4 Union Street, Bishops Castle, SY9 5AJ
About 4 Union Street
4 Union Street is a two-bedroom mid-terrace house in Bishops Castle (SY9 5AJ). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (February 2026) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Average. The recommended improvements would lift it to B (score 84), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 47 m² it sits well below the postcode median (86 m² across 19 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £178,000 is 22.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£287/sq ft) was about 95.9% above the typical sold price in the postcode. Last sale on file: £145,000 in June 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2004.
Know exactly what you're buying at 4 Union Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenRear
- GarageYes
Energy performance
4 Union Street's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
Hot water system upgraded
Single glazing replaced with double or better glazing
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
More low energy lighting installed
Solar water heating installed
Hot water efficiency decreased
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Heat pump installed, significantly improving energy efficiency
Hot water system changed
Planning history
- Jul 2004Tree WorksTreesIn report
Felling and other works to trees (Re-advertised, amended site address)
- Reference
- SS/1/04/15829/TC
What's in 4 Union Street, Bishops Castle, SY9 5AJ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£178,000
Modelled from EPC, postcode comparables.
£145,000
Recorded with HM Land Registry.
Sales timeline
17 June 2021Most recent
£145,000
Median price across the last 5 sales in SY9 5AJ: £280,000 (2023–2018).
Nearby sales in SY9 5AJ
Apple Garth, Union Street, Bishops Castle, SY9 5AJ
Sold Sept 2023
£495,00031 Union Street, Bishops Castle, SY9 5AJ
Sold May 2022
£230,00030 Union Street, Bishops Castle, SY9 5AJ
Sold Feb 2022
£270,00019 Union Street, Bishops Castle, SY9 5AJ
Sold Mar 2021
£375,0007 Union Street, Bishops Castle, SY9 5AJ
Sold Feb 2015
£157,000
Everything we know about 4 Union Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Union Street homes
4 Union Street is notably below the street on floor area.
Price per m²
£3,085
Street avg £2,083
Floor Area
47 m²
Street avg 104 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
0.7 t/year
Street avg 6.8 t/year
Similar properties nearby
1 Lea Cottages
SY9 5HZ
1 Grange Court, Kerry Lane
SY9 5FD
1 Castle Street
SY9 5BU
1 Drews Leasow
SY9 5EW
1 High Street
SY9 5BE
1 Grange Gardens, Church Lane
SY9 5AF
1 Bastick House, Bull Lane
SY9 5DA
1 Billingsley Close
SY9 5PB
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Closest school
0.2 km
Bishops Castle Primary School. 2 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
48.3dB

Night-time· 23:00 – 07:00
40.3dB