GreenThumb Barnet

Lawn Care Treatments, Repairs and Maintenance Services in Barnet


Opening Hours

Mon - Fri | 9:00am - 5:00pm

Welcome to GreenThumb Barnet

Welcome to GreenThumb Barnet. We are a family run business and have been delivering lawn treatments to our customers since August 2008. Husband and wife team Bryan and Sally Horsley are supported in their business by their daughter Sophie, who is the office manager and her husband James who looks after operational delivery. “Being a family run business has some real advantages for our customers” Bryan points out. “We are a very close family and this is reflected in the pride and passion that we all have for our business.”

Our objectives are simple; to efficiently deliver beautiful lawns to our customers at a reasonable price. We currently service over 3000 customers, delivering some 18,000 treatments a year.

We pride ourselves on our technical know-how and provide bespoke plans for our customers lawns. Our recent developments in lawn technology has once again, placed us at the forefront of lawn care in the UK. You can be confident that we will utilise the very best treatments and products to give you a lawn to be proud of.  

However, this is only part of the story. We know that our customers want a superior service, including great communication, efficient scheduling of treatments and responsive aftercare. Many of our customers have been with us from our launch, a testament to our customer service focus. Our services include our ‘Standard’ and ‘Ultimate’ lawn care packages through to full Lawn ‘Makeovers’ for that perfect Greenthumb Lawn. We deliver all your lawn care needs, including aeration, scarification and treatments to combat lawn diseases and pests. We also offer additional services, including top dressing and over seeding and full ‘Lawn Makeovers’ to bring you that perfect ultimate lawn. 

Our operational staff are fully qualified in handling and applying pesticides and have many years of experience, delivering beautiful lawns to our customers. We have the backing of the largest Lawn Treatment company in the UK with over 35 years’ experience. Our office staff are equally experienced providing a quality service, taking the worry out of scheduling in the right treatments at the right time of the season for our many customers.

So, if you are sick and tired of your lawn looking sick and tired, why not give us a call and arrange a free no obligation lawn analysis on 01707 658856 or Our experts can help you choose a treatment programme that suits you and fits your pocket.

Contact Us

If you have a question about your lawn, you may find what you need in our our FAQs section or our Lawn Problems & Advice section. Alternatively, get in touch by completing the form below. We will get back to you as soon as possible, though this may take longer than usual at weekends or Bank Holidays.

We never pass your details on to third parties.

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Thank You for contacting your local GreenThumb

A customer service representative from your local branch will contact you soon.

Please note: Submissions received on bank holidays and weekends may take longer to respond to.

What to expect next?

Your details have been forwarded onto your local branch. Once they have received them they will call to arrange a free lawn analysis.

How long should I wait?

We aim to contact you back within 24 hours, however messages sent on bank holidays and weekends may take longer to respond to.

How will you contact me?

We will phone you on the number you have provided, however if we can't get through to you, we will try to contact you via email.

Meet The Team

The people that make a beautiful lawn possible

GreenThumb Barnet Franchisee Bryan Horsley

Bryan Horsley


GreenThumb Barnet Franchisee Sally Horsley

Sally Horsley


GreenThumb Barnet Office Manager Sophie Horsley

Sophie Horsley

Office Mananger

GreenThumb Barnet Operations Manager James Bowra

James Bowra

Operations Manager

GreenThumb Barnet Administrator Elaine Alobaidi

Elaine Alobaidi


GreenThumb Barnet Administrator Ruth McGlynn

Ruth McGlynn


GreenThumb Barnet Lawn Advisor Lahad Aharon

Lahad Aharon

Lawn Advisor

GreenThumb Barnet Lawn Advisor Louis Aubrey

Louis Aubrey

Lawn Advisor

GreenThumb Barnet Lawn Advisor Brian Kerr

Brian Kerr

Lawn Advisor

When can I start using GreenThumb?

You can adopt our services at any time of the year. There is never a ‘bad time’ to start improving your lawn.

Do I have to be at home when you come and treat my lawn?

The majority of our customers are not at home when we call. Since all our vehicles and Lawn Operatives are self-sufficient, we can carry out your treatments as long as we have access to the lawns.

If you would prefer to be in when we are treating your lawn, we will do our best to accommodate your request.

I have children and /or pets. What should I be aware of?

We recommend that you keep off the lawn until any liquid part of the treatment has dried (approx. 2 hours). This stops it being walked off. And this is especially true of our NutraGreen Autumn Long Treatment, we recommend that you keep off the lawn for more than 2 hours then as it could stain a carpet or wooden floor, if it were walked into the home.

Grazing pets such as rabbits and guinea pigs should be kept off the lawn for a minimum of two weeks or three cuts, whichever occurs latest, to avoid ingestion of Ragwort, in particular, which becomes poisonous to them as it dies back.

Do I have to sign a contract?

No, we want our customers to continue with GreenThumb based on our merits in creating a healthier, greener lawn for them - not because they are stuck in a contract. Of course, with our treatment programmes, you will need to sign a Direct Debit Mandate with the relevant T&C's which relate to this payment option.

Postcodes We Cover

EN4 EN5 N14 N20 N21 NW7 WD6 WD7 HA8 NW4 NW11

Postal address:

GreenThumb Barnet
The Dutch Nursery
Great North Road
Brookmans Park

Registered address:

Mautby Lodge Mautby Great Yarmouth NR29 3JE

Company name: S & BH Services Ltd
Company number: 06621357
  • Basis Lawn Assured logo
  • We're accredited as Lawn Assured because we follow the standards set by BASIS to care for lawns in a safe and sustainable way. We are trained and independently audited each year to retain this accreditation.