Our Data Sources
21A, Gun Lane, Knebworth has 21 entries in the Land Registry , most recently in November 2019 and a single entry in the EPC database dated February 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 21A, Gun Lane, Knebworth would be worth £569,104, with a potential rental value of £2,230 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £504,064, with a rental value of £1,975 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21A, Gun Lane, Knebworth occupies a 235 m2 plot as recorded by HM Land Registry.
Of the 25 other houses in this postcode, 20 have recorded plot sizes, and this one ranks as the 13th largest.
Energy Efficiency
21A, Gun Lane, Knebworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Feb 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
21A, Gun Lane, Knebworth last changed hands on 8th November 2019, selling for £415,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 9.0% since November 2019.
- Sold Nov 2019£415,000
- Sold Dec 2003£275,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 154 sales of comparable properties within 900 metres of 21A, Gun Lane, Knebworth across the last 2 years.
Most recently, 40, Hornbeam Spring, Knebworth, SG3 6BE, a freehold house, sold at £550,000 on the 24th October 2024.
Read more about house prices in SG3.
- Sold Oct 2024£550,000 | 3 Bed House40, Hornbeam Spring, Knebworth, SG3 6BE40, Hornbeam Spring, Knebworth, SG3 6BE
- Sold Jun 2022£500,000 | 3 Bed House31, Sayer Way, Knebworth, SG3 6BN31, Sayer Way, Knebworth, SG3 6BN
- Sold May 2022£500,000 | 3 Bed House17C, Gun Lane, Knebworth, SG3 6BJ17C, Gun Lane, Knebworth, SG3 6BJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 21A, Gun Lane, Knebworth as the 24th largest and the 31st most expensive of the 67 addresses on Gun Lane, Knebworth, SG3.
Against the SG3 postcode district average, it is £3k less expensive than the typical property.
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Schools Nearby
- Knebworth Primary and Nursery School300 m away
- St Michael's Woolmer Green CofE VA Primary School1.4 km away
- All Saints Church of England Voluntary Aided Primary School, Datchworth1.7 km away
- Barnwell School3.2 km away
- Marriotts School4.6 km away
- Monk's Walk School5.1 km away
More reading links
Public Transport Nearby
- Knebworth|500 m away
- Welwyn North|4.4 km away
- Stevenage|4.6 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
