21 Baydon Grove, Calne, SN11 9AT
About 21 Baydon Grove
21 Baydon Grove is a four-bedroom mid-terrace house in Calne (SN11 9AT). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (May 2023) shows a C (score 75), near the top of the C band. When first surveyed in September 2011 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 87).
At 105 m² it's 26.5% larger than the typical home in the postcode (83 m² median across 31 EPCs). Across 1997–2023, sale prices on this property compounded at 6.5% per year. On a £-per-square-foot basis, the last sale (£245/sq ft) was about 48% above the typical sold price in the postcode. Last sale on file: £277,000 in August 2023. One historical planning record sits against the property in 2021.
Know exactly what you're buying at 21 Baydon Grove
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Dining roomYes
- StudyYes
Outside
- Private gardenYes
- Parkingoff_road
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Planning history
- Sept 2021Tree WorksTreesIn report
Lyme tree - Reduce back to a safe height and width.
- Documents
- 4 docs on file
- Reference
- PL/2021/09210
What's in 21 Baydon Grove, Calne, SN11 9AT's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Latest sale on 21 Baydon Grove was the highest on Land Registry record across the postcode.
£300,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 26 years.
£277,000
Growth on file: 6.5% per year over 26 years.
Sales timeline
24 August 2023Most recent
£277,000
+99.3%over 9 years22 July 2014
£139,000
+10.3%over 9 years7 April 2005
£126,000
+133.3%over 7 years14 October 1997
£54,000
Median price across the last 5 sales in SN11 9AT: £222,000 (2025–2023).
Everything we know about 21 Baydon Grove, 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 Baydon Grove homes
21 Baydon Grove outperforms the street on epc rating by a wide margin.
Price per m²
£2,638
Street avg £2,167
Floor Area
105 m²
Street avg 85 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.1 t/year
Similar properties nearby
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
Rochdale Avenue — bus stop.
Closest school
0.3 km
Marden Vale CofE Academy. 6 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
48.0dB

Night-time· 23:00 – 07:00
37.6dB