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Get started22 Swinegate is a semi-detached house in Grantham (NG31 6RJ). It has a recorded floor area of 324 m² (around 3488 sq ft) and construction records dating it to 2020. The latest certificate (May 2021) returns a B (score 83), comfortably above the UK average. When first surveyed in June 2014 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Good and window efficiency went from Average to Very Good.
Sale prices here have outpaced England HPI: 42.8% per year against 0% for the wider region. Today's modelled estimate of £381,000 is 26% below the 2021 sale of £515,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. At 324 m² the property is well over the postcode median (105 m² across 10 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 0 approved, 2 refused. Last sale on file: £515,000 in July 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
22 Swinegate ranks among the most efficient homes in the postcode for energy use.
Council records show a subdivision application — the property's legal arrangement has been altered.
Conversion of first and second floors into two, 3 bedroom flats.
Latest sale on 22 Swinegate was the highest on Land Registry record across the postcode.
£381,000
Modelled from EPC, postcode comparables and a sale-price growth of 42.8% per year over 3 years.
£515,000
Growth on file: 42.8% per year over 3 years.
22 Swinegate outperforms the street on epc rating by a wide margin.
Price per m²
£1,590
Street avg £1,293
Floor Area
324 m²
Street avg 125 m²
CO₂ Emissions
5.7 t/year
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Vine Street — bus stop.

Daytime· 07:00 – 23:00
52.4dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
High performance glazing installed
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Conversion of first and second floors into two, 3 bedroom flats.
6 July 2021Most recent
£515,000
+164.1%over 2 years15 October 2018
£195,000
Median price across the last 5 sales in NG31 6RJ: £170,000 (2025–2022).
Street avg 8.6 t/year
Years Held
5 years
Street avg 9 years
NG31 6JF
Closest school
0.1 km
St Wulfram's National Church of England Primary School. 20 schools nearby.
Night-time· 23:00 – 07:00
43.0dB
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