Our Data Sources
10, Constance Place, Knebworth has 3 entries in the Land Registry, most recently in July 2025 and a single entry in the EPC database dated July 2023.
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
In very good condition, we estimate 10, Constance Place, Knebworth would be worth £392,390, with a potential rental value of £1,592 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £347,545, with a rental value of £1,410 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
10, Constance Place, Knebworth has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 26 Jul 2023.
The property is not connected to mains gas and has fully double glazed windows. It is heated using electric underfloor heating.
Sold Prices
10, Constance Place, Knebworth last changed hands on 16th July 2025, selling for £315,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 12.7% since July 2025.
- Sold Jul 2025£315,000
- Sold Jun 2022£422,000
- Sold May 2016£419,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 49 sales of comparable properties within 920 metres of 10, Constance Place, Knebworth since 2016.
Most recently, 9, Lowe House, Knebworth, SG3 6EU, a leasehold flat, sold at £333,000 on the 17th December 2025.
Read more about house prices in SG3.
- Sold Dec 2025£333,000 | 3 Bed Flat9, Lowe House, Knebworth, SG3 6EU9, Lowe House, Knebworth, SG3 6EU
- Sold Jul 2025£300,000 | 3 Bed FlatApartment 18, Robert Ellis Court, St. Martins Road, Knebworth, SG3 6ELApartment 18, Robert Ellis Court, St. Martins Road, Knebworth, SG3 6EL
- Sold Jul 2025£395,000 | 2 Bed FlatApartment 4, Robert Ellis Court, St. Martins Road, Knebworth, SG3 6ELApartment 4, Robert Ellis Court, St. Martins Road, Knebworth, SG3 6EL
- Sold Dec 2024£380,000 | 3 Bed Flat40, Lowe House, Knebworth, SG3 6EU40, Lowe House, Knebworth, SG3 6EU
- Sold Jun 2024£460,500 | 3 Bed Flat38, Lowe House, Knebworth, SG3 6EU38, 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 £353,394, 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
Our analysis of the public data ranks 10, Constance Place, Knebworth as the 13th largest and the 13th most expensive of the 26 addresses on Constance Place, Knebworth, SG3.
Against the SG3 postcode district average, it is £170k less expensive than the typical property.
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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
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












