18 homes in SG3 6NN
SG3 6NN is a postcode in Knebworth, with 18 homes. The median sale price over the last two years was £835,000 (3 sales, HM Land Registry). Each address has a free home report, an official EPC certificate and a recent-sales summary — a tidy way to get to know any home on this street before you knock on the door, view the property or move in next door.
Postcode
SG3 6NN
SG3 6NN
18 homes indexed
Postcode area
Free home reports
EPC, sales history, neighbourhood
Energy register
SG3 6NN in numbers
Open data on homes and sales in SG3 6NN, from HM Land Registry and the EPC register.
Median sale price, last two years
£835,000
3 sales, October 2024 to September 2026
Source: HM Land Registry Price Paid Data, October 2024 to September 2026
Sale price range, last two years
£600,000 to £850,000
Lowest and highest of 3 sales
Source: HM Land Registry Price Paid Data, October 2024 to September 2026
Homes with an energy certificate
18
Distinct homes (UPRNs) on the EPC register
Source: EPC register, certificates to August 2026
Most common EPC rating
E
8 of 18 homes
Source: EPC register, certificates to August 2026
Median floor area
169 m²
Across 18 homes
Source: EPC register, certificates to August 2026
| Rating | Homes | Share |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 5 | 28% |
| D | 5 | 28% |
| E | 8 | 44% |
| F | 0 | 0% |
| G | 0 | 0% |
| Latest certificate for each home. Source: EPC register, certificates to August 2026 | ||
| Type | Homes | Share |
|---|---|---|
| House | 18 | 100% |
| Source: EPC register, certificates to August 2026 | ||
| Type | Sales | Share |
|---|---|---|
| Detached | 3 | 100% |
| Source: HM Land Registry Price Paid Data, October 2024 to September 2026 | ||
| Date | Street address | Price |
|---|---|---|
| 20 Aug 2025 | 27 Stevenage Road | £835,000 |
| 21 Feb 2025 | 31 Stevenage Road | £850,000 |
| 13 Nov 2024 | 35 Stevenage Road | £600,000 |
| 24 May 2024 | 25 Stevenage Road | £722,500 |
| 30 Jun 2021 | 34 Stevenage Road | £945,000 |
| Source: HM Land Registry Price Paid Data, sales to September 2026 | ||
Sale prices are standard residential sales (HM Land Registry category A), each sale counted once. Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0. EPC figures use the latest certificate for each home on the Energy Performance of Buildings Register.
Addresses on this postcode
About the area
Recent sales near SG3 6NN
THE CONIFERS GIPSY LANE
£650,000
Sold 2026-09-16
19 LONGMEAD
£394,000
Sold 2026-09-14
22 STOCKENS DELL
£510,000
Sold 2026-09-14
14 ABBOTS CLOSE
£650,000
Sold 2026-09-04
87 BROOKBRIDGE LANE
£590,000
Sold 2026-08-27
Energy performance for SG3 6NN
Energy performance
Official EPC reports for SG3 6NN
Find the energy certificate for any home on this postcode on the government register. Free, official, and updated whenever a property is re-assessed.
