Rosemary House, Apartment 15, 136 Botley Road, Swanwick, Southampton, SO31 1BU
About Rosemary House
Rosemary House is a two-bedroom mid-terrace house in Swanwick, Southampton, Southampton (SO31 1BU). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 2003-2006 and council tax band C. At 91 m² this is the largest unit on EPC record across Rosemary House (53–91 m²). The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (74 versus a best of 83). Other recorded features include a balcony. The latest certificate (July 2023) shows a C (score 74). Earlier certificates rated it B (July 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good; while lighting dropped from Very Good to Good.
Sold September 2024 for £235,000. Across the public record there are 4 sales, relatively high churn for a single property. At 91 m² it's 22.1% larger than the typical home in the postcode (75 m² median across 14 EPCs). Across 2003–2024, sale prices on this property compounded at -3.9% per year.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Communal gardenYes
- ParkingAllocated
- BalconyYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Low energy lighting percentage decreased
Mechanical ventilation installed
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Planning history
Rosemary House has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Rosemary House's sale-price growth has lagged the wider UK trajectory across its history on file.
£248,000
Modelled from EPC, postcode comparables and a sale-price growth of -3.9% per year over 22 years.
£235,000
Growth on file: -3.9% per year over 22 years.
Sales timeline
23 September 2024Most recent
£235,000
-14.5%over 5 years28 November 2018
£275,000
+30.3%over 12 years15 March 2006
£211,000
-61.6%over 3 years28 February 2003
£550,000
Median price across the last 5 sales in SO31 1BU: £215,000 (2025–2021).
Nearby sales in SO31 1BU
Rosemary House, Apartment 11, 136 Botley Road, Swanwick, Southampton, SO31 1BU
Sold Jun 2025
£215,000Rosemary House, Apartment 1, 136 Botley Road, Swanwick, Southampton, SO31 1BU
Sold Apr 2023
£210,000112 Botley Road, Swanwick, Southampton, SO31 1BU
Sold Dec 2022
£950,000Rosemary House, Apartment 12, 136 Botley Road, Swanwick, Southampton, SO31 1BU
Sold Jun 2022
£230,000Rosemary House, Apartment 5, 136 Botley Road, Swanwick, Southampton, SO31 1BU
Sold Nov 2021
£178,000
Versus other Botley Road homes
On epc rating, Rosemary House runs well behind the street norm.
Price per m²
£2,582
Street avg £2,773
Floor Area
91 m²
Street avg 70 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 1.4 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Rookery Avenue — bus stop.
Closest school
0.7 km
Whiteley Primary School. 10 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
58.1dB

Night-time· 23:00 – 07:00
50.2dB







