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 £144,000 is 25.2% 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
Certificate validity
Valid until 6 February 2029
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.
£144,000
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
Floor Area for 21 Ajax Close lags the street by a wide margin.
Price per m²
£1,337
Street avg £1,159
Floor Area
86 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.7 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
131/mo
Falling 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







