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Get started8 Harrowby Lane is a four-bedroom detached house in Harrowby, Grantham, Grantham (NG31 9HB). It has a recorded floor area of 212 m² (around 2282 sq ft), construction records dating it to before 1900 and council tax band E. Tenure is freehold. The latest certificate (March 2023) shows a C (score 75), near the top of the C band. When first surveyed in September 2016 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 83). Other recorded features include notable views and attached land beyond the plot. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 5.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£234/sq ft) was about 45.4% above the typical sold price in the postcode. At 212 m² the property is well over the postcode median (114 m² across 11 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: September 2024 at £535,000.
8 Harrowby Lane has been through 4 approved planning applications — a well-evolved property.
Non material amendment to S17/0299 to change flat roofed dormer windows to pitched roof and re-roof in spanish slate
Latest sale on 8 Harrowby Lane was the highest on Land Registry record across the postcode.
£551,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 12 years.
£535,000
Growth on file: 5.7% per year over 12 years.
Floor Area for 8 Harrowby Lane runs comfortably ahead of the street norm.
Price per m²
£2,524
Street avg £2,477
Floor Area
212 m²
Street avg 130 m²
Habitable Rooms
5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
43.5dB

Changes detected from historical EPC data
Window efficiency improved
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Non material amendment to S17/0299 to change flat roofed dormer windows to pitched roof and re-roof in spanish slate
2 more applications for this property
Join to see all planning history.
5 September 2024Most recent
£535,000
+98.1%over 12 years24 May 2012
£270,000
Median price across the last 5 sales in NG31 9HB: £350,000 (2025–2021).
Street avg 6 rooms
CO₂ Emissions
5.7 t/year
Street avg 6.2 t/year
NG31 9LT
Newgate Lane — bus stop.
Closest school
1.4 km
Belmont Community Primary School. 8 schools nearby.
Night-time· 23:00 – 07:00
36.4dB
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