The hosts led by 0-07 to 0-00 after 11 minutes, and although IT Carlow netted a goal, Dublin kicked on with Costello and Paddy Andrews firing goals before the break to ensure a 2-16 to 1-02 half-time advantage.

A 42nd minute Costello penalty goal helped Dublin to a 3-18 to 1-03 advantage, and they pushed 23 points clear entreating the final quarter, thanks to scores from Michael Deegan and Costello.

IT Carlow bagged a second goal from Chris Healy, but it came too late.

Dublin and DCU will face-off next Sunday for a semi-final spot, after the North Dublin University beat Wexford by 1-08 to 1-03 in Enniscorthy.

DCU led by 0-08 to 0-01 at half-time, and continued to stay on top on the restart, despite playing against a strong wind in the closing 35 minutes.

A 17-minute spell which saw Laois bag 1-7 without reply, helped the O’Moore’s to a 1-16 to 1-09 win over neighbours Carlow at O’Moore Park.

Carlow led by 1-04 to 0-02 after 16 minutes, with John Murphy netting a goal, but the visitors were unable to withstand a strong Laois comeback.

A Paul Cahillane goal levelled the tie at 1-04 apiece, before Laois claimed a 1-09 to 1-04 half-time lead, with Donal Kingston and John O’Loughlin impressive.

Substitutes Darragh Foley and Jack Kennedy worked hard for Carlow, but Laois kicked on for a seven-point win.

Early goals from Jim McEnaney and Barry Flanagan helped Louth to a 2-11 to 0-08 win over Kildare in Hawkfield.

Both of Louth’s green flags came in the opening quarter, as Louth took a 2-04 to 0-02 advantage.

Kildare struggled for scores in the second half, with a Cathal McNally point their first score of the half with seven minutes left on the clock, to ensure a 2-10 to 0-06 score-line.

Despite being outscored in the closing stages, Louth firmly done enough to take victory.

A late Denis Corroon point saw Westmeath claim a 0-14 to 1-10 win over Longford.

Wind assisted Longford led by 1-10 to 0-03 at half-time, with Michael Brady netting a 16th minute goal, but Westmeath turned the tables.

Westmeath were held to just two points in the opening quarter - both coming early on, as scores from Ger Egan and Shane Dempsey had the sides tied at 0-02 apiece after seven minutes.

However, Longford were hugely impressive, and moved 10 points clear at the break, with Brian Kavanagh among their scorers.

But Westmeath made full use of a strong win on the restart with Corroon the hero.

UCD made a strong comeback as they claimed a 2-8 to 0-11 win over Meath in Simonstown.

Meath led by 0-08 to 1-03 at half-time, with Donal Lenihan, Andrew Tormey and Sean Tobin among the Royals scorers, but the students worked hard on the restart.

Goals in either half helped DIT to a 2-11 to 0-10 win over Offaly at Dunganny.

DIT led by 1-06 to 0-03 at half-time, with Ryan Connolly netting their opening goal.

Maynooth University were 1-15 to 0-9 winners over Wicklow in Ballinakill.