4 Union House, Union Square, St Columb, TR9 6AP
About 4 Union House
4 Union House is a semi-detached house in St Columb (TR9 6AP). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to before 1900 and council tax band A. At 51 m² this is the 4th smallest of 7 units on EPC record in the building, where floor areas span 34–63 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (April 2024) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2009. Between certificates, window efficiency went from Very Poor to Poor, lighting went from Average to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity.
At 51 m² it's 21.5% smaller than the typical home in the postcode (65 m² median across 16 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
4 Union House has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Union House
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
4 Union House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£144,000
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 TR9 6AP: £135,000 (2022–2019).
Nearby sales in TR9 6AP
The Liberal Club, Flat 1, Union Square, St Columb, TR9 6AP
Sold Jun 2022
£120,000The Liberal Club, Flat 5, Union Square, St Columb, TR9 6AP
Sold Aug 2021
£170,000The Liberal Club, Flat 2, Union Square, St Columb, TR9 6AP
Sold Jul 2021
£135,000Glencairn, Union Square, St Columb, TR9 6AP
Sold Mar 2020
£885,000The Liberal Club, Flat 4, Union Square, St Columb, TR9 6AP
Sold Jan 2019
£135,000
Versus other Union Square homes
EPC Rating
52 (E)
Street avg 64 (D)
Floor Area
51 m²
Street avg 61 m²
CO₂ Emissions
4.4 t/year
Street avg 3.2 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
1 Bank Street
TR9 6AT
1 Carters Court, Higher East Street
TR9 6RJ
1 Barton Terrace, Barton Lane, Fraddon
TR9 6LP
1 Bosworgey Close
TR9 6SH
1 Chapel Road, Indian Queens
TR9 6LA
1 Chapel Court, Chapel Road, Indian Queens
TR9 6LE
1 Barley House, Union Square
TR9 6AP
1 Chapel Mews
TR9 6FJ
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Old Cattle Market — bus stop.
Closest school
0.5 km
St Columb Major Academy. 1 school 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
50.1dB

Night-time· 23:00 – 07:00
41.4dB







