Calders & Grandidge

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Welcome to Calders & Grandidge

Calders & Grandidge is one of the oldest established and respected names in the UK Pressure Treated Timber Sector with it's own 46 acre site in Boston, Lincolnshire.

Company News

Our Competition Winner!!

Congratulations to our competition winner Georgia Connell!! Georgia attended Blenheim Palace International Horse Trials 11th-14th September and entered our competition to win a garden bench. Enjoy!


Look out for us at Blenheim Palace International Horse Trials

We shall be there from 11th to 14th September. Hope to see you there!


The Ice Bucket Challenge raising money for Macmillan Cancer Support

Four members of staff have taken part in The Ice Bucket Challenge raising money for Macmillan Cancer Support (our nominated charity for 2014). We raised £88 from this event which takes our total to date to £1943. Thank you to everyone who took part.


Recent Client Testimonial

Ref a recent delivery of creo post and rail - I just wanted to say thank you for sending me some superb quality stock.


Recent Client Testimonial

"Just to say the capping arrived safely and has been fitted today. I am very pleased with the quality and the service provided by your company. More than happy to recommend you to anyone requiring timber supplies."


General Enquiries

To send us an enquiry, please complete the form below. If you would like to speak to us about a general enquiry, call us on 01205 358 866

Our Products

  • Gates

    Our wooden gates are all hand built and carry the Royal Warrant.

  • Fencing

    The perfect component for home or equestrian post and rail fencing, or for use in agriculture.

  • Sleeper

    Our sleepers can be used to give your garden that little something extra.


Declarations of Performance

The Construction Products Regulation came into place on July 1st 2013. The regulation requires us to make available our declarations of performance.