Calstone House, Calstone, Calne, SN11 8PY
About Calstone House
Calstone House is a detached house in Calstone, Calne, Calne (SN11 8PY). It has a recorded floor area of 329 m² (around 3541 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (March 2022) shows an E (score 40), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 85), a 3-band jump. Main heating runs on oil.
Across 2017–2024, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £1,056,000 is 55.6% below the 2024 sale of £2,380,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£672/sq ft) was about 38.6% above the typical sold price in the postcode. At 329 m² the property is well over the postcode median (73 m² across 5 EPCs), placing it in the larger end of the local stock. 8 planning records sit against the property, 6 approved, 0 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. Sold March 2024 for £2,380,000.
Know exactly what you're buying at Calstone House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Calstone House's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Calstone House has 2 separate extension applications on the council record.
- Jul 2025ConditionsIn report
Discharge of condition 4 joinery, roof, roof lights, render of planning application PL/2025/00533 (Proposed ground floor extension to the west end of the north elevation. New/ replacement windows/ doors and new rooflights)
- Reference
- PL/2025/05293
- Mar 2025ExtensionHeritageIn report
Proposed ground floor extension to the west end of the north elevation. New/replacement windows/doors and new rooflights.
New Windows- Documents
- 22 docs on file
- Reference
- PL/2025/00533
We flagged 1 thing worth checking at Calstone 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
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Sales history & valuation
£1,056,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 7 years.
£2,380,000
Growth on file: 6.5% per year over 7 years.
Sales timeline
18 March 2024Most recent
£2,380,000
+53.5%over 6 years31 May 2017
£1,550,000
Median price across the last 3 sales in SN11 8PY: £580,000 (2023–2006).
Everything we know about Calstone House, 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 the street
Calstone House outperforms the street on floor area by a wide margin.
EPC Rating
40 (E)
Street avg 37 (F)
Floor Area
329 m²
Street avg 107 m²
CO₂ Emissions
18.0 t/year
Street avg 9.5 t/year
Habitable Rooms
10 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Manor Farm — bus stop.
Closest school
1.9 km
Cherhill CofE 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
41.5dB
Night-time· 23:00 – 07:00
35.4dB