17 Knott Close, Great Ashby, Stevenage, SG1 6NP is a leasehold flat built between 2007-2011. The property offers approximately 495 square feet of living space and is situated on the 3rd floor. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £203,925 , which equates to approximately £412 per square foot. It was last sold on 19 Aug 2025 for £200,000. Since then, the value has increased by £3,925, representing a 2.0% increase, or approximately 6.2% per year.

The current estimated value of £203,925 is:

  • 12.5% lower than the average property price on Knott Close
  • 6.4% lower than the average in the SG1 6NP postcode area
  • and 47.0% lower than the average price for Stevenage 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 5 January 2021, the property was recorded as owner-occupied.

View sold house prices in SG1 6NP

Building approximate location

About Property

Type
Flat
Built
2007-2011
Interior Size
495 sq ft
Tenure
Leasehold
Floor level
3rd floor
Price (estimate)
£203,925
Price Per sq ft (estimate)
£412
Bedroom Count (estimate)
1 bedroom

EPC Summary

17 Knott Close, Great Ashby, Stevenage, North Hertfordshire, Hertfordshire, SG1 6NP has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 5 Jan 2021.

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 17 Nov 2009, when the property was rated B. The current rating of C reflects a decline in energy efficiency of 4.8%.

Since the previous assessment, several changes were observed:

  • The hot water energy efficiency changing from very good to good, while the system remained as from main system.
  • The roof construction or insulation changed from pitched, 300+ mm loft insulation to pitched, 270 mm loft insulation, changing energy efficiency from very good to good.
  • The wall construction or insulation changed from cavity wall, as built, insulated (assumed) to timber frame, as built, insulated (assumed), with no change in energy efficiency (good).
  • The lighting was updated from no low energy lighting to low energy lighting in 67% of fixed outlets, with efficiency improving from very poor to good.
Heating Type
Boiler and radiators, mains gas
Very Good
Hot Water
From main system
Good
Roof
Pitched, 270 mm loft insulation
Good
Walls
Timber frame, as built, insulated (assumed)
Good
Windows
Fully double glazed
Good
Lighting
Low energy lighting in 67% of fixed outlets
Good

Compared to SG1 6NP

23 rd / 36
Price Rank
6% lower than average
34 th / 35
Size Rank
30% smaller than average
16 th / 35
Price Per Sq FT Rank
33% higher than average

Compared to other properties in SG1 6NP , this flat's estimated value ranks 23th out of 36. Based on price per square foot, it ranks 16th out of 35 properties. In terms of size, this home ranks 34th out of 35 properties in its postcode area.

Sale History

Today
£203,925
streetscan.co.uk estimate
+2 %
19 Aug 2025
£200,000
Leasehold
+10.8 %
26 Mar 2021
£180,500
Leasehold
+2.3 %
1 Aug 2018
£176,500
Leasehold
+31.2 %
6 Jun 2014
£134,500
Leasehold
+12.1 %
13 Sep 2010
£119,995
Leasehold
+1.7 %
9 Dec 2008
£118,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 2
size: 484 sq ft
sale price: £197,000
sale date: 17 Oct 2025

Data Sources

The property at 17 Knott Close, Great Ashby, Stevenage, SG1 6NP appears six times in the Land Registry records, with the latest transaction recorded on 19 Aug 2025. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 5 Jan 2021. 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.