Rosemary House, Apartment 1, 136 Botley Road, Swanwick, Southampton, SO31 1BU
About Rosemary House
Rosemary House is a two-bedroom semi-detached house in Swanwick, Southampton, Southampton (SO31 1BU). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 2003-2006 and council tax band C. At 65 m² this is the 4th smallest of 12 units on EPC record in Rosemary House, where floor areas span 53–91 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (July 2019) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (February 2010); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Very Good to Good.
Across 2006–2023, sale prices on this property compounded at 1.4% per year. On a £-per-square-foot basis, the last sale (£300/sq ft) was about 23.6% above the typical sold price in the postcode. At 65 m² it's 16.6% smaller than the typical home in the postcode (78 m² median across 14 EPCs). Most recent transfer: April 2023 at £210,000.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
- ParkingAllocated
Building
- Heating systemGas
Energy performance
Rosemary House's carbon output is low for the local stock.
EPC Rating
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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.
£220,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.4% per year over 17 years.
£210,000
Growth on file: 1.4% per year over 17 years.
Sales timeline
5 April 2023Most recent
£210,000
+27.3%over 17 years15 March 2006
£165,000
Median price across the last 5 sales in SO31 1BU: £230,000 (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 15, 136 Botley Road, Swanwick, Southampton, SO31 1BU
Sold Sept 2024
£235,000112 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 price per m², Rosemary House stands well clear of the street.
Price per m²
£3,231
Street avg £2,714
Floor Area
65 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.3 t/year
Street avg 1.5 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







