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Get started27 Castle Street is a three-bedroom semi-detached house in Aldbourne, Marlborough, Marlborough (SN8 2DA). It has a recorded floor area of 146 m² (around 1572 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (January 2015) shows a C (score 80), near the top of the C band. When first surveyed in January 2011 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 88). The latest certificate is from January 2015, so improvements made since then won't be reflected. Other recorded features include notable views.
Sale prices here have outpaced England HPI: 6.5% per year against 0% for the wider region. Today's modelled estimate of £493,000 is 49.4% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£210/sq ft) was about 18.2% above the typical sold price in the postcode. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 146 m² it's 15.9% larger than the typical home in the postcode (126 m² median across 14 EPCs). Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). On the market in June 2011 and unlisted since — roughly 15 years.
27 Castle Street's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 12 Jan 2025
27 Castle Street has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Proposed single storey rear extension.
27 Castle Street has more than doubled in price since the earliest registered sale in 1998.
£493,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 13 years.
£330,000
Growth on file: 6.5% per year over 13 years.
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On co₂ emissions, 27 Castle Street stands well clear of the street.
Price per m²
£2,260
Street avg £2,403
Floor Area
146 m²
Street avg 143 m²
CO₂ Emissions
2.8 t/year
Street avg 6.3 t/year
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
0.2 km

Daytime· 07:00 – 23:00
46.6dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Cavity wall insulation installed
Roof insulation improved
Floor insulation added or improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
New two-bay garage with storage above and new garden storage shed.
1 more application for this property
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24 June 2011Most recent
£330,000
+60.2%over 11 years19 June 2000
£206,000
+38.7%over 1 year16 October 1998
£148,500
Median price across the last 5 sales in SN8 2DA: £425,000 (2022–2019).
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Years Held
15 years
Street avg 16 years
SN8 2DA
The Pond — bus stop.
Closest school
0.2 km
St Michael's CofE Aided Primary. 1 school nearby.
Night-time· 23:00 – 07:00
38.6dB