Alien & Monsters Bouncy Castle Hire
£100 hire
Bexleyheath • Bexley • Welling • Sidcup • Dartford & surrounding areas
Make your child's party out of this world with our Alien & Monsters Bouncy Castle. Measuring 12.5ft × 12.5ft, it's suitable for children up to 10 years old and can accommodate around 6–7 children at a time, depending on their size. Featuring colourful, hand-painted alien and monster artwork, it's a fantastic choice for children's birthday parties, Halloween celebrations, themed parties and suitable indoor venues across Bexley, Dartford, Sidcup, Welling and surrounding areas.
🏰 Alien & Monsters Castle Information
Castle size
12.5ft × 12.5ft
Minimum clear height
Approximately 11ft
Required space
14.5ft × 18ft
Required access width
2.5ft
Suitable age
Children up to 10 years
Will the Alien & Monsters Inflatable Fit In My Garden or Hall?
📏 Please measure before booking
You need 14.5ft × 18ft of clear space — not just 12.5ft × 12.5ft
Although the Alien & Monsters Bouncy Castle itself measures 12.5ft × 12.5ft, the complete setup requires approximately 14.5ft × 18ft of clear space. This allows room for the blower at the back and the safety mat at the front entrance.
🚪 What about access?
We need a minimum of 2.5ft access with a clear route from our vehicle to the setup area. The castle can be sack-barrowed through a house if necessary, although side access is preferred.
Not sure if it will fit? Send us a photo of your garden, hall or access route and we'll be happy to advise before you book.
contact us
📞 07790 742 804
Why Choose The Alien & Monsters Bouncy Castle?
👾
Hand-painted Alien & Monster artwork
A genuine deluxe bouncy castle features colorful, hand-painted alien and monster artwork, giving it a fun and eye-catching design that children will love.
🎃
Perfect for Halloween & spooky parties
The alien & monster theme makes this castle a fantastic choice for Halloween parties, spooky celebrations and themed children’s birthday parties.
🎈
Great for indoor parties
At approximately 10.5ft high, this castle is suitable for many halls, community centers and other indoor venues, subject to the venue’s available space and ceiling height.
🌦️
Shower cover included
A fitted shower cover is included for suitable outdoor hires and helps protect the castle from light showers and creates shade.
See the Alien & Monsters Castle in Action
Take a closer look at the Alien & Monsters Bouncy Castle and see the colourful design and spacious bouncing area for yourself
Detailed hand-painted artwork on our Alien & Monsters Bouncy Castle.
What's included in your hire?
✓
Delivery
✓
Professional setup
✓
Full safety check
✓
Collection after your hire
✓
Electric blower
✓
Extension lead up to 45m
✓
Safety mat
✓
Groundsheet where required
For outdoor hires, the castle is securely pegged into suitable grass.
For indoor hall bookings, we use suitable sandbags and protective mats where required, with no extra charge
📋Before We Arrive - What We Need From You
A little preparation before we arrive makes everything much easier on the day.
📏Space
Please provide 14.5 x 18ft of clear, reasonably level space, a slight gradient is usually fine.
🚪Access
We need at least 2.5ft access and a clear route for our trolley.
⚡Electricity
We'll need a standard 13A socket within 45m of where the castle will be set up.
🌱Ground
Grass is ideal for outdoor setup.
Unfortunately, we cannot set up on gravel or areas containing sharp stones, as these can damage the inflatable.
🐕Garden
If you're having the castle in your garden, please remove any dog mess and move garden furniture, bins, low hanging branches and other obstacles before we arrive.
👨👩👧Supervision
An adult must supervise the children throughout the hire.
💷 Payment
Payment in cash on the morning of your hire please.
Indoor & Outdoor Alien & Monsters Castle Hire
Our Alien & Monsters Bouncy Castle is available for garden parties and suitable indoor venues, subject to space, access, ceiling height and venue requirements.
🌳 Outdoor hire
Garden hires are available from mid-March to the end of September, subject to weather and ground conditions.
🏰 Indoor hire
Suitable for halls, community centres and other indoor venues throughout the year. Please check the venue's available space, ceiling height and access before booking.
Looking for a local children's party hall?
Take a look at our local halls to hire to help you find a suitable venue
Not sure if your venue or garden is suitable? Send us a photo and we'll be happy to advise before you book.
