Flat B, 25 Cosgrove Street, Cleethorpes, DN35 8NA
About Flat B
Flat B is a two-bedroom mid-terrace house in Cleethorpes (DN35 8NA). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (October 2018) shows a C (score 73). When first surveyed in October 2008 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Good.
Held since March 2000 — that's 26 years off the open market, well above the local norm. Across 1996–2000, sale prices on this property compounded at 20.1% per year. Today's modelled estimate of £113,000 sits 289.7% above the 2000 sale of £29,000. At 36 m² it sits well below the postcode median (79 m² across 25 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 88% of similar EPCs).
Know exactly what you're buying at Flat B
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms2
Energy performance
Flat B's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Hot water system upgraded
Single glazing replaced with double or better glazing
Loft insulation upgraded to recommended levels
Planning history
Flat B has no planning applications on record.
Notable planning nearby
12applications of note in the surrounding area
We flagged 1 thing worth checking at Flat B
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
Flat B's modelled value sits at over four times its earliest registered sale price (1996).
£113,000
Modelled from EPC, postcode comparables and a sale-price growth of 20.1% per year over 4 years.
£29,000
Growth on file: 20.1% per year over 4 years.
Sales timeline
17 March 2000Most recent
£29,000
+100.0%over 3 years28 August 1996
£14,500
-3.3%13 August 1996
£15,000
Median price across the last 5 sales in DN35 8NA: £90,000 (2025–2019).
Nearby sales in DN35 8NA
3 Cosgrove Street, Cleethorpes, DN35 8NA
Sold May 2025
£110,0009 Cosgrove Street, Cleethorpes, DN35 8NA
Sold Apr 2024
£72,00043 Cosgrove Street, Cleethorpes, DN35 8NA
Sold Jan 2022
£70,00010 Cosgrove Street, Cleethorpes, DN35 8NA
Sold Sept 2021
£100,00015 Cosgrove Street, Cleethorpes, DN35 8NA
Sold Feb 2019
£90,000
Everything we know about Flat B, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Cosgrove Street homes
EPC Rating for Flat B runs comfortably ahead of the street norm.
EPC Rating
73 (C)
Street avg 50 (E)
Floor Area
36 m²
Street avg 35 m²
CO₂ Emissions
1.4 t/year
Street avg 2.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Market Street — bus stop.
Closest school
0.1 km
St Peter's CofE Primary School. 19 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.9dB

Night-time· 23:00 – 07:00
41.4dB