23 Balfour Street, Kettering, NN16 9LH
About 23 Balfour Street
23 Balfour Street is a two-bedroom semi-detached house in Kettering (NN16 9LH). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (November 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in August 2014 the rating was F, 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 lighting went from Average to Very Good. The recommended improvements would push it to C (score 79). This certificate was lodged in the last six months, so the rating reflects current condition.
Across 1997–2017, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £232,000 is 45% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£173/sq ft) was about 36.1% above the typical sold price in the postcode. Last changed hands 8 years ago, in December 2017.
What this property has
Inside
- Bedrooms2
Everything you need to know about 23 Balfour Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
23 Balfour Street has no planning applications on record.
But the area is active
14 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 1997.
£232,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 20 years.
£159,995
Growth on file: 6.9% per year over 20 years.
Sales timeline
15 December 2017Most recent
£159,995
+30.1%over 3 years28 November 2014
£123,000
+200.0%over 17 years30 July 1997
£41,000
Median price across the last 5 sales in NN16 9LH: £209,000 (2025–2023).
Nearby sales in NN16 9LH
Versus other Balfour Street homes
Floor Area for 23 Balfour Street lags the street by a wide margin.
Price per m²
£1,860
Street avg £1,741
Floor Area
86 m²
Street avg 97 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.8 t/year
Everything you need to know about 23 Balfour Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Park Rd — bus stop.
Closest school
0.2 km
Kettering Park Infant Academy. 19 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
49.6dB

Night-time· 23:00 – 07:00
39.3dB






