18 Castell Close, Hilperton, Trowbridge, BA14 7UJ
About 18 Castell Close
18 Castell Close is a four-bedroom detached house in Hilperton, Trowbridge, Trowbridge (BA14 7UJ). It has a recorded floor area of 162 m² (around 1744 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (September 2012) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from September 2012, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Across 2002–2018, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £475,000 is 26.2% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 23.9% above the typical sold price in the postcode. 8 years since the last transfer (March 2018).
Know exactly what you're buying at 18 Castell Close
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
- Bedrooms4
- Bathrooms3
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Outside
- GarageDouble, Integral
- Cul-de-sacYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Sept 2022
EPC Rating
Planning history
18 Castell Close has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 18 Castell Close
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
18 Castell Close valuation sits well clear of the typical sold price in this postcode.
£475,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 16 years.
£376,505
Growth on file: 2.7% per year over 16 years.
Sales timeline
2 March 2018Most recent
£376,505
+41.5%over 11 years12 January 2007
£266,000
+7.3%over 4 years21 August 2002
£247,995
Median price across the last 5 sales in BA14 7UJ: £502,000 (2025–2023).
Nearby sales in BA14 7UJ
24 Castell Close, Hilperton, Trowbridge, BA14 7UJ
Sold Jul 2025
£511,25025 Castell Close, Hilperton, Trowbridge, BA14 7UJ
Sold Mar 2025
£505,00014 Castell Close, Hilperton, Trowbridge, BA14 7UJ
Sold May 2024
£490,00010 Castell Close, Hilperton, Trowbridge, BA14 7UJ
Sold Mar 2023
£490,0008 Castell Close, Hilperton, Trowbridge, BA14 7UJ
Sold Dec 2022
£555,000
Everything we know about 18 Castell Close, 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 Castell Close homes
EPC Rating for 18 Castell Close lags the street by a wide margin.
Price per m²
£2,324
Street avg £2,467
Floor Area
162 m²
Street avg 163 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
CO₂ Emissions
5.4 t/year
Street avg 4.5 t/year
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1 Barbastelle Walk
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Parsonage Road — bus stop.
Closest school
0.4 km
Castle Mead School. 13 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.