Email marketing for B&Bs: turn past guests into repeat direct bookings

Ask most independent hosts where their next booking comes from and the honest answer is "whatever Airbnb or Booking.com decides to send me." That is a rough place to build a business: the platform owns the guest, sets the fee, and controls whether anyone ever sees your listing again. Email flips that. A guest email list is the one marketing asset a platform can never switch off, re-rank or tax. Get a few dozen past guests onto a list you own, email them well, and you turn one-off stays into a compounding stream of repeat direct bookings. This guide covers why it works, how to collect emails without breaking UK law, exactly what to send, and how to tell if it is paying off.

Why is email the best channel for repeat bookings?

Because you own it. Social reach rises and falls on an algorithm; OTA visibility rises and falls on a fee auction; but an email address sits in your list until the guest chooses to leave. That ownership is the whole game. It also happens to be the cheapest channel in hospitality: a past guest already knows your beds, your breakfast and your welcome, so the acquisition cost of the second booking is effectively zero, and there is no commission skimmed off the top. Benchmarks back this up. Hotel and accommodation emails typically see open rates around 25 to 30%, and while a one-off campaign might earn a click rate near 2 to 3%, automated, well-timed emails to people who have actually stayed with you perform far better. The numbers are only ever a rough guide, but the direction is not in doubt: warm past guests are the most responsive audience you have.

How do I collect guest emails legally in the UK?

Collect them through channels you own, and be honest about what you will do with them. The safe sources are your own website checkout, a WiFi sign-in page, a paper guest book, a local-tips or offers signup, or a booking enquiry form. What you must never do is lift email addresses out of the Airbnb or Booking.com message thread to add them to a marketing list, that both breaks the platforms' off-platform rules and gives you no lawful basis to email them. If you are converting OTA guests into direct bookers, do it the compliant way set out in our guide to moving Airbnb guests to direct booking: win the relationship in person and on your own site, then invite them to join your list, rather than harvesting contacts behind the platform's back.

The other half of "legal" is UK GDPR and PECR, the rules that govern