20a, Carnarvon Close, Chippenham, SN14 0PN
About 20a
20a is a semi-detached house in Chippenham (SN14 0PN). It has a recorded floor area of 123 m² (around 1324 sq ft) and construction records dating it to 1967-1975. At 123 m² this is the 14th smallest of 16 units on EPC record in the building, where floor areas span 48–159 m². The building's EPC ratings span F to C across 16 units on file. The latest certificate (February 2018) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 71).
At 123 m² the property is well over the postcode median (89 m² across 15 EPCs), placing it in the larger end of the local stock.
Energy performance
EPC Rating
Planning history
20a has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
20a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£274,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SN14 0PN: £316,500 (2024–2021).
Nearby sales in SN14 0PN
11 Carnarvon Close, Chippenham, SN14 0PN
Sold Feb 2024
£325,0006 Carnarvon Close, Chippenham, SN14 0PN
Sold Oct 2022
£316,5002 Carnarvon Close, Chippenham, SN14 0PN
Sold Apr 2022
£325,00020b, Carnarvon Close, Chippenham, SN14 0PN
Sold Sept 2021
£80,00019 Carnarvon Close, Chippenham, SN14 0PN
Sold Mar 2021
£310,000
Similar properties nearby
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.
Nearest stop
0.1 km
Conway Road Co-Op — bus stop.
Closest school
0.2 km
Queen's Crescent School. 13 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
49.3dB

Night-time· 23:00 – 07:00
38.9dB







