18 Union Street, Barnet, EN5 4HZ
About 18 Union Street
18 Union Street is a mid-terrace house in Barnet (EN5 4HZ). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (March 2020) shows a C (score 70). The recommended improvements would push it to B (score 90).
At 81 m² the property is well over the postcode median (62 m² across 28 EPCs), placing it in the larger end of the local stock. One planning record on file: change of use to residential approved in 2003. Past consents include change of use to residential, meaningful when judging how the property has evolved.
Know exactly what you're buying at 18 Union Street
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
EPC Rating
Planning history
- Jun 2003Change of UseFullIn report
Change of use from offices (Class B1) to residential unit (Class C3).
- Documents
- 2 docs on file
- Reference
- N07303C/03
We flagged 2 things worth checking at 18 Union Street
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
18 Union Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£528,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in EN5 4HZ: £477,500 (2024–2022).
Everything we know about 18 Union Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Union Street homes
On epc rating, 18 Union Street stands well clear of the street.
EPC Rating
70 (C)
Street avg 60 (D)
Floor Area
81 m²
Street avg 74 m²
CO₂ Emissions
2.9 t/year
Street avg 4.4 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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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
Salisbury Road — bus stop.
Closest school
0.3 km
Barnet and Southgate College. 16 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
51.6dB

Night-time· 23:00 – 07:00
42.3dB