13 Sealock Warehouse, Burt Street, Cardiff, CF10 5GG
About 13 Sealock Warehouse
13 Sealock Warehouse is a one-bedroom mid-terrace house in Cardiff (CF10 5GG). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (March 2024) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it B (June 2013); the latest reading is 2 bands lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump. Main heating runs on electricity. At 35 m² this is the 13th smallest of 21 units on EPC record in the building, where floor areas span 30–47 m². The building's EPC ratings span E to C across 21 units on file.
It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). On the market in September 2013 and unlisted since — roughly 13 years. Across 2008–2013, sale prices on this property compounded at -6.1% per year. Today's modelled estimate of £116,000 is 35.7% above the 2013 sale price.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 5 March 2034
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
13 Sealock Warehouse has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£116,000
Modelled from EPC, postcode comparables and a sale-price growth of -6.1% per year over 5 years.
£85,500
Growth on file: -6.1% per year over 5 years.
Sales timeline
16 September 2013Most recent
£85,500
-28.7%over 5 years8 May 2008
£120,000
Median price across the last 5 sales in CF10 5GG: £99,000 (2020–2018).
Nearby sales in CF10 5GG
5 Sealock Warehouse, Burt Street, Cardiff, CF10 5GG
Sold Feb 2020
£88,0008 Sealock Warehouse, Burt Street, Cardiff, CF10 5GG
Sold Apr 2019
£99,00019 Sealock Warehouse, Burt Street, Cardiff, CF10 5GG
Sold Dec 2018
£115,0004 Sealock Warehouse, Burt Street, Cardiff, CF10 5GG
Sold Sept 2018
£97,00021 Sealock Warehouse, Burt Street, Cardiff, CF10 5GG
Sold Apr 2018
£116,500
Versus other Burt Street homes
On price per m², 13 Sealock Warehouse runs well behind the street norm.
Price per m²
£2,443
Street avg £2,749
Floor Area
35 m²
Street avg 36 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.9 t/year
Street avg 1.6 t/year
Similar properties nearby
1 Heol Staughton
CF10 5FS
1 Hansen Court, Heol Glan Rheidol
CF10 5NX
1 Clarence Mews, Clarence Embankment
CF10 5GF
1 Clarence Court, Pomeroy Street
CF10 5GT
1 Carlotta Way
CF10 5FY
1 Harbour Point, Stuart Street
CF10 5BW
1 Ezel Court, Heol Glan Rheidol
CF10 5NS
1 Empire House, Mount Stuart Square
CF10 5LR
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
485/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Pomeroy Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







