6 Mortimer Close, Northampton, NN4 8LZ is a freehold detached property built between 1983-1990. The property offers approximately 1,249 square feet of living space. In this location, properties of similar size usually have four bedrooms.

The estimated current market value of the property is £486,578 , which equates to approximately £390 per square foot. It was last sold on 26 Jul 1996 for £90,000. Since then, the value has increased by £396,578, representing a 440.6% increase, or approximately 14.7% per year.

The current estimated value of £486,578 is:

  • 40.1% higher than the average property price on Mortimer Close
  • 37.7% higher than the average in the NN4 8LZ postcode area
  • and 76.4% higher than the average price for Northampton as a whole

At the most recent EPC inspection on 29 April 2026, the property was recorded as rented.

View sold house prices in NN4 8LZ

Building approximate location

About Property

Type
Detached House
Built
1983-1990
Interior Size
1249 sq ft
Tenure
Freehold
Price (estimate)
£486,578
Price Per sq ft (estimate)
£390
Bedroom Count (estimate)
4 bedrooms

EPC Summary

6 Mortimer Close, Northampton, Northamptonshire, NN4 8LZ has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 29 Apr 2026.

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 fully double glazed.

The previous EPC assessment was conducted on 11 Apr 2014. The rating of D is unchanged, though the energy efficiency score decreased by 1.6%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 75 mm loft insulation to pitched, 100 mm loft insulation, with no change in energy efficiency (average).
  • The lighting was updated from low energy lighting in 30% of fixed outlets to good lighting efficiency, with efficiency improving from average to good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Average
Roof
Pitched, 100 mm loft insulation
Average
Walls
Cavity wall, filled cavity
Good
Windows
Fully double glazed
Poor
Lighting
Good lighting efficiency
Good

Compared to NN4 8LZ

1 st / 10
Price Rank
38% higher than average
1 st / 7
Size Rank
28% bigger than average
5 th / 7
Price Per Sq FT Rank
8% higher than average

Sale History

Today
£486,578
streetscan.co.uk estimate
+441 %
26 Jul 1996
£90,000
Freehold

Area Insights

Nearby Properties

rooms: 5
size: 936 sq ft
sale price: £65,500
sale date: 25 Sep 1995
rooms: 5
size: 1055 sq ft
sale price: £286,000
sale date: 23 Aug 2019
rooms: 4
size: 797 sq ft
sale price: £185,000
sale date: 19 Mar 2014
rooms: 5
size: 746 sq ft
sale price: £265,000
sale date: 6 Apr 2018
rooms: 5
size: 895 sq ft
sale price: £147,000
sale date: 28 Aug 2009

Data Sources

The property at 6 Mortimer Close, Northampton, Northamptonshire, NN4 8LZ appears once in the Land Registry records, with the transaction recorded on 26 Jul 1996. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 29 Apr 2026. 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.