Wales Most Expensive £1.25m Penthouse Apartment Listed in Cardiff 2026

Key Points

• The Cutlan, the most expensive apartment in Wales, has recently entered the market with a valuation of £1,250,000.
• The luxury penthouse is located in the top part of a Grade II listed building in Cardiff Bay which used to be a Midland Bank and then a branch of HSBC.
• This property offers an interior area of 2,723 square feet accompanied by exterior terraces and balconies totaling 893 square feet.
• Luxury items found in the interior include LED lighting systems manufactured by Faro Barcelona, hardwood-engineered oak flooring provided by Broadleaf, and Control 4 Smart Home Automation.
• The kitchen has built-in AEG appliances, Quooker tap, and solid stone worktops with waterfall edges.
• Tiles in bathrooms are imported from Grespania in Italy and Mandarin Stone, while sanitaryware is made by Crosswater and vanities are Pozzebon custom-made.
• The climate is maintained with a Mitsubishi air source heat pump, and there are two private parking spaces for the residents of the penthouse.
• The penthouse is offered for sale with a 999-year lease, ground rent at £0 per year, and a yearly service charge around £4,500.

Cardiff (Cardiff Daily) September 20, 2026 – A brand-new luxury penthouse apartment situated on the rooftop of a historic Cardiff Bay landmark has hit the property market for £1,250,000, making it officially the most expensive flat currently for sale in Wales. Marketed by estate agent CPS Homes, the sprawling residence combines modern high-end architectural design with panoramic capital views, occupying the upper tier of a grand Victorian building steeped in local financial heritage.

What are the key features and specifications of Wales’ most expensive apartment?

The luxury new-build residence, commercialised under the name The Cutlan, spans a generous internal footprint of 2,723 square feet. As reported by WalesOnline, the property is designed to maximize visual impact, featuring an open-plan lounge and dining area stretching 11 metres wide with floor-to-ceiling windows and balconies positioned at either end.

As detailed by CPS Homes, the penthouse is packed with carefully curated fixtures and technology. Lighting throughout the property includes LED downlights supplied by Faro Barcelona, while living spaces are fitted with hardwood-engineered oak flooring from Broadleaf. The infrastructure includes recessed electric blind boxes pre-wired back to a Control 4 Smart Homes Automation system.

The central kitchen area features bespoke cabinetry, integrated AEG cooking appliances, a Quooker tap, and solid stone work surfaces complete with waterfall edges. Accommodation includes multiple bedrooms and two luxury bathrooms finished with tiles imported from Italian firm Grespania and Mandarin Stone. These spaces incorporate bronze sanitaryware by Crosswater, a custom double vanity unit imported from Italian firm Pozzebon, and a freestanding bathtub with a floor-mounted tap.

Climate control across the living spaces and bedrooms is managed via a Mitsubishi air source heat pump. Externally, the property offers 893 square feet of elevated outdoor space divided across multiple terraces and balconies, alongside two private car parking spaces.

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What is the historical background of the building housing The Cutlan?

The luxury penthouse sits on the rooftop of an eye-catching Grade II listed bathstone building located in Cardiff Bay. According to historical records, the structure’s origins link directly to the rapid growth, wealth, and international importance of the Cardiff docks, having been originally built in 1874 for influential coal owners and exporters.

Over subsequent decades, the building underwent structural modifications, notably including the redesign of the ground-floor windows and doors executed by Midland Bank’s architect, T. B. Whinney. Recognizing its architectural significance, Cadw awarded the property a Grade II listing in 1975, classifying it as an impressive example of High Victorian commercial architecture situated on a prominent site. The building maintained its connection to the banking sector for over a century until its final closure as an HSBC branch in December 2014.

What are the financial and logistical details for prospective buyers?

The high-end property comes with specific leasehold terms and management stipulations. According to marketing details provided by CPS Homes, The Cutlan is offered with a 999-year lease.

The financial agreement features zero ground rent, paired with an annual service charge of approximately £4,500 to cover communal upkeep and management of the historic building. Prospective buyers seeking further logistical information regarding the property or wishing to arrange a viewing can contact CPS Homes.

Background of the particular development

The transformation of historic commercial buildings into high-end residential spaces reflects a broader regeneration trend across UK city centres and dockland ports. Structures like the former Midland and HSBC bank in Cardiff Bay were originally constructed during the peak of South Wales’ industrial revolution, when Cardiff served as a global hub for coal export. As traditional banking models shifted and corporate spaces became vacant, developers increasingly turned their attention to these architecturally rich, Victorian-era landmarks. Converting flat commercial rooftops into bespoke penthouse apartments allows real estate developers to maximize land value in prime urban locations while preserving Victorian heritage assets that secured statutory protection under Cadw listings.

Potential impact on the local audience

This multi-million-pound property listing signals a continued strengthening of the high-end luxury housing market within the Welsh capital, potentially influencing property valuations across prime postcodes in Cardiff Bay and the city centre. For high-net-worth buyers, investors, and local property developers, the presence of a £1.25 million apartment demonstrates robust market confidence in ultra-prime residential conversions. However, for the wider local audience and first-time buyers navigating Cardiff’s housing market, developments of this scale underscore the growing affordability gap. As high-value architectural conversions command record-breaking figures, standard residential buyers may experience intensified competition and pricing pressures across urban regeneration zones within South Wales.