11 Maldwyn Street, Cardiff, CF11 9JR
About 11 Maldwyn Street
11 Maldwyn Street is a four-bedroom mid-terrace house in Cardiff (CF11 9JR). It has a recorded floor area of 140 m² (around 1507 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (May 2021) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and lighting went from Average to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 74). Period features are noted in the property record. The home occupies a cul-de-sac position.
At 140 m² the property is well over the postcode median (73 m² across 13 EPCs), placing it in the larger end of the local stock. Last sale on file: £515,000 in November 2021. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1999–2021, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £571,000 is 10.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£342/sq ft) was about 30.5% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Outside
- Private gardenYes
- Cul-de-sacYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
EPC Rating
Certificate validity
Valid until 5 May 2031
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
11 Maldwyn Street has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 11 Maldwyn Street was the highest on Land Registry record across the postcode.
£571,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 22 years.
£515,000
Growth on file: 8.3% per year over 22 years.
Sales timeline
25 November 2021Most recent
£515,000
+106.0%over 10 years10 December 2010
£250,000
+56.3%over 9 years16 November 2001
£160,000
+47.8%over 1 year10 March 2000
£108,290
+21.7%14 December 1999
£89,000
Median price across the last 5 sales in CF11 9JR: £250,000 (2026–2012).
Nearby sales in CF11 9JR
Versus other Maldwyn Street homes
On floor area, 11 Maldwyn Street stands well clear of the street.
EPC Rating
61 (D)
Street avg 64 (D)
Floor Area
140 m²
Street avg 119 m²
CO₂ Emissions
5.4 t/year
Street avg 4.5 t/year
Habitable Rooms
7 rooms
Street avg 6 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Halfway Hotel — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







