3Y Avg Price
£200,000
1 sales
Properties
10
Sales / Year
0.4
5-year average
Avg £/sq ft
—
Rank in NN15
431st
of 480 streets
Last Sale
£200,000
Jul 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
25 total recorded
15 William Street
Terraced
£200,000
Jul 2026
30 William Street
Semi-Detached
£284,000
Sept 2021
20 William Street
Semi-Detached
£265,000
Dec 2020
21 William Street
Terraced
£179,000
May 2020
18 William Street
Detached
£250,000
Apr 2020
18 William Street
Detached
£230,000
Mar 2016
20 William Street
Semi-Detached
£208,000
Oct 2015
21 William Street
Terraced
£136,000
Sept 2015
28 William Street
Semi-Detached
£181,000
Apr 2013
15 William Street
Terraced
£118,500
Feb 2008
Street Rankings — NN15
Streets ranked by 3-year average sale price. Showing positions 427–435 of 480.
| # | Street | 3Y Avg |
|---|---|---|
| 427 | St Botolphs Road | £202,000 |
| 428 | Torville Crescent | £201,833 |
| 429 | Haddon Avenue | £201,500 |
| 430 | Bertone Road | £200,667 |
| 431 | William Street | £200,000 |
| 431 | William Street | £200,000 |
| 431 | William Street | £200,000 |
| 434 | Argyll Street | £199,000 |
| 435 | Oak Road | £195,000 |
| 435 | Silverwood Road | £195,000 |
Property Mix
Type
Tenure
EPC Ratings
0 of 10 properties have an EPC record
District Context — NN15
NN15 covers Kettering and surrounding areas in Northamptonshire, positioned in the East Midlands. It is a mixed residential district with strong community infrastructure and moderate affordability relative to the south of England.
Average Property Price - NN15
£282,103
38
National percentile
12 month avg at 30 Sep 2026
Average Net Household Income - NN15
£29,380
6
National percentile
2023 census data
10-Year Annualised Price Growth - NN15
2.9%
47
National percentile
Estimate at 30 Sep 2026
10-Year Annualised Rent Growth - NN
4.5%
83
National percentile
Estimate at 30 Sep 2026