Polytunnel salad and veg grower

Grow salad leaves, tomatoes and veg in a polytunnel and sell to local cafes, shops and box customers.

Rows of seedlings and crops growing inside a glass greenhouse.
Startup cost£1.5k to £7k
Monthly revenue£300 to £1.5k
Time needed10+ h/week
First incomeMonths
  • £1.5k-7k
  • Side hustle
  • Own premises

Estimates for a small start in the UK, not guarantees.

Official data

467 UK companies in this field, 23% registered in the last 2 years

SIC 01190 “Growing of other non-perennial crops”. Source: Companies House, November 2026.

What it is

A small growing business using one or more polytunnels on a garden, allotment, rented plot or small piece of land. You grow crops like salad leaves, herbs, tomatoes and cucumbers and sell them locally.

Your first three steps

  1. Find a suitable sunny, sheltered site and check you have access to water
  2. Talk to a few local cafes, shops and market organisers about what they would buy and at what price
  3. Start with one tunnel and a small range of quick, reliable crops such as salad leaves and herbs
Who pays

Local cafes and restaurants, farm shops, greengrocers, market shoppers and households buying direct.

How it makes money

Selling by the bag, bunch or kilo to regular customers, through a market stall, veg box, honesty stall or weekly orders from local food businesses.

Skills that help
  • Growing plants and planning crops
  • Patience and daily attention to detail
  • Selling and building local contacts
Watch out for
  • Planning permission may be needed for polytunnels on some land, check with your local council
  • If you rent land, check the tenancy allows growing and structures
  • If you sell food direct, check whether you need to register with your local council as a food business
  • Public liability insurance if customers visit or you sell at markets
  • Weather, pests and disease can wipe out a crop, so spread your risk across several crops

Deep research report · UK

Everything you need to start: polytunnel salad and veg grower

Researched with live web search for United Kingdom: real startup prices, the licences and rules, what others charge, a break-even example, how to find your first customers and a 30-day launch plan. With sources.

  • Startup costs with real prices
  • Licences, registration and rules
  • Pricing: what others charge
  • Break-even example
  • Finding your first customers
  • 30-day launch plan
  • Risks and how to reduce them
Ready in about 2 minutes · one-off payment, tax included

See a full sample report

Questions people ask

How much does it cost to start a polytunnel growing business?

Startup costs are typically around £1,500 to £7,000, depending on the number of polytunnels, the land you use, and your seeds, compost and tools. Treat this as an estimate and price up your set-up first.

How much can a polytunnel salad and veg grower earn?

Monthly revenue is typically around £300 to £1,500, depending on your crops, the size of your growing space and who you sell to. Weather, pests and disease can hit a crop, so spread your risk.

What rules should I check before growing and selling veg?

Check whether planning permission is needed for polytunnels with your local council, and whether a rented plot's tenancy allows growing and structures. If you sell food direct, check whether you must register as a food business, and consider public liability insurance.

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Photo: nonstopsmile on Pixabay

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