347 Seawall Lane, North Cotes, Grimsby, DN36 5XE
About 347 Seawall Lane
347 Seawall Lane is a three-bedroom semi-detached house in North Cotes, Grimsby, Grimsby (DN36 5XE). It has a recorded floor area of 155 m² (around 1668 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (February 2020) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in February 2017 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Poor, window efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76). Main heating runs on oil. Other recorded features include a self-contained annexe. The home occupies a cul-de-sac position.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 155 m² it's 21.1% larger than the typical home in the postcode (128 m² median across 26 EPCs). Across 1997–2020, sale prices on this property compounded at 7% per year. Today's modelled estimate of £204,000 is 29.5% above the 2020 sale price. Last sale on file: £157,500 in August 2020.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- Utility roomYes
Outside
- Private gardenYes
- ParkingOff road
- Cul-de-sacYes
Everything you need to know about 347 Seawall Lane
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
347 Seawall Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
2 applications on record at 347 Seawall Lane, North Cotes, Grimsby, DN36 5XE
- Jun 2009ExtensionFullOutcome in report
Planning Permission - Extension and alterations to existing dwelling to provide a ground floor utility, lounge and shower room with WC on the site of an existing porch and garage which are to be removed, erection of a detached single garage and provision of a vehicular access.
- Documents
- 7 docs on file
- Reference
- N/127/01050/09
- More recent applications — locked
- AmendmentNov 2009Decision
Unlock 347 Seawall Lane, North Cotes, Grimsby, DN36 5XE's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 15 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 347 Seawall Lane has grown more than fourfold since the 1997 starting point.
£204,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 23 years.
£157,500
Growth on file: 7.0% per year over 23 years.
Sales timeline
27 August 2020Most recent
£157,500
+215.0%over 19 years18 October 2000
£50,000
+56.3%over 3 years20 March 1997
£32,000
Median price across the last 5 sales in DN36 5XE: £187,000 (2025–2023).
Nearby sales in DN36 5XE
399 Seawall Lane, North Cotes, Grimsby, DN36 5XE
Sold Sept 2025
£187,000344 Seawall Lane, North Cotes, Grimsby, DN36 5XE
Sold Jul 2025
£95,000389 Seawall Lane, North Cotes, Grimsby, DN36 5XE
Sold Sept 2024
£170,000166 Seawall Lane, North Cotes, Grimsby, DN36 5XE
Sold Jun 2023
£340,000400 Seawall Lane, North Cotes, Grimsby, DN36 5XE
Sold Feb 2023
£267,500
Versus other Seawall Lane homes
EPC Rating for 347 Seawall Lane runs comfortably ahead of the street norm.
Price per m²
£1,016
Street avg £1,171
Floor Area
155 m²
Street avg 149 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
6.7 t/year
Street avg 8.9 t/year
Everything you need to know about 347 Seawall Lane
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Demand Responsive Area — bus stop.
Closest school
2.4 km
The North Cotes Church of England Primary School. 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
40.5dB

Night-time· 23:00 – 07:00
35.1dB






