23 homes in NN1 5SU
NN1 5SU is a postcode in Castle, Northampton, with 23 homes. 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
NN1 5SU
NN1 5SU
23 homes indexed
Postcode area
Free home reports
EPC, sales history, neighbourhood
Energy register
NN1 5SU in numbers
Open data on homes and sales in NN1 5SU, from HM Land Registry and the EPC register.
Homes with an energy certificate
23
Distinct homes (UPRNs) on the EPC register
Source: EPC register, certificates to September 2026
Most common EPC rating
C
15 of 23 homes
Source: EPC register, certificates to September 2026
Median floor area
79 m²
Across 23 homes
Source: EPC register, certificates to September 2026
| Rating | Homes | Share |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 15 | 65% |
| D | 8 | 35% |
| E | 0 | 0% |
| F | 0 | 0% |
| G | 0 | 0% |
| Latest certificate for each home. Source: EPC register, certificates to September 2026 | ||
| Type | Homes | Share |
|---|---|---|
| House | 16 | 70% |
| Flat | 7 | 30% |
| Source: EPC register, certificates to September 2026 | ||
| Date | Street address | Price |
|---|---|---|
| 31 Jan 2025 | 6 Vernon Walk | £219,000 |
| 19 Jul 2024 | 4 Vernon Walk | £225,000 |
| 2 Sep 2022 | 10 Vernon Walk | £160,000 |
| 22 Jun 2021 | 36 Vernon Walk | £185,000 |
| 9 Jun 2017 | 40 Vernon Walk | £180,000 |
| 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 NN1 5SU
97 ROE ROAD
£335,000
Sold 2026-09-29
17 BURDOCK WAY
£165,750
Sold 2026-09-28
26 BRACKLEY ROAD
£350,000
Sold 2026-09-25
32 PARK AVENUE
£381,500
Sold 2026-09-25
39 TANTERS ROAD
£397,500
Sold 2026-09-25
Energy performance for NN1 5SU
Energy performance
Official EPC reports for NN1 5SU
Find the energy certificate for any home on this postcode on the government register. Free, official, and updated whenever a property is re-assessed.