13 Monarch Flats, Marshalsea Road, Southwark, London, SE1 1HQ
About 13 Monarch Flats
13 Monarch Flats is a semi-detached house in Southwark, London, London (SE1 1HQ). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (November 2024) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2015. Between certificates, lighting went from Average to Good. At 54 m² this is the 4th smallest of 6 units on EPC record in the building, where floor areas span 37–81 m². The building's EPC ratings span E to C across 6 units on file.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
13 Monarch Flats has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
13 Monarch Flats has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£413,000
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 2 sales in SE1 1HQ: £346,000 (2021–2007).
Nearby sales in SE1 1HQ
Versus other Marshalsea Road homes
13 Monarch Flats is notably below the street on epc rating.
EPC Rating
61 (D)
Street avg 65 (D)
Floor Area
54 m²
Street avg 55 m²
CO₂ Emissions
2.7 t/year
Street avg 2.3 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
44/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Borough Station — bus stop.
Closest school
0.1 km
The Cathedral School of St Saviour and St Mary Overie. 98 schools 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
62.2dB

Night-time· 23:00 – 07:00
54.3dB







