Our Data Sources
17, Constance Place, Knebworth has 2 entries in the Land Registry, most recently in January 2019 and a single entry in the EPC database dated January 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 17, Constance Place, Knebworth is in very good condition we estimate a sale value of £346,703 and a rental value of £1,515 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £307,080 and a rental value of £1,342 per month.
Energy Efficiency
17, Constance Place, Knebworth has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 11 Jan 2018.
The property is not connected to mains gas and has fully double glazed windows. It is heated using air source heat pump (underfloor, electric).
Sold Prices
According to HM Land Registry, 17, Constance Place, Knebworth was last sold on 31st January 2019 for £320,000 and was recorded as a leasehold flat.
The property has had 2 sales since 1995.
Since January 2019, the market for similar properties has risen by 17.0%.
- Sold Jan 2019£320,000
- Sold Jul 2016£329,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 53 sales of properties similar to 17, Constance Place, Knebworth within a radius of 920 metres since 2016.
The most recent example is 18, Constance Place, Knebworth, SG3 6EE, a leasehold flat which sold for £280,000 on the 14th May 2026.
Read more about house prices in SG3.
- Sold May 2026£280,000 | 2 Bed Flat18, Constance Place, Knebworth, SG3 6EE18, Constance Place, Knebworth, SG3 6EE
- Sold Dec 2025£280,000 | 2 Bed Flat7, Constance Place, Knebworth, SG3 6EE7, Constance Place, Knebworth, SG3 6EE
- Sold May 2024£334,500 | 2 Bed Flat17, Lowe House, Knebworth, SG3 6EU17, Lowe House, Knebworth, SG3 6EU
- Sold May 2024£290,000 | 2 Bed Flat44, Lowe House, Knebworth, SG3 6EU44, Lowe House, Knebworth, SG3 6EU
- Sold Jan 2024£277,500 | 2 Bed Flat26, Lowe House, Knebworth, SG3 6EU26, Lowe House, Knebworth, SG3 6EU
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £351,784, ranging from £294,334 to £419,768.
- 15 Constance Place
3 Bed Flat | 0 m | Est. Value: £388,284
- 24 Constance Place
2 Bed Flat | 0 m | Est. Value: £301,651
- 22 Constance Place
2 Bed Flat | 0 m | Est. Value: £301,651
- 6 Constance Place
3 Bed Flat | 0 m | Est. Value: £404,208
- 9 Constance Place
2 Bed Flat | 0 m | Est. Value: £294,334
Location Comparison
Constance Place, Knebworth, SG3 has a total of 26 addresses. According to our analysis of all the public data, 17, Constance Place, Knebworth is the 14th largest and the 14th most expensive property on the street.
When compared to the postcode district it is £214k less expensive than the average property in SG3.
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Schools Nearby
- Knebworth Primary and Nursery School100 m away
- All Saints Church of England Voluntary Aided Primary School, Datchworth1.5 km away
- St Michael's Woolmer Green CofE VA Primary School1.5 km away
- Barnwell School2.9 km away
- Marriotts School4.4 km away
- Monk's Walk School5.3 km away
More reading links
Public Transport Nearby
- Knebworth|500 m away
- Watton-at-Stone|4.4 km away
- Stevenage|4.5 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
