21 Alfred Street, Kettering, NN16 0SW
About 21 Alfred Street
21 Alfred Street is a two-bedroom mid-terrace house in Kettering (NN16 0SW). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (December 2024) shows a C (score 70). When first surveyed in October 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and window efficiency went from Poor to Average. The recommended improvements would push it to B (score 88).
It hasn't traded since September 2005, a hold of 21 years that's notably long for the area. At 92 m² the property is well over the postcode median (58 m² across 30 EPCs), placing it in the larger end of the local stock. Across 1995–2005, sale prices on this property compounded at 11.7% per year. Today's modelled estimate of £178,000 sits 97.8% above the 2005 sale of £90,000. On a £-per-square-foot basis, the last sale (£91/sq ft) was about 28.2% below the postcode norm.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- StudyYes
Outside
- Private gardenRear
Building
- Central heatingYes
- RefurbishedYes
Energy performance
EPC Rating
Certificate validity
Valid until 9 December 2034
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Wall insulation improved
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21 Alfred Street has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 1995.
£178,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.7% per year over 11 years.
£90,000
Growth on file: 11.7% per year over 11 years.
Sales timeline
25 September 2005Most recent
£90,000
+221.4%over 10 years3 March 1995
£28,000
Median price across the last 5 sales in NN16 0SW: £137,500 (2025–2020).
Nearby sales in NN16 0SW
Versus other Alfred Street homes
Price per m² for 21 Alfred Street lags the street by a wide margin.
Price per m²
£978
Street avg £1,661
Floor Area
92 m²
Street avg 76 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.3 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
333/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
William Knibb Centre — bus stop.
Closest school
0.4 km
St Mary's Church of England Voluntary Aided Primary School. 21 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.1dB

Night-time· 23:00 – 07:00
42.1dB







