1 Hillside Avenue, Southampton, SO18 1LD
About 1 Hillside Avenue
1 Hillside Avenue is a three-bedroom detached house in Southampton (SO18 1LD). It has a recorded floor area of 134 m² (around 1442 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2020) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to C (score 80). Records show the property has been extended at some point in its history.
At 134 m² the property is well over the postcode median (86 m² across 19 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2020, sale prices on this property compounded at 7.3% per year. Today's modelled estimate of £425,000 is 16.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£253/sq ft) was about 41.1% above the typical sold price in the postcode. Last sale on file: £365,000 in October 2020.
What this property has
Inside
- Bedrooms3
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- GarageYes
Building
- Heating systemGas
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Wall insulation improved
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Planning history
1 Hillside Avenue has an approved single-storey side extension on the planning record.
- Mar 2022AmendmentIn report
Non-material amendment sought to planning permission 21/00458/FUL to reduce footprint of approved side extension & alter doors/windows.
- Documents
- 5 docs on file
- Reference
- 22/00221/NMA
- May 2021ExtensionFullIn report
Extension: Single storey · Side of property
Erection of a single storey side extension and 2 additional first floor windows
- Documents
- 4 docs on file
- Reference
- 21/00458/FUL
We flagged 1 thing worth checking at 1 Hillside Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
1 Hillside Avenue has more than quadrupled in price since its earliest registered sale in 1997.
£425,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 23 years.
£365,000
Growth on file: 7.3% per year over 23 years.
Sales timeline
30 October 2020Most recent
£365,000
+421.4%over 23 years8 May 1997
£70,000
Median price across the last 5 sales in SO18 1LD: £200,000 (2025–2023).
Nearby sales in SO18 1LD
35a, Hillside Avenue, Southampton, SO18 1LD
Sold Jan 2025
£200,00013 Hillside Avenue, Southampton, SO18 1LD
Sold Oct 2024
£200,00035 Hillside Avenue, Southampton, SO18 1LD
Sold Dec 2023
£148,5003 Hillside Avenue, Southampton, SO18 1LD
Sold Nov 2023
£310,00023a, Hillside Avenue, Southampton, SO18 1LD
Sold Apr 2023
£212,000
Versus other Hillside Avenue homes
On floor area, 1 Hillside Avenue stands well clear of the street.
Price per m²
£2,724
Street avg £2,417
Floor Area
134 m²
Street avg 112 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 5.1 t/year
Similar properties nearby
1 Cobden Gardens
SO18 1LN
1 Englefield Road
SO18 1AW
1 Lacon Close
SO18 1JA
1 River View Road
SO18 1NW
1 Sandringham Road
SO18 1JL
1 Dimond Hill
SO18 1JF
1 Cobden Rise, St Catherines Road
SO18 1DL
1 St Catherines Road
SO18 1LL
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Bond Road — bus stop.
Closest school
0.5 km
Bitterne Park Primary & Nursery School - Part of the Learning Federation Partnership of Schools. 32 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.2dB

Night-time· 23:00 – 07:00
40.9dB







