McCarthy & Stone has set its opening share price at 180p, valuing the company at £967m.
The initial offering of £336m of shares will see £90m of the proceeds go towards further investment in land and other assets.
£246m of proceeds from the float will go to the selling shareholders.
The flotation aims to allow the company to increase investment potential in addition to its previously stated development of another 3,000 homes per annum over the medium term.
In addition to the initial offering amount, an over-allotment amount of 15% of base offer shares will be available depending on demand.
Trading in the company will commence on 11 November.
