Holiday let in your spare room or annexe

Let a spare room, annexe or garden room to short-stay guests and keep your start-up costs low.

Self-catering wooden chalet holiday let surrounded by trees with a welcoming porch.
Startup cost£1k to £5k
Monthly revenue£500 to £2.5k
Time needed5+ h/week
First incomeWeeks
  • £1k-5k
  • Side hustle
  • From home

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

Official data

15,500 UK companies in this field, 34% registered in the last 2 years

SIC 55209 “Other holiday and other collective accommodation”. Source: Companies House, November 2026.

What it is

You let part of the home you already have, such as an annexe, garden room or spare room with its own access, to holidaymakers and visitors for short stays. You list it on booking sites, welcome guests and turn the space around between stays.

Your first three steps

  1. Check your lease, mortgage terms and home insurance allow short-term letting, and ask your council whether any registration or planning rules apply
  2. Furnish and photograph the space well, then check safety basics such as smoke and carbon monoxide alarms
  3. Create a listing on one or two booking platforms and offer a few discounted first stays to gather reviews
Who pays

Holidaymakers, couples on short breaks, visiting friends and family, and people travelling for events or work.

How it makes money

A nightly rate, often with a cleaning fee. Income is seasonal and depends on your location, so busier months usually carry the quieter ones.

Skills that help
  • Friendly, welcoming manner
  • Keeping a space spotless
  • Clear, prompt communication with guests
Watch out for
  • Landlord or mortgage lender permission, and whether your home insurance covers paying guests
  • Planning rules and any local registration or licensing scheme, which differ between England, Scotland, Wales and Northern Ireland, so check with your council
  • Fire, gas and electrical safety duties for let accommodation
  • How the income is taxed and whether the trading allowance applies, so check with HMRC
  • Privacy and noise for you and your neighbours

Deep research report · UK

Everything you need to start: holiday let in your spare room or annexe

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 holiday let in a spare room or annexe?

Estimates suggest startup costs are typically around £1,000 to £5,000, depending on how much furnishing, decorating and safety work the space needs. Check your insurance covers paying guests before you take bookings.

How much can you earn from letting an annexe or spare room?

Monthly revenue is typically estimated at around £500 to £2,500, depending on location, season and how often the space is booked. Check with HMRC how the income is taxed and whether the trading allowance applies.

What rules should I check before letting a spare room or annexe?

Check landlord or mortgage lender permission, planning rules and any local registration or licensing scheme with your council, as these differ across the UK. Also check fire, gas and electrical safety duties for let accommodation.

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Photo: GeriArt on Pixabay

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