St. Helen's Hotel
Five-star hotel with ballrooms opening onto four acres of landscaped gardens
Castleknock Hotel is a wedding venue in Castleknock, Co. Dublin. Ceremony space that accommodates up to 180 guests. This listing was compiled from publicly available information and hasn't been claimed by the business yet.
Castleknock Hotel publishes wedding packages from €95 to €140 per person. Ask for a written quote for your date and numbers, because Irish venue prices move with the season and the day of the week.
2026 pricing published at €95 to €140 per person depending on package, day and season (published brochure).
For context, couples in Ireland spent an average of €15,087 on the venue, with catering at around €107 per head (weddingsonline Irish Wedding Survey 2025). These are national averages, not Castleknock Hotel’s prices. A package’s headline per-head price often leaves out the drinks reception, table wine and evening food, so compare quotes line by line.
Work out the real per-head cost of any quote with the guest cost calculator.
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