21 Castell Close, Hilperton, Trowbridge, BA14 7UJ
About 21 Castell Close
21 Castell Close is a detached house in Hilperton, Trowbridge, Trowbridge (BA14 7UJ). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (November 2016) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Across 2002–2017, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £505,000 is 23.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£253/sq ft) was about 45.1% above the typical sold price in the postcode. 9 years since the last transfer (February 2017).
Know exactly what you're buying at 21 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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
21 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 21 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
21 Castell Close valuation sits well clear of the typical sold price in this postcode.
£505,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 14 years.
£408,000
Growth on file: 3.5% per year over 14 years.
Sales timeline
10 February 2017Most recent
£408,000
+63.9%over 14 years22 November 2002
£248,995
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 21 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
21 Castell Close is notably below the street on epc rating.
Price per m²
£2,720
Street avg £2,446
Floor Area
150 m²
Street avg 164 m²
Habitable Rooms
8 rooms
Street avg 8 rooms
CO₂ Emissions
5.0 t/year
Street avg 4.5 t/year
Similar properties nearby
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BA14 7LN
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1 Beatrice Way
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BA14 7TW
1 Cherry Gardens, Hilperton
BA14 7RH
1 Centenary Close, Hilperton
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1 Cedar Tree Close, Hilperton
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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.