1AE: £247,000 (2025–2022).
Nearby sales in EN5 1AE
9 Western Mansions, Great North Road, New Barnet, Barnet, EN5 1AE
Sold Apr 2025
£210,0004 Western Mansions, Great North Road, New Barnet, Barnet, EN5 1AE
Sold Apr 2025
£206,35010 Western Mansions, Great North Road, New Barnet, Barnet, EN5 1AE
Sold Mar 2025
£247,0003 Western Mansions, Great North Road, New Barnet, Barnet, EN5 1AE
Sold Nov 2023
£250,00024a, Western Mansions, Great North Road, New Barnet, Barnet, EN5 1AE
Sold Jun 2022
£273,000
Everything we know about 18b, 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 Western Mansions homes
On price per m², 18b stands well clear of the street.
Price per m²
£7,655
Street avg £4,413
Floor Area
23 m²
Street avg 50 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
0.9 t/year
Street avg 1.9 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
0.0 km
Barnet Everyman Cinema — bus stop.
Closest school
0.3 km
Ark Pioneer Academy. 30 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
53.6dB

Night-time· 23:00 – 07:00
44.0dB