Alien & Monsters Bouncy Castle set up outside in a home garden in Bexleyheath
Alien & Monsters Bouncy Castle Hire in Your Area
We provide Alien & Monsters bouncy castle hire across South East London
and Kent, including:
and surrounding areas
For the full list of areas we cover, please see our bouncy castle delivery areas page.
Why Book with Caroline's Castles?
✓ 20+ years' experience
✓ Family-run business
✓ £5 million public liability insurance
✓ Member of BIHA & TIPE
✓ Professional delivery and setup
✓ Safety checked before every hire
✓ Delivery, setup and collection included
Complete Your Alien & Monsters Party
Love the Alien & Monsters theme? Take the party to the next level with our Toxic Rush Slide or Toxic Assault Course. With their bold green and black designs, they complement the Alien & Monsters Bouncy Castle perfectly and are ideal for creating a fun, action-packed themed party.
👽 Ready for an Out-of-This-World Party?
If you're planning a children's birthday party, Halloween celebration or themed event, our Alien & Monsters Bouncy Castle is a fun and colourful choice that children will love.
Check your space, check availability and use the Book Online button to secure your date.
Booking is easy
1. Check availability
Choose your date online.
2. Book your castle
Enter your details and secure your booking.
3. We do the rest
We deliver, set up and collect.
CHECK AVAILABILITY & BOOK
📞 Call us:
07790 742804
📧 Email: carolinescastles@hotmail.co.uk
Or visit our
contact us
page and we'll get back to you as soon as possible.
Suitable for: Children Only
| | Floor Space | Height |
| Unit Size: | 12.5ft x 12.5ft | 10.5ft |
| Required Space: | 14.5ft x 18ft | 11ft |
| Required Access Width: | 2.5ft | |
| Suitable |
| Indoors on Artificial Grass | |
| Indoors on Hard Surface | |
| Outdoors on Artificial Grass | |
| Outdoors on Grass | |
| Outdoors on Grass (event) | |
| Outdoors on Hard Surface | |
| Shower Cover Included | |
| Age Range | Suitable |
| Children | |
| Adults | |
What's Included With Your Bouncy Castle Hire
All of our bouncy castle hires include:
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Free delivery to local areas (please see our delivery page for details)
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Free setup and collection
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Free weather cancellation right up to the day before your booking
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Electric blower included
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Extension lead up to 45 metres
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We ask for a cash payment on the morning of delivery
When setting up outdoors, our inflatables are securely pegged into grass as standard.
For indoor bookings such as community halls or venues, we provide sandbags and safety mats free of charge.
Quick Checklist Before We Arrive
**PLEASE NOTE**
To help everything run smoothly on the day, please make sure the garden area is clear of stones, gravel, dog waste, garden furniture, and any other obstacles before we arrive.
We can only set up inflatables on a suitable surface, with grass being the best option. Unfortunately, we’re unable to install on gravel, sharp stone, Bark chippings, concrete, decking, Astro turf surfaces, or unclean areas.
Important delivery access:
This inflatable is large and heavy, so we require at least 2.5ft wide, flat, clear and level access (such as a side gate, back gate or pathway through the hall way to your garden or venue) to safely deliver and set up the castle.
Please ensure you have the minimum required space for your chosen inflatable fully cleared in advance. This helps us set up quickly and safely for you to enjoy.
It’s the hirer’s responsibility to make sure there is enough suitable spacefor the inflatable. If the area has been incorrectly measured and we’re unable to safely install the unit, a £30 fee will be charged to cover our costs.
No Face Paint Policy
At Caroline’s Castles, we prioritise safety and cleanliness at every event. To help us maintain the quality and appearance of our equipment, we kindly ask that no face paint, glitter, balloon confetti, or silly string is used during your hire.
These items can cause staining or damage, and avoiding them ensures every customer enjoys a clean, safe, and high-quality experience. Thank you for your understanding and cooperation.
Delivery Times
We deliver any time in the morning, between 7:00am and 11:30am and setup usually takes just 15–20 minutes. Once it’s ready, it’s all yours to enjoy for the day!
Collection Times
For a standard day’s hire, we collect between 5:30pm and 7:30pm. If you’d like to keep the equipment a little longer, no problem—just let us know in advance. A small late collection feeapplies for hires extended beyond 7:30pm.
If you need a specific delivery or collection time, just let us know—we’ll always do our best to accommodate, especially for hall bookings.
Our latest collection times are:
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8:30pm for children’s bouncy castles (available from May to the end of August; late collection fees apply after 7:30pm)
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10:00pm for adult equipment (available in June, July, and August; late collection fees apply after 7:30pm)