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Get started23 Grammar School Road is a three-bedroom detached house in Brigg (DN20 8AF). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (August 2022) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in February 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good; while lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to B (score 87), a 2-band jump.
It hasn't traded since November 2007, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £177,000 is 41.6% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£124/sq ft) was about 41.1% above the typical sold price in the postcode. At 94 m² it's 15.3% smaller than the typical home in the postcode (111 m² median across 15 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£177,000
Modelled from EPC, postcode comparables.
£125,000
Recorded with HM Land Registry.
23 Grammar School Road outperforms the street on years held by a wide margin.
Price per m²
£1,330
Street avg £1,082
Floor Area
94 m²
Street avg 113 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Sir John Nelthorpe School — bus stop.

Daytime· 07:00 – 23:00
55.5dB

Changes detected from historical EPC data
Window efficiency improved
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
23 November 2007Most recent
£125,000
Median price across the last 5 sales in DN20 8AF: £134,000 (2025–2020).
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 5.5 t/year
DN20 8AP
Closest school
0.1 km
Sir John Nelthorpe School. 5 schools nearby.
Night-time· 23:00 – 07:00
48.3dB
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