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Get startedRutherford House is a three-bedroom detached house in Blackfield, Southampton, Southampton (SO45 1XB). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (March 2021) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 82), a 3-band jump. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
One planning record on file: an extension approved in 2023. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. At 91 m² it's 22.2% smaller than the typical home in the postcode (117 m² median across 22 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Today's modelled estimate of £407,000 is 13.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£368/sq ft) was about 59.6% above the typical sold price in the postcode. Most recent transfer: September 2021 at £360,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Rutherford House's carbon output runs well above what efficient homes in the postcode produce.
Extension: Single storey
Conversion of existing garage with first floor extension over
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£407,000
Modelled from EPC, postcode comparables.
£360,000
Recorded with HM Land Registry.
Rutherford House is notably below the street on epc rating.
Price per m²
£3,956
Street avg £3,115
Floor Area
91 m²
Street avg 114 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
45.7dB

17 September 2021Most recent
£360,000
Median price across the last 5 sales in SO45 1XB: £399,950 (2025–2021).
The Old Manse The Drove Blackfield Southampton
Sold Feb 2025
Meadow View The Drove Blackfield Southampton
Sold Jan 2025
2 Evergreen Cottage The Drove Blackfield Southampton
Sold Jun 2024
Vine Cottage The Drove Blackfield Southampton
Sold Apr 2022
Overlea The Drove Blackfield Southampton
Sold Jan 2021
CO₂ Emissions
6.2 t/year
Street avg 4.5 t/year
SO45 1DA
Blackfield Crossroads — bus stop.
Closest school
0.2 km
Blackfield Primary and Nursery School. 5 schools nearby.
Night-time· 23:00 – 07:00
36.9dB
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