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Get started8 Castle Street is a three-bedroom mid-terrace house in Aldbourne, Marlborough, Marlborough (SN8 2DA). It has a recorded floor area of 161 m² (around 1733 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (April 2016) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in December 2009 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 80). The latest certificate is from April 2016, so improvements made since then won't be reflected. Period features are noted in the property record.
Sale prices here have outpaced England HPI: 3.8% per year against 0% for the wider region. Today's modelled estimate of £528,000 is 44.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£211/sq ft) was about 18.5% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 161 m² it's 27.8% larger than the typical home in the postcode (126 m² median across 14 EPCs). Last changed hands 10 years ago, in February 2016.
8 Castle Street's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 20 Apr 2026
8 Castle Street has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Second storey rear extension over existing kitchen extension.
8 Castle Street valuation sits well clear of the typical sold price in this postcode.
£528,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 12 years.
£365,000
Growth on file: 3.8% per year over 12 years.
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CO₂ Emissions for 8 Castle Street lags the street by a wide margin.
Price per m²
£2,267
Street avg £2,402
Floor Area
161 m²
Street avg 142 m²
Habitable Rooms
6 rooms
Street avg 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
0.2 km

Daytime· 07:00 – 23:00
46.6dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Fell 1 Rowan and 1 Norway Maple
1 more application for this property
Join to see all planning history.
8 February 2016Most recent
£365,000
+31.3%over 5 years16 April 2010
£278,000
+20.9%over 6 years22 August 2003
£230,000
Median price across the last 5 sales in SN8 2DA: £425,000 (2022–2019).
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CO₂ Emissions
8.1 t/year
Street avg 6.0 t/year
SN8 2BP
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