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Get started20 Rockstone Lane is a two-bedroom mid-terrace house in Southampton (SO14 6HZ). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2021) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2009. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and lighting went from Very Poor to Good; while roof efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 82), a 2-band jump. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.
Sale prices here have outpaced Southampton HPI: 4.6% per year against 0% for the wider region. Today's modelled estimate of £246,000 is 11.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£341/sq ft) was about 32.6% above the typical sold price in the postcode. It changed hands recently, sold April 2025 for £220,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
20 Rockstone Lane has more than tripled in price since its earliest registered sale in 1997.
£246,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 28 years.
£220,000
Growth on file: 4.6% per year over 28 years.
On years held, 20 Rockstone Lane runs well behind the street norm.
Price per m²
£3,667
Street avg £3,571
Floor Area
60 m²
Street avg 56 m²
Habitable Rooms
3 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
55.1dB

Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
17 April 2025Most recent
£220,000
+4.8%over 3 years27 September 2021
£210,000
+25.4%over 11 years27 November 2009
£167,500
+165.9%over 12 years30 April 1997
£63,000
Median price across the last 5 sales in SO14 6HZ: £215,000 (2025–2024).
Street avg 3 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.5 t/year
SO14 6QW
Denzil Avenue — bus stop.
Closest school
0.3 km
Mount Pleasant Juniors. 40 schools nearby.
Night-time· 23:00 – 07:00
44.9dB
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