Affordable Cardiff City Centre Living: Conversions & Supermarkets 2026 

Key Points

• Growing trend of residential living in Cardiff city centre, beyond student accommodation, creating bustling residential pockets.
• National brand supermarkets like Sainsbury’s on Queen Street (133-139 Queen Street) and Tesco on St Mary Street (26-27 St Marys Street) support city centre residents.
• Offices being converted into apartments to rent, part of wider regeneration.
• Cardiff Council approved conversion of 14 Windsor Place office into luxury flats with five-floor extension, yielding six apartments and one duplex.
• Developer Jardine Norton Estates Ltd noted robust market demand and building no longer suitable for modern offices due to heating, cooling, and layout issues.
• Central Square redevelopment delivers office, residential, and commercial space, with further high-density residential planned.
• Population growth, economic factors, and infrastructure upgrades drive demand and prices.

Cardiff City Centre (Cardiff Daily) April 30, 2026 –

Cardiff city centre is witnessing a rise in residential living that challenges perceptions of high costs, with offices converting to apartments and national supermarkets catering to locals. This trend supports a growing population in the capital’s heart, as reported across multiple outlets.

What Is Driving Residential Growth in Cardiff City Centre?

A growing trend sees pockets of bustling residential areas emerging in Cardiff city centre, bringing life beyond student blocks. As noted in WalesOnline coverage, national brand supermarkets have opened on prime sites like St Mary Street and Queen Street, indicating sustained resident demand.[ from query]

The most recent development involves offices being converted into apartments for rent. For instance, Sainsbury’s operates at 133-139 Queen Street, Cardiff CF10 2BJ, open daily from 07:00 to 20:30, while Tesco Cardiff St Marys Express at 26-27 St Marys Street runs from 06:00 to 23:00 most days.

Premier stores at 117 Queen Street further bolsters convenience for city centre dwellers.

Which Office Conversions Are Underway in Cardiff?

Cardiff Council approved plans to transform an office at 14 Windsor Place into luxury flats, adding five floors to the rear. As reported by WalesOnline, the first, second, and third floors convert to residential, while ground and lower ground remain offices, yielding six apartments and one duplex apartment.

The developer, Jardine Norton Estates Ltd, stated in the application:

“Our client’s vision is to reintegrate this former residential property into productive use by advocating for a mixed-use development.”

They highlighted a “robust market demand” for the project near the city centre, opting for 14 bicycle spaces over car parking.

Planning documents note the building was “no longer suitable for contemporary office needs” due to heating and cooling issues and a “historically compromised” layout. After four years of adaptation attempts, the applicant moved to Cardiff Bay.

Other conversions include Scott Harbour in Cardiff Bay, where a former office became 78 affordable council apartments in partnership with Rightacres Property Developers. Nation.Cymru reported the final phase delivered one, two, three, and four-bedroom units for families and those on the social housing list.

How Does Regeneration Support City Centre Living?

Central Square around Cardiff Central Station has delivered over one million square feet of office, residential, and commercial space, with expansions including high-density residential and a transport interchange. Leanne Kent Property detailed this as redefining urban living and boosting rental demand.[page:1 from fetch]

Atlantic Wharf in Cardiff Bay, a £1 billion scheme, brings over 1,500 homes, offices, hotels, leisure, and a 16,500-capacity New Cardiff Bay Arena, increasing demand for nearby apartments.

Central Quay masterplan redevelops the former Brains Brewery site into apartments, offices, hotels, and leisure along the River Taff, linking city centre to Bay.

A 50-storey skyscraper near Central Station plans over 500 apartments, co-working, and leisure. A £140 million upgrade to Cardiff Central Station starts in 2026, enhancing connectivity.

What Amenities Make City Centre Living Viable?

Supermarkets underscore residential viability. Sainsbury’s Queen Street store supports daily needs, as does Tesco St Marys and Premier on Queen Street.

Build-to-rent blocks like Wood Street House, PLATFORM_ Cardiff, and Verse add hundreds of units with gyms, terraces, and co-working; one-beds average £944 pcm, two-beds £1,240.

Viewing numbers up 10% year-on-year in early 2026 signal demand, per Hern & Crabtree, with stable prices in £300k-£700k range in areas like Heath, Rhiwbina.

What Role Does Population Growth Play?

Cardiff’s population influx from jobs, universities, and economy pressures housing supply. Leanne Kent Property noted this drives competition, with developers responding via energy-efficient homes.

First-time buyers eye affordable spots, though city centre focuses on apartments.

Callaghan House in Adamsdown converts CCHA offices into six energy-efficient homes (three 2-bed, three 3-bed) with gardens, by YourSpace Projects Ltd.

Sanatorium Road, Canton, builds 103 affordable homes (71 apartments, 32 houses), 50 for over-55s, via United Welsh, Cardiff Council, Welsh Government.

Background of the Particular Development

This development stems from post-pandemic shifts, with offices underused due to remote work, prompting conversions under permitted development rights. Cardiff’s regeneration, like Central Square (ongoing since 2010s), addresses housing shortages amid 3% annual rental growth forecast. Supermarket expansions reflect resident numbers rising, supported by council policies for mixed-use to revive high streets. Projects like Windsor Place follow patterns seen in Scott Harbour (completed 2026 phases).

Prediction: How This Development Can Affect Potential City Centre Residents

This development can provide more rental options in central locations, reducing commute times for workers and access to amenities like supermarkets. Conversions may offer modern units at competitive rents, appealing to young professionals and downsizers, though luxury focus at Windsor Place targets mid-market. Increased supply could stabilise prices, but high demand from population growth might limit affordability gains. Residents gain vibrant living with shops and leisure nearby, potentially improving quality of life without suburban moves.