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Get started66 Harrowby Road is a three-bedroom semi-detached house in Grantham (NG31 9DS). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (November 2022) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 80). Our model identifies extension potential, subject to local planning policy.
One planning record on file: an extension approved in 2025. Past consents include an extension and a basement excavation, meaningful when judging how the property has evolved. At 99 m² it's 19.3% larger than the typical home in the postcode (83 m² median across 42 EPCs). On a £-per-square-foot basis, the last sale (£280/sq ft) was about 131.9% above the typical sold price in the postcode. Last sale on file: £298,500 in August 2023.
Extension: Two storey · Side of property
Creation of a two storey side extension, basement & attic conversion, and creation of a double garage.
66 Harrowby Road valuation sits well clear of the typical sold price in this postcode.
£289,000
Modelled from EPC, postcode comparables.
£298,500
Recorded with HM Land Registry.
66 Harrowby Road outperforms the street on price per m² by a wide margin.
Price per m²
£3,015
Street avg £1,622
Floor Area
99 m²
Street avg 152 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Police Station — bus stop.

Daytime· 07:00 – 23:00
49.5dB

22 August 2023Most recent
£298,500
Median price across the last 5 sales in NG31 9DS: £276,000 (2024–2022).
Street avg 6 rooms
CO₂ Emissions
5.8 t/year
Street avg 8.0 t/year
NG31 9JY
Closest school
0.2 km
St Anne's Church of England Primary School, Grantham. 19 schools nearby.
Night-time· 23:00 – 07:00
40.3dB
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