12a, Dolphin Street, Cleethorpes, DN35 8NE
About 12a
12a is a mid-terrace house in Cleethorpes (DN35 8NE). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (September 2020) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2009. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Poor to Average and lighting went from Poor to Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80).
It hasn't traded since November 2003, a hold of 23 years that's notably long for the area. At 105 m² the property is well over the postcode median (78 m² across 18 EPCs), placing it in the larger end of the local stock. Across 2001–2003, sale prices on this property compounded at 32.3% per year. Today's modelled estimate of £129,000 sits 101.6% above the 2003 sale of £64,000. On a £-per-square-foot basis, the last sale (£57/sq ft) was about 23% below the postcode norm.
Know exactly what you're buying at 12a
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Planning history
12a has no planning applications on record.
Notable planning nearby
12applications of note in the surrounding area
We flagged 1 thing worth checking at 12a
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
12a's estimated value is more than triple its earliest registered sale price (2001).
£129,000
Modelled from EPC, postcode comparables and a sale-price growth of 32.3% per year over 2 years.
£64,000
Growth on file: 32.3% per year over 2 years.
Sales timeline
20 November 2003Most recent
£64,000
+96.9%over 2 years18 June 2001
£32,500
Median price across the last 5 sales in DN35 8NE: £51,000 (2023–2019).
Nearby sales in DN35 8NE
9 Dolphin Street, Cleethorpes, DN35 8NE
Sold Mar 2023
£135,000Top Flat, 6 Dolphin Street, Cleethorpes, DN35 8NE
Sold Feb 2023
£50,0008a, Dolphin Street, Cleethorpes, DN35 8NE
Sold Jan 2023
£6,0005 Dolphin Street, Cleethorpes, DN35 8NE
Sold Jan 2019
£70,0003 Dolphin Street, Cleethorpes, DN35 8NE
Sold May 2017
£80,000
Everything we know about 12a, 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 Dolphin Street homes
12a is notably below the street on price per m².
Price per m²
£610
Street avg £935
Floor Area
105 m²
Street avg 103 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.9 t/year
Street avg 5.9 t/year
Similar properties nearby
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
Alexandra Road — bus stop.
Closest school
0.2 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
50.4dB

Night-time· 23:00 – 07:00
41.2dB