10.30 am to 1.30 pm with lunch at midday OR midday to 3 pm with lunch at 1 pm (or times to be discussed).
£16.25 per child, includes:
We request a deposit of £65 when you make the booking.
Payment is due in full the day before your party when you confirm the numbers attending.
Catering alternatives can be discussed but may be subject to additional charge.
With every 4 children you can bring 1 adult free of charge to help you supervise your group.
Adults above the free ratio can stay for a reduced admission of just £7 pp.
Siblings (age 4+) of party guests will also be charged £7 admission and must be supervised by an adult at all times. Adult meals can be ordered on the day, plus our Café will be open if you wish to purchase drinks & snacks.
Please note: the charity is unable to refund any overpayments.
What better way for your budding astronomer to celebrate their birthday than with a twilight stargazing party...
4pm to 7pm or 5pm to 8pm (or similar to be discussed).
£325 for group up to 12 children and 3 adults, includes:
We request a deposit of £65 when you make the booking.
Payment is due in full the day before your party when you confirm the numbers attending.
Catering alternatives can be discussed but may be subject to additional charge.
Please note: the charity is unable to refund any overpayments.
To check availability please call or email us.
We take booking details over the phone and payment can be cash, card or cheque (payable to 'Science Projects Ltd'.) This becomes non-refundable if the party is cancelled by you at less than 3 weeks’ notice.
Daytime 3 hour party: £130 for the minimum of 8 children (+ 2 free adults).
Twilight 3 hour party: £325 for group up to 12 children and 3 adults.
Birthday Cake: you may also like to order a homemade tray bake if you do not want to bring your own cake.
Goody Bags: we offer several choices of Goody Bags which you can pre-order.
All hosts are required to complete our Birthday Party Code of Conduct.
We offer Goody Bags from £4.50.
Our Gift Shop is stocked full of exciting science and astronomy pocket money merchandise and you are welcome to purchase items before or during your party.
You can order a delicious homemade single layer tray bake if you do not want to bring your own cake.
Choose from: Chocolate with chocolate buttercream, Lemon with lemon buttercream or Victoria with strawberry jam and plain buttercream all decorated with an assortment of sweets.
The cake costs £12.50, measure approx. 30 cms x 23 cms (12" x 9") and will be on a board so you can take everything away - including any uneaten cake!
• The Centre is the venue for your party: we do NOT supervise your children. You bring a ratio of free adults (1 per 4 children) who have responsibility for the children at all times.
A member of our team will be your party co-ordinator on the day and will meet your group, advise of timings, lead the tour, activity and generally oversee and be on hand to answer questions. They will not take responsibility for your children.
•You will be required to sign a Birthday Party Code of Conduct ensuring that the adults accompanying the party will be responsible for the safe conduct of the children at ALL times.
•A deposit of £65 is required at the time of booking, which is non-refundable if the party is cancelled by you with less than 3 weeks' notice. You will be charged for the minimum of 8 children, even if less than 8 attend.
If The Centre is forced to close you have the option of 'Paying-it-Forward' to secure a future date.
•For daytime parties: payment balance is due the day before the party.
•For twilight parties: payment is taken in full at the time of booking.
You can arrive 15 minutes ahead of your party guests and we request everyone leaves the site no later than 15 minutes after the party end time.
•Drop off / pick up for daytime parties is in our entrance reception / shop. We do not permit anyone to enter unless they have been paid for and are on your party list. If families dropping off / picking up their child wish to enter the site they must pay the admission price.
With a twilight party there is no option for additional children / adults to stay at The Centre.
•Children & adults should dress appropriately for the weather conditions especially if hoping to use the outdoor areas or have booked a twilight party. Everywhere is kept open and well ventilated.
•Allergen information available on request. We are unable to cater for severe allergies and children on a very restricted diet may prefer to bring their own food. Please ensure you make us aware of special requirements and we will do our best to meet your needs, but may need to charge a supplement.
•The main buildings have very sensitive smoke alarms, but you are welcome to light candles for your birthday cake in The Big Space marquee.
•We do NOT use balloons in any activity.
•We do NOT include sweets or balloons in the Goody Bags.
•The Observatory Science Centre accepts no responsibility for personal property / presents etc.
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The Observatory Science Centre is part of Science Projects Ltd, a company limited by guarantee registered in England No: 02186073 and a registered charity No: 298542. The registered office is 3 – 15 Stirling Road, Acton, London. W3 8DJ. UK.