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Get started16 John Alder Close is a five-bedroom detached house in Chiseldon, Swindon, Swindon (SN4 0JL). It has a recorded floor area of 178 m² (around 1916 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (September 2024) shows a C (score 77), near the top of the C band. The recommended improvements would push it to B (score 84).
Sale prices here have outpaced Swindon HPI: 2.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£339/sq ft) was about 44.2% above the typical sold price in the postcode. At 178 m² the property is well over the postcode median (87 m² across 11 EPCs), placing it in the larger end of the local stock. Most recent transfer was February 2025 at £650,000 — fresh data. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
16 John Alder Close has been extended on multiple sides of the property across separate planning applications.
Extension: Single storey · Rear of property
Erection of a single storey rear extension.
Latest sale on 16 John Alder Close was the highest on Land Registry record across the postcode.
£665,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 22 years.
£650,000
Growth on file: 2.8% per year over 22 years.
On epc rating, 16 John Alder Close stands well clear of the street.
Price per m²
£3,652
Street avg £3,162
Floor Area
178 m²
Street avg 111 m²
Habitable Rooms
6 rooms
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

Daytime· 07:00 – 23:00
46.3dB

Extension: Single storey · Side and rear of property
Erection of a single storey side/rear extension.
21 February 2025Most recent
£650,000
+83.1%over 22 years13 December 2002
£355,000
Median price across the last 5 sales in SN4 0JL: £425,000 (2025–2021).
Street avg 6 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.6 t/year
SN4 0AQ
Patriots Arms — bus stop.
Closest school
0.8 km
Chiseldon Primary & Nursery School. 2 schools nearby.
Night-time· 23:00 – 07:00
38.6dB
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