Maritime Buildings, Flat 12, St Thomas Street, Sunderland, SR1 1BL
About Maritime Buildings
Maritime Buildings is a semi-detached house in Sunderland (SR1 1BL). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (May 2025) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 3 certificates since January 2009. Between certificates, roof efficiency went from Good to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 48 m² this is the 2nd smallest of 12 units on EPC record in Maritime Buildings, where floor areas span 46–85 m². The building's EPC ratings span E to C across 12 units on file.
At 48 m² it sits well below the postcode median (70 m² across 11 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Planning history
Maritime Buildings has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at Maritime Buildings
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
Maritime Buildings has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£132,000
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 SR1 1BL: £62,500 (2024–2022).
Nearby sales in SR1 1BL
Maritime Buildings, Flat 5, St Thomas Street, Sunderland, SR1 1BL
Sold Nov 2024
£54,000Maritime Buildings, Flat 7, St Thomas Street, Sunderland, SR1 1BL
Sold Oct 2023
£62,500Maritime Buildings, Flat 11, St Thomas Street, Sunderland, SR1 1BL
Sold Aug 2022
£63,600Maritime Buildings, Flat 3, St Thomas Street, Sunderland, SR1 1BL
Sold Aug 2022
£30,000Maritime Buildings, Flat 10, St Thomas Street, Sunderland, SR1 1BL
Sold Jun 2021
£57,000
Versus other St Thomas Street homes
Maritime Buildings is notably below the street on floor area.
EPC Rating
58 (D)
Street avg 58 (D)
Floor Area
48 m²
Street avg 67 m²
CO₂ Emissions
3.3 t/year
Street avg 3.7 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
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
John Street — bus stop.
Closest school
0.5 km
Hudson Road Primary School. 25 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
57.2dB

Night-time· 23:00 – 07:00
46.9dB








