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Weed Services


Richard Allen (London South)

Contact us on 0800 9549679

Headed by Richard Allen, Complete Weed Control Thames Valley and South London is a family enterprise that has flourished over the past two decades. The business has consistently grown, proudly serving prestigious clients like Windsor Castle, Ascot Racecourse, Chelsea FC, Wentworth Golf Club, Wembley Stadium, and the RHS Chelsea Flower Show. The team's unwavering dedication to maintaining highway contracts has resulted in thousands of miles of roads kept safe and weed-free.

The company employs over 20 dedicated team members, including numerous department managers and seasoned office-based customer service staff. Championing a 'no job too big or small' philosophy, they extend comprehensive services to their clients. Their expertise, coupled with the utilisation of state-of-the-art technology, equipment, and machinery, and supported by their up-to-date qualifications and Amenity Assured standard accreditation, reassures clients they are engaging with highly competent local specialists.

The team's contracts extend to a variety of sectors including sports facilities, private schools, universities, royal parks, and visitor attractions. They work extensively with local authorities across the Thames Valley and London South regions, managing all types of weed control, including invasive species like Japanese Knotweed.

In addition, the company provides bespoke snow and ice control solutions, ensuring your business remains unaffected by unpredictable winter weather. Their Baseguard low maintenance safety surface, available in various colours, is a hit among schools and often used for access roads to sports pitches, as seen at the Chelsea FC Training Ground.

By opting for a professional, affordable, and convenient weed control service, businesses can save both time and money. The team at Thames Valley and South London stays updated with changing legislation, ensuring they provide the highest possible standard of work. This includes comprehensive weed control services, covering selective, aquatic, and total weed control, with particular emphasis on invasive weed control including Japanese Knotweed removal.

The team strictly adheres to BASIS requirements, holds full ISO accreditation, and regularly collaborates with the Environment Agency to treat ecologically sensitive areas.

For further enquiries, you can reach out to them at 0800 9549679 or fill out the form below.


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This large team operate in the following areas: Reading, Bracknell, Newbury, Hungerford,Thatcham, Wokingham, Crowthorne, Henley-on-Thames, Iver, Slough, Windsor, Maidenhead, Marlow, Gerrards Cross, Feltham, Shepperton, Staines-upon-Thames, Egham, Hounslow, Isleworth, Brentford, Richmond, Kingston upon Thames, Esher, Cobham, Walton-on-Thames, Epsom, Tadworth, Ashtead, Leatherhead, Caterham, Whyteleafe, Mitcham, Warlingham, Redhill, Reigate, Betchworth, Lingfield, Oxted, Godstone, Sutton, Morden, Carshalton, Wallington, Banstead, Ringwood, New Milton, Guildford, Farnham, Aldershot, Farnborough, Camberley, Lightwater, Bagshot, Windlesham, Woking, Hindhead, Haslemere, Petworth, Midhurst, Liphook, Petersfield, Liss, Alton, Bordon, Yateley, Sandhurst, Cranleigh, Fleet, Godalming, West Byfleet, Emsworth, Gosport, Waterlooville, Havant, Basingstoke, Tadley, Hampshire, Hook, Crawley, Horsham, Billingshurst, Pulborough, Dorking, Horley, Southampton, Stockbridge, Winchester, Lyndhurst, Lymington, Brockenhurst, Eastleigh, Romsey, Salisbury, Andover, Fordingbridge, Tidworth, Twickenham, Teddington & Hampton.

  • NPTC certificated
  • ISO9001 certified - Quality Management System
  • ISO14001 certified Environmental Management System
  • Achilles Verified on Safety, Health, Environmental & Quality practices - number 72214
  • Achilles UVDB registered for Grounds Care, Maintenance & Landscaping Services - number 72214
  • A corporate member of the Institute of Groundsmanship
  • A member of Constructionline, registered for Public & Private Sector Procurement - number 2122
  • Invasive species control – including Japanese Knotweed, Giant Hogweed and Himalayan Balsam
  • Total weed control - All surfaces
  • Selective weed control - For control of broadleaf weeds in grass
  • Aquatic weed control – On marginal and emergent plants such as bull rushes and lilies.
  • Disease control – In fine turf, plants and trees
  • Growth regulation – Retardation of grass and hedging grown
  • Insect control – In turf, plants and trees
  • Fertiliser applications – Liquid & granular
  • Moss & algae control – Turf and hard surfaces
  • Worm control – In all amenity areas
  • Forestry – Tree ringing, bracken control and insecticide application

‘They are reliable and I know that they have very high standards, so I don’t have to worry about their work as they are so good at what they do’ Jason Griffin – Head Groundsman Chelsea Football Club ‘I have used Richard and his team for 3 years now, we originally got them in when we were looking for a contractor to kill off the grass on the West Course when it was being redesigned, MJ Abbotts recommended them to me, I also knew they had a good reputation through Jim Mckenzie at Celtic Manor’ `All their work is carried out professionally and efficiently whether it be spraying heather throughout the site to applying Primo Maxx to my fairways 4 times a year’. Chris Kennedy – Course Manager Wentwoth Golf Club `We have been using Complete Weed Control for over 10 years now, they give us a great service and are always quick to react to anything we require’ Rob Collins – Wellington College `They have been doing the spraying for us for numerous years and I can not fault them, they use skilled operators who know their job well’. Sometimes when we are busy and the weather is against us Richard will make sure they are flexible to our requirements, which is key for us’. ‘We also use them to install the new Baseguard product which always looks great when completed’. Reon Sandford – Head Groundsman Ascot Racecourse

Weed Control


Winter Maintenance


Invasive Control


Moss Control


Grounds Maintenance