21 Blakemere Crescent, Portsmouth, PO6 3SG is a freehold semi-detached property built between 1950-1966. The property offers approximately 872 square feet of living space. In this location, properties of similar size usually have three bedrooms.

The estimated current market value of the property is £231,744 , which equates to approximately £266 per square foot. It was last sold on 9 Mar 2007 for £137,500. Since then, the value has increased by £94,244, representing a 68.5% increase, or approximately 3.6% per year.

The current estimated value of £231,744 is:

  • 8.6% higher than the average property price on Blakemere Crescent
  • 2.1% higher than the average in the PO6 3SG postcode area
  • and 20.0% lower than the average price for Portsmouth as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 18 September 2025, the property was recorded as owner-occupied.

View sold house prices in PO6 3SG

Building approximate location

About Property

Type
Semi-Detached House
Built
1950-1966
Interior Size
872 sq ft
Tenure
Freehold
Price (estimate)
£231,744
Price Per sq ft (estimate)
£266
Bedroom Count (estimate)
3 bedrooms

EPC Summary

21 Blakemere Crescent, Portsmouth, PO6 3SG has an Energy Performance Certificate (EPC) rating of E, based on the latest assessment carried out on 18 Sep 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are high performance glazing.

The previous EPC assessment was conducted on 10 Oct 2014, when the property was rated D. The current rating of E reflects a decline in energy efficiency of 10%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 50 mm loft insulation to pitched, 200 mm loft insulation, improving energy efficiency from poor to good.
  • The windows were upgraded from fully double glazed to high performance glazing.
  • The lighting was changed from low energy lighting in 71% of fixed outlets to excellent lighting efficiency, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 200 mm loft insulation
Good
Walls
System built, as built, no insulation (assumed)
Very Poor
Windows
High performance glazing
Good
Lighting
Excellent lighting efficiency
Very Good

Compared to PO6 3SG

11 th / 24
Price Rank
2% higher than average
17 th / 20
Size Rank
3% smaller than average
5 th / 20
Price Per Sq FT Rank
5% higher than average

Compared to other properties in PO6 3SG , this house's estimated value ranks 11th out of 24. Based on price per square foot, it ranks 5th out of 20 properties. This suggests a relatively high price per square foot, which may reflect quality, location, or recent upgrades. In terms of size, this home ranks 17th out of 20 properties in its postcode area.

Sale History

Today
£231,744
streetscan.co.uk estimate
+69 %
9 Mar 2007
£137,500
Leasehold
+147.7 %
25 Jun 1999
£55,500
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 5
size: 883 sq ft
sale price: £270,000
sale date: 16 May 2024
rooms: 4
size: 936 sq ft
sale price: £235,000
sale date: 29 Sep 2023
rooms: 5
size: 893 sq ft
sale price: £190,000
sale date: 19 Apr 2023
rooms: 4
size: 904 sq ft
sale price: £238,000
sale date: 9 Dec 2022
rooms: 5
size: 872 sq ft
sale price: £210,000
sale date: 22 Aug 2019

Data Sources

The property at 21 Blakemere Crescent, Portsmouth, PO6 3SG appears two times in the Land Registry records, with the latest transaction recorded on 9 Mar 2007. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 18 Sep 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.