Council chiefs say eight new housing developments will be delivered in the Vale as part of a major partnership.
Vale of Glamorgan and Cardiff councils are aiming to deliver around 2,500 homes across the region - including 1,600 new council homes - as part of their collaboration with housing specialists Lovell.
The partnership, which will involve 25 projects, was officially launched on Wednesday at County Hall in Cardiff Bay.
Both local authorities say it's the first of its kind in recent years and marks a significant milestone in their commitment to provide "high quality, affordable and market sale homes" for local communities.
Cllr Lis Burnett, leader of Vale of Glamorgan Council, said: "They will be energy efficient and built sustainably, which aligns perfectly with the Vale of Glamorgan Council’s Project Zero commitment to become carbon neutral by 2030."
"A large proportion will also be council homes, following on from previous house-building schemes to meet growing demand for this type of property."
Locally, the partnership will focus on the Barry, Penarth and Llantwit Major areas - with key projects including the second phase of the Hayeswood Road development and new accommodation for older people in Penarth.
It will also involve transforming the former sites of Pencoedtre High School in Barry and Eagleswell Primary School in Llantwit Major, which is currently home to the controversial mobile home development providing temporary accommodation.

Also on the agenda is the The Mole development on Barry's waterfront, along with 80 new homes at the Broad Street clinic and Gladstone Road site, which will also include a new medical and social care hub.
Cllr Sandra Perkes, cabinet member for public sector housing, added: "The Vale of Glamorgan Council recently completed work on a council housing development on Hayeswood Road in Barry, which came after the delivery of similar projects - Llys Llechwedd Jenner, Lon y Felin Wynt and Clos Holm View."
"We are committed to providing everyone with safe, modern places to live and this partnership will help us realise that aim."

In Cardiff, 17 projects are in the pipeline - including the 500-home development at the Gasworks site in Grangetown and another 400 new homes at Atlantic Wharf in Butetown, close to the new indoor arena.
The partnership has pledged to deliver 75% affordable homes in the Vale of Glamorgan and 59% affordable homes in Cardiff across the region.
But both the authorities and Lovell say aside helping to tackle ongoing pressures, they'll also deliver new community facilities and commercial spaces, along with wellbeing centres to help foster inclusive and thriving neighbourhoods with access to essential services.
James Duffett, Lovell's managing director in South Wales and the West, said: "Over the next decade, we will be working together to deliver thousands of much-needed new homes and community infrastructure, support local businesses and to create hundreds of new jobs for local people."
"This project will be the perfect example of how collaborative working can create real benefit for communities. We are looking forward to pooling together our expertise and transforming these brownfield sites into thriving, sustainable places where people can live, work and grow."
Cardiff Council leader Huw Thomas added: "By working together with our colleagues in the Vale of Glamorgan and Lovell, we are demonstrating our shared commitment to tackling housing need and building thriving, inclusive communities."
"The scale and ambition of this programme will not only provide much-needed affordable homes but also support local economies and deliver new community facilities."
"It’s a proud moment for Cardiff and a significant step forward in our work to ensure everyone has access to a good-quality home."

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