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Get started14 Harrowby Lane is a three-bedroom semi-detached house in Harrowby, Grantham, Grantham (NG31 9HB). It has a recorded floor area of 188 m² (around 2024 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2020) shows a C (score 70). When first surveyed in September 2016 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Very 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 81). Other recorded features include a balcony and notable views. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 6.2% per year against 0% for the wider region. At 188 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). 6 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £388,000 in May 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
14 Harrowby Lane's carbon output runs well above what efficient homes in the postcode produce.
14 Harrowby Lane has 2 separate extension applications on the council record.
Section 73 application for the variation of Condition 2 (approved plans) of S17/2010 for the erection of single storey front and rear extensions and two storey side extension and erection of detached garage/hobby room
Sale price has at least doubled since 2006.
£412,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 15 years.
£388,000
Growth on file: 6.2% per year over 15 years.
On habitable rooms, 14 Harrowby Lane stands well clear of the street.
Price per m²
£2,064
Street avg £2,543
Floor Area
188 m²
Street avg 133 m²
Habitable Rooms
7 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
Newgate Lane — bus stop.

Daytime· 07:00 – 23:00
43.5dB

Changes detected from historical EPC data
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Cavity wall insulation installed
Roof insulation improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Section 73 application for the variation of Condition 2 (approved plans) of S17/2010 for the erection of single storey front and rear extensions and two storey side extension and erection of detached garage/hobby room
4 more applications for this property
Join to see all planning history.
21 May 2021Most recent
£388,000
+52.2%over 3 years22 August 2017
£255,000
+64.0%over 11 years14 February 2006
£155,500
Median price across the last 5 sales in NG31 9HB: £350,000 (2025–2022).
Street avg 6 rooms
CO₂ Emissions
6.5 t/year
Street avg 6.1 t/year
NG31 9JY
Closest school
1.4 km
Belmont Community Primary School. 8 schools nearby.
Night-time· 23:00 – 07:00
36.4dB
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