5 homes in NN1 3AU
NN1 3AU is a postcode in Castle, Northampton, with 5 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 3AU
NN1 3AU
5 homes indexed
Postcode area
Free home reports
EPC, sales history, neighbourhood
Energy register
NN1 3AU in numbers
Open data on homes and sales in NN1 3AU, from HM Land Registry and the EPC register.
Homes with an energy certificate
5
Distinct homes (UPRNs) on the EPC register
Source: EPC register, certificates to March 2023
Most common EPC rating
D
4 of 5 homes
Source: EPC register, certificates to March 2023
Median floor area
87 m²
Across 5 homes
Source: EPC register, certificates to March 2023
| Rating | Homes | Share |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 1 | 20% |
| D | 4 | 80% |
| E | 0 | 0% |
| F | 0 | 0% |
| G | 0 | 0% |
| Latest certificate for each home. Source: EPC register, certificates to March 2023 | ||
| Type | Homes | Share |
|---|---|---|
| House | 3 | 60% |
| Flat | 1 | 20% |
| Maisonette | 1 | 20% |
| Source: EPC register, certificates to March 2023 | ||
| Date | Street address | Price |
|---|---|---|
| 17 Mar 2016 | 17 Earl Street | £85,000 |
| 3 Jun 2008 | 17 Earl Street | £150,000 |
| 30 May 2008 | 21 Earl Street | £125,500 |
| 19 May 2006 | 25 Earl Street | £180,000 |
| 30 Jun 2004 | 21 Earl Street | £105,000 |
| 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 3AU
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 3AU
Energy performance
Official EPC reports for NN1 3AU
Find the energy certificate for any home on this postcode on the government register. Free, official, and updated whenever a property is re-assessed.
