18 Chester Street, Cardiff, CF11 6PY
About 18 Chester Street
18 Chester Street is a mid-terrace house in Cardiff (CF11 6PY). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (January 2020) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump.
One planning record on file: an extension approved in 2021. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 2003–2021, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £209,000 is 49.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£217/sq ft) was about 42% above the typical sold price in the postcode. Most recent transfer: January 2021 at £140,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 18 Chester Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
1 application on record at 18 Chester Street, Cardiff, CF11 6PY
- May 2021Loft ConversionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION AND LOFT CONVERSION
Extension- Documents
- 18 docs on file
- Reference
- 21/00485/DCH
Unlock 18 Chester Street, Cardiff, CF11 6PY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 12 notable nearby
- The 18 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£209,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 18 years.
£140,000
Growth on file: 3.5% per year over 18 years.
Sales timeline
20 January 2021Most recent
£140,000
+86.7%over 17 years27 February 2003
£75,000
Median price across the last 5 sales in CF11 6PY: £230,000 (2025–2023).
Nearby sales in CF11 6PY
Versus other Chester Street homes
18 Chester Street is notably below the street on floor area.
Price per m²
£2,333
Street avg £2,104
Floor Area
60 m²
Street avg 70 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.5 t/year
Everything you need to know about 18 Chester Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hereford Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.