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Get started10 Sebastian Mews is a one-bedroom detached house in Great Gonerby, Grantham, Grantham (NG31 8PR). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1991-1995 and council tax band A. The latest certificate (June 2024) shows a D (score 59), a step below the typical UK home. When first surveyed in June 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Average, lighting went from Poor to Good and main heating went from Poor to Average. Main heating runs on electricity. At 51 m² this is the 6th smallest of 8 units on EPC record in the building, where floor areas span 35–54 m². The building's EPC ratings span E to C across 8 units on file. Other recorded features include outbuildings.
Untraded for 15 years, with the last transfer in March 2011. Sale prices here have outpaced England HPI: 3.1% per year against 0% for the wider region. Today's modelled estimate of £114,000 sits 62.9% above the 2011 sale of £70,000. On a £-per-square-foot basis, the last sale (£128/sq ft) was about 25.7% below the postcode norm. At 51 m² the property is well over the postcode median (37 m² across 7 EPCs), placing it in the larger end of the local stock.
10 Sebastian Mews valuation sits well clear of the typical sold price in this postcode.
£114,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 9 years.
£70,000
Growth on file: 3.1% per year over 9 years.
10 Sebastian Mews is notably below the street on price per m².
Price per m²
£1,373
Street avg £2,232
Floor Area
51 m²
Street avg 43 m²
Habitable Rooms
3 rooms
Street avg 3 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
0.0 km

Daytime· 07:00 – 23:00
47.1dB

Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 March 2011Most recent
£70,000
+30.2%over 8 years12 July 2002
£53,750
Median price across the last 5 sales in NG31 8PR: £90,000 (2023–2020).
CO₂ Emissions
4.8 t/year
Street avg 3.0 t/year
NG31 8RY
Primary School — bus stop.
Closest school
0.0 km
The St Sebastian's Church of England Primary School, Great Gonerby. 12 schools nearby.
Night-time· 23:00 – 07:00
39.1dB
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