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Get started21 Barrowby Gate is a three-bedroom detached house in Grantham (NG31 7LT). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (July 2018) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 79). Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.
Sale prices here have outpaced England HPI: 7.5% per year against 0% for the wider region. Today's modelled estimate of £283,000 is 22% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£254/sq ft) was about 79.9% above the typical sold price in the postcode. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. At 85 m² it's 26.4% smaller than the typical home in the postcode (116 m² median across 24 EPCs). Sold November 2018 for £232,000.
21 Barrowby Gate has 2 separate extension applications on the council record.
Extension: Side and rear of property
Proposed two storey extension to side and single storey extension to rear of existing dwelling including detached single garage
Price for 21 Barrowby Gate has grown more than fourfold since the 1999 starting point.
£283,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 20 years.
£232,000
Growth on file: 7.5% per year over 20 years.
On price per m², 21 Barrowby Gate stands well clear of the street.
Price per m²
£2,729
Street avg £2,075
Floor Area
85 m²
Street avg 133 m²
Habitable Rooms
5 rooms
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Carlisle Close — bus stop.

Daytime· 07:00 – 23:00
52.5dB

Extension: Side and rear of property
Proposed two storey extension to side and single storey extension to rear of existing dwelling including detached single garage
2 more applications for this property
Join to see all planning history.
23 November 2018Most recent
£232,000
+44.5%over 10 years14 December 2007
£160,500
+186.6%over 8 years22 February 1999
£56,000
Median price across the last 5 sales in NG31 7LT: £310,000 (2025–2022).
Street avg 6 rooms
CO₂ Emissions
4.8 t/year
Street avg 5.5 t/year
NG31 7GN
Closest school
0.7 km
West Grantham Church of England Secondary Academy. 19 schools nearby.
Night-time· 23:00 – 07:00
43.1dB
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