9 Cotham Gardens, Keelby, Grimsby, DN41 8RB
About 9 Cotham Gardens
9 Cotham Gardens is a detached house in Keelby, Grimsby, Grimsby (DN41 8RB). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (June 2026) shows a C (score 72). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since December 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £243,000 sits 200% above the 1999 sale of £81,000. On a £-per-square-foot basis, the last sale (£85/sq ft) was about 58% below the postcode norm. One planning record on file: an extension approved in 2015. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 85% of similar EPCs).
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 24 June 2036
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Planning history
9 Cotham Gardens has an approved single-storey rear extension on the planning record.
1 application on record at 9 Cotham Gardens, Keelby, Grimsby, DN41 8RB
- Aug 2015ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Planning application to erect single storey rear extension, including the removal of existing conservatory.
- Documents
- 6 docs on file
- Reference
- 133066
Unlock 9 Cotham Gardens, Keelby, Grimsby, DN41 8RB's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
9 Cotham Gardens's estimated value is more than triple its earliest registered sale price (1999).
£243,000
Modelled from EPC, postcode comparables.
£81,000
Recorded with HM Land Registry.
Sales timeline
6 December 1999Most recent
£81,000
Median price across the last 5 sales in DN41 8RB: £240,000 (2025–2022).
Nearby sales in DN41 8RB
21 Cotham Gardens, Keelby, Grimsby, DN41 8RB
Sold May 2025
£240,00019 Cotham Gardens, Keelby, Grimsby, DN41 8RB
Sold Dec 2024
£300,0003 Cotham Gardens, Keelby, Grimsby, DN41 8RB
Sold Jun 2024
£295,00012 Cotham Gardens, Keelby, Grimsby, DN41 8RB
Sold Jun 2022
£180,00027 Cotham Gardens, Keelby, Grimsby, DN41 8RB
Sold Jan 2022
£220,000
Versus other Cotham Gardens homes
9 Cotham Gardens is notably below the street on price per m².
Price per m²
£910
Street avg £2,535
Floor Area
89 m²
Street avg 86 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Karen Avenue, Keelby
DN41 8EU
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1 Holly Close, Stallingborough
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1 Brocklesby Road, Keelby
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1 Almond Grove, Stallingborough
DN41 8FE
1 Church Lane, Keelby
DN41 8ED
1 Cotham Gardens, Keelby
DN41 8RB
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DN41 8SB
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
25/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Cotham Gardens — bus stop.
Closest school
0.7 km
Keelby Primary Academy. 1 school 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
48.3dB

Night-time· 23:00 – 07:00
41.6dB







