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Get started37 Norton Street is a mid-terrace house in Grantham (NG31 6BX). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (October 2024) shows an E (score 52), well below the UK norm with real room to improve. When first surveyed in September 2023 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Poor; while main heating dropped from Average to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity. At 67 m² this is the 17th smallest of 31 units on EPC record in the building, where floor areas span 39–230 m². The building's EPC ratings span E to C, with this unit at the bottom.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £116,000 is 25.4% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£128/sq ft) was about 43.4% above the typical sold price in the postcode. Sold January 2024 for £92,500.
37 Norton Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
37 Norton Street valuation sits well clear of the typical sold price in this postcode.
£116,000
Modelled from EPC, postcode comparables.
£92,500
Recorded with HM Land Registry.
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
Railway Station — bus stop.

Daytime· 07:00 – 23:00
53.7dB

Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Wall insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
19 January 2024Most recent
£92,500
Median price across the last 5 sales in NG31 6BX: £135,000 (2025–2024).
Closest school
0.4 km
Huntingtower Community Primary Academy. 19 schools nearby.
Night-time· 23:00 – 07:00
44.5dB
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