Flat 12, 13 Undercliff, St Leonards On Sea, TN38 0DJ
About Flat 12
Flat 12 is a mid-terrace house in St Leonards On Sea (TN38 0DJ). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to before 1900 and council tax band A. At 38 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 31–48 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 62). The latest certificate (November 2023) shows a C (score 77), near the top of the C band. When first surveyed in January 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Poor to Average.
At 38 m² it's 28.3% smaller than the typical home in the postcode (53 m² median across 9 EPCs).
Energy performance
Flat 12's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Windows upgraded, improving insulation
Wall insulation improved
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Single glazing replaced with double or better glazing
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Planning history
Flat 12 has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 12
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Flat 12 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£155,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in TN38 0DJ: £444,500 (2021–2007).
Nearby sales in TN38 0DJ
9 Undercliff, St Leonards On Sea, TN38 0DJ
Sold Mar 2021
£725,000Flat 4, 10 Undercliff, St Leonards On Sea, TN38 0DJ
Sold Nov 2009
£103,500Flat 2, 10 Undercliff, St Leonards On Sea, TN38 0DJ
Sold May 2007
£125,000Flat 1, 10 Undercliff, St Leonards On Sea, TN38 0DJ
Sold Jan 2002
£42,50011 Undercliff, St Leonards On Sea, TN38 0DJ
Sold Apr 2000
£86,000
Versus other Undercliff homes
On co₂ emissions, Flat 12 stands well clear of the street.
EPC Rating
77 (C)
Street avg 66 (D)
Floor Area
38 m²
Street avg 50 m²
CO₂ Emissions
1.1 t/year
Street avg 2.3 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Market Street — bus stop.
Closest school
0.8 km
St Mary Star of the Sea Catholic Primary School. 13 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
53.9dB

Night-time· 23:00 – 07:00
43.3dB







