20 Highnam Gardens, Sarisbury Green, Southampton, SO31 7TL
About 20 Highnam Gardens
20 Highnam Gardens is a detached house in Sarisbury Green, Southampton, Southampton (SO31 7TL). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (February 2022) shows a C (score 69), just inside the C band. When first surveyed in May 2010 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Average and lighting went from Poor to Very Good.
On energy efficiency it sits in the top 10% of properties in this postcode. Across 1995–2022, sale prices on this property compounded at 6.4% per year. On a £-per-square-foot basis, the last sale (£395/sq ft) was about 100.7% above the typical sold price in the postcode. Last sale on file: £540,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2006.
Energy performance
20 Highnam Gardens ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
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Planning history
1 application on record at 20 Highnam Gardens, Sarisbury Green, Southampton, SO31 7TL
- Jun 2006Tree WorksTreesOutcome in report
Reduce Height Of One Oak Tree By 4M And Remove Branches By 1M To Further Oak Tree Covered By Ftpo54
- Documents
- 6 docs on file
- Reference
- P/06/0588/TO
Unlock 20 Highnam Gardens, Sarisbury Green, Southampton, SO31 7TL's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 3 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 20 Highnam Gardens has grown more than fourfold since the 1995 starting point.
£560,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 27 years.
£540,000
Growth on file: 6.4% per year over 27 years.
Sales timeline
5 July 2022Most recent
£540,000
+77.0%over 10 years24 February 2012
£305,000
+205.0%over 16 years4 May 1995
£100,000
Median price across the last 5 sales in SO31 7TL: £475,000 (2025–2016).
Nearby sales in SO31 7TL
9 Highnam Gardens, Sarisbury Green, Southampton, SO31 7TL
Sold Jan 2025
£540,0008 Highnam Gardens, Sarisbury Green, Southampton, SO31 7TL
Sold Jul 2024
£495,00023 Highnam Gardens, Sarisbury Green, Southampton, SO31 7TL
Sold Aug 2020
£460,00018 Highnam Gardens, Sarisbury Green, Southampton, SO31 7TL
Sold Dec 2017
£475,00014 Highnam Gardens, Sarisbury Green, Southampton, SO31 7TL
Sold Oct 2016
£420,000
Versus other Highnam Gardens homes
On epc rating, 20 Highnam Gardens stands well clear of the street.
Price per m²
£4,252
Street avg £3,465
Floor Area
127 m²
Street avg 130 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.9 t/year
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Locks Heath Centre — bus stop.
Closest school
0.5 km
Brookfield Community School. 11 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
50.5dB

Night-time· 23:00 – 07:00
38.8dB







