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Get started21 Downsmead is a four-bedroom semi-detached house in Baydon, Marlborough, Marlborough (SN8 2LQ). It has a recorded floor area of 172 m² (around 1851 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (June 2022) returns a high B (score 87), putting the home a stone's throw from an A rating.
Sale prices here have outpaced England HPI: 7.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£300/sq ft) was about 42.4% above the typical sold price in the postcode. At 172 m² the property is well over the postcode median (125 m² across 32 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Sold January 2023 for £555,000.
21 Downsmead has been extended on multiple sides of the property across separate planning applications.
Extension: Single storey · Rear of property
Removal of existing conservatory, proposed new single storey rear extension, Extension to garage and associated internal alterations
Price for 21 Downsmead has grown more than fourfold since the 1997 starting point.
£535,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 25 years.
£555,000
Growth on file: 7.5% per year over 25 years.
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On epc rating, 21 Downsmead stands well clear of the street.
Price per m²
£3,227
Street avg £2,970
Floor Area
172 m²
Street avg 118 m²
Habitable Rooms
8 rooms
Street avg 5 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
48.9dB

Extension: Single storey · Rear of property
Single storey rear extension
1 more application for this property
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4 January 2023Most recent
£555,000
+113.5%over 18 years28 June 2004
£260,000
+195.6%over 6 years25 July 1997
£87,950
Median price across the last 5 sales in SN8 2LQ: £546,500 (2025–2022).
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Detailed EPC data
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Full planning history
Every application and decision on record
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CO₂ Emissions
2.4 t/year
Street avg 4.3 t/year
SN8 2QE
Downsmead — bus stop.
Closest school
0.4 km
Baydon St Nicholas Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
40.6dB