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We have 74 childcarers in the SG postcode area available for babysitting in Knebworth and a further 1236 in neighbouring postcode areas.

Easy online booking

Small phone with babysitting on the screen
  • Book childcare online
  • Available nationwide
  • We'll do all the work
  • Competitive rates
Trusted in childcare since 1967

Total peace of mind

  • All childcarers are reference-checked and continually appraised
  • Every Sitter has professional childcare experience
  • Registration is free - pay nothing until your first booking is complete.

Here's how Sitters works


Start by entering your postcode to set up your FREE
account and read reviews about childcarers local to you.


You can then book childcare online – just select the
date, time and address for your booking.


Choose the local carers you’d prefer us to offer your bookings
to first and we’ll keep you updated of progress by email.


Your childcarer will call you before the booking and you should pay
her for her time at the end. Rates start from just £8.25.


Pay nothing until after you have used Sitters - guaranteed. A booking
fee (£4-£6) and quarterly membership fee (£14.95) will only be
charged to your credit card after your booking has taken place.

Read reviews of approved Sitters local to you

Reviews about local Sitters childcarers...

Sonia did a wonderful job looking after our two girls. She rang in advance to introduce herself and to confirm her arrival time. The girls took to her straight away as she is so friendly. Sonia texted during the evening to say that our youngest had been sick. She wanted us know that she was fine now, was fast asleep and we were to enjoy the rest of our evening. Sonia even sorted out the bedding! We were very impressed with Sonia. She is very friendly, kind, reliable, professional, and goes above and beyond! We would definitely recommend Sonia and look forward to meeting her again!

Mrs B, Hertfordshire, SG4

Rosemary was the first baby sitter we had used from Sitters. We were very pleased with the service she gave and will definitely request her again. She arrived a few minutes early and started playing with our 21 month old son straight away. He instantly liked her, and was not at all upset when we went out. She is clearly very experienced and comfortable around children. When we arrived home our son was peacefully sleeping, the flat was tidy and Rosemary was friendly and cheerful. Over all an excellent experience.

Ms E, Hitchin, SG4

My 1st preferred Sitter with no hesitation. I simply could not recommend Esther enough. She is superb and you can really feel that she loves children. Very friendly, calm and confident. I trusted her with my 6 months old baby immediately as she made me feel very at easy. You can tell she is an experienced baby professional and her approach is calm and pleasant and my son loved her. She is also reliable, she called before the appointment and arrived earlier. Simply fab! Thank you!

Mrs P, Hertfordshire, SG5