Flat 3, 66A The Avenue, Southampton, SO17 1XS is a freehold other property built between 1900-1929. The property offers approximately 420 square feet of living space and is situated on the 2nd floor of a 3-storey building. In this location, properties of similar size usually have one bedroom.

The estimated current market value of the property is £520,763 , which equates to approximately £1,241 per square foot. It was last sold on 12 Mar 2021 for £500,000. Since then, the value has increased by £20,763, representing a 4.2% increase, or approximately 0.9% per year.

The current estimated value of £520,763 is:

  • 47.8% higher than the average property price on The Avenue
  • 37.1% lower than the average in the SO17 1XS postcode area
  • and 79.5% higher than the average price for Southampton as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as rented both times. This suggests the property has often been rented out, which may indicate use as an investment or buy-to-let.

At the most recent EPC inspection on 7 August 2025, the property was recorded as rented.

View sold house prices in SO17 1XS

Building approximate location

About Property

Type
Flat
Built
1900-1929
Interior Size
420 sq ft
Tenure
Freehold
Floor level
2nd floor of 3
Price (estimate)
£520,763
Price Per sq ft (estimate)
£1,241
Bedroom Count (estimate)
1 bedroom

EPC Summary

Flat 3, 66A The Avenue, Southampton, SO17 1XS has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 7 Aug 2025.

This property uses electric storage heaters as its main heating source. Hot water is provided from off-peak electric immersion heater. The windows are fully double glazed.

The previous EPC assessment was conducted on 19 Aug 2020, when the property was rated E. Since then, the rating has improved to C, with the energy efficiency score increasing by 38%.

Since the previous assessment, several changes were observed:

  • The hot water system was changed from electric instantaneous at point of use to electric immersion, off-peak, with its energy efficiency improving from very poor to average.
  • The windows were upgraded from partial double glazing to fully double glazed.
  • The lighting was updated from low energy lighting in 33% of fixed outlets to good lighting efficiency, with efficiency improving from average to good.
Heating Type
Electric storage heaters
Average
Hot Water
Electric immersion, off-peak
Average
Walls
Cavity wall, as built, no insulation (assumed)
Poor
Windows
Fully double glazed
Average
Lighting
Good lighting efficiency
Good

Compared to SO17 1XS

4 th / 10
Price Rank
37% lower than average
3 rd / 3
Size Rank
68% smaller than average
1 st / 3
Price Per Sq FT Rank
96% higher than average

Compared to other properties in SO17 1XS , this flat's estimated value ranks 4th out of 10.

Sale History

Today
£520,763
streetscan.co.uk estimate
+4 %
12 Mar 2021
£500,000
Leasehold

Area Insights

Nearby Properties

rooms: 3
size: 603 sq ft
sale price: £155,000
sale date: 30 Sep 2021
rooms: 3
size: 506 sq ft
sale price: £125,000
sale date: 25 Jul 2008

Data Sources

The property at Flat 3, 66A The Avenue, Southampton, SO17 1XS appears once in the Land Registry records, with the transaction recorded on 12 Mar 2021. It also has three Energy Performance Certificates (EPC) entries, the earliest dating back to 7 Aug 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.