Our Data Sources
27, Constance Place, Knebworth has 2 entries in the Land Registry, most recently in December 2020 and a single entry in the EPC database dated June 2016.
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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 27, Constance Place, Knebworth, we estimate a market value of £324,382 and a rental value of £1,465 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £287,310 and £1,297 per month respectively.
Energy Efficiency
27, Constance Place, Knebworth has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 13 Jun 2016.
The property is not connected to mains gas and has high performance glazing. It is heated using air source heat pump (underfloor, electric).
Sold Prices
The most recent sale of 27, Constance Place, Knebworth completed on 11th December 2020 at £310,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 13.8% over the period since December 2020.
- Sold Dec 2020£310,000
- Sold Aug 2016£334,950
Similar Properties Sold Nearby
Since 2016 46 properties similar to 27, Constance Place, Knebworth have sold within a radius of 920 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 14th May 2026, was 18, Constance Place, Knebworth, SG3 6EE, a leasehold flat which sold for £280,000.
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 Mar 2025£270,000 | 2 Bed Flat19, Constance Place, Knebworth, SG3 6EE19, 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
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 £352,847, 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
Of the 26 addresses on Constance Place, Knebworth, SG3, 27, Constance Place, Knebworth comes out as the 19th largest and the 19th most expensive in our analysis of the public data.
It is also £235k less expensive than the average property across the SG3 district.
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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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












