21 Ajax Close, Grimsby, DN34 5QR
About 21 Ajax Close
21 Ajax Close is a semi-detached house in Grimsby (DN34 5QR). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (February 2019) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2010. Between certificates, hot-water efficiency went from Average to Good and lighting went from Very Poor to Average; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump.
Across 1999–2019, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £152,000 is 32.2% above the 2019 sale price. Last sale on file: £115,000 in July 2019.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
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Planning history
21 Ajax Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
21 Ajax Close has more than doubled in price since the earliest registered sale in 1999.
£152,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 20 years.
£115,000
Growth on file: 4.6% per year over 20 years.
Sales timeline
18 July 2019Most recent
£115,000
+12.7%over 7 years4 April 2012
£102,000
+115.9%over 12 years19 November 1999
£47,250
Median price across the last 5 sales in DN34 5QR: £120,000 (2025–2018).
Versus other Ajax Close homes
Price per m²
£1,337
Street avg £1,226
Floor Area
86 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.8 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Broadway — bus stop.
Closest school
0.3 km
Laceby Acres Primary Academy. 17 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.3dB

Night-time· 23:00 – 07:00
40.7dB







