Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started6 Castle Street is a four-bedroom mid-terrace house in Aldbourne, Marlborough, Marlborough (SN8 2DA). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (April 2021) shows a C (score 75), near the top of the C band. When first surveyed in September 2011 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 85). The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 9.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£337/sq ft) was about 101.8% above the typical sold price in the postcode. Last sale on file: £425,000 in December 2022. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One planning record on file: an extension approved in 2012. Past consents include an extension, meaningful when judging how the property has evolved. At 117 m² it's 16.7% smaller than the typical home in the postcode (141 m² median across 14 EPCs). Its energy rating outperforms most of the postcode (better than 79% of similar EPCs).
6 Castle Street has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Proposed first floor rear extension
Sale price has at least doubled since 2012.
£445,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.2% per year over 11 years.
£425,000
Growth on file: 9.2% per year over 11 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
On years held, 6 Castle Street runs well behind the street norm.
Price per m²
£3,632
Street avg £2,288
Floor Area
117 m²
Street avg 145 m²
Habitable Rooms
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
0.2 km

Daytime· 07:00 – 23:00
46.6dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Are we missing something? Tell us about home improvements to help adjust your valuation.
15 December 2022Most recent
£425,000
+41.7%over 1 year30 June 2021
£300,000
+1.7%over 3 years20 April 2018
£295,000
+81.0%over 6 years3 February 2012
£163,000
Median price across the last 5 sales in SN8 2DA: £330,000 (2021–2017).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
Ad-free · Instant access · Secure Stripe checkout · One-off payment
Street avg 6 rooms
CO₂ Emissions
3.4 t/year
Street avg 6.3 t/year
SN8 2QE
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