<div>
    <label>Property type</label>

    <div class="btn-group btn-group-justified" data-toggle="buttons">
        <div class="btn-group">
            <label class="btn btn-default">
                <input name="FIRST" value="2011" type="radio">HDB
            </label>
        </div>

        <div class="btn-group">
            <label class="btn btn-default active">
                <input name="SECOND" value="2012" type="radio">Condo / Apt
            </label>
        </div>

        <div class="btn-group">
            <label class="btn btn-default">
                <input name="THIRD" value="2013" type="radio">Landed
            </label>
        </div>
    </div>
</div>