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Get started39b is a one-bedroom mid-terrace house in Grantham (NG31 6JF). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1900-1929 and council tax band A. At 37 m² this is the smallest unit on EPC record across the building (37–146 m²). The building's EPC ratings span G to C, with this unit at the top. The latest certificate (October 2025) shows a C (score 69), just inside the C band. When first surveyed in July 2013 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, hot-water efficiency went from Very Poor to Good and lighting went from Good to Very Good; while window efficiency dropped from Average to Poor.
Sale prices here have outpaced England HPI: 5.5% per year against 0% for the wider region. Today's modelled estimate of £109,000 sits 55.7% above the 2021 sale of £70,000. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 109.6% above the typical sold price in the postcode. At 37 m² it sits well below the postcode median (107 m² across 47 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Most recent transfer: November 2021 at £70,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
39b ranks among the most efficient homes in the postcode for energy use.
39b has more than doubled in price since the earliest registered sale in 2001.
£109,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 20 years.
£70,000
Growth on file: 5.5% per year over 20 years.
On floor area, 39b runs well behind the street norm.
Price per m²
£1,892
Street avg £1,502
Floor Area
37 m²
Street avg 55 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Houghton Road — bus stop.

Daytime· 07:00 – 23:00
49.1dB

Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
More low energy lighting installed
Heating system changed
Heating controls upgraded for better temperature management
Wall insulation improved
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
19 November 2021Most recent
£70,000
+197.9%over 20 years10 August 2001
£23,500
Median price across the last 5 sales in NG31 6JF: £160,000 (2025–2024).
CO₂ Emissions
1.7 t/year
Street avg 4.3 t/year
NG31 6BP
Closest school
0.5 km
St Anne's Church of England Primary School, Grantham. 19 schools nearby.
Night-time· 23:00 – 07:00
41.6dB
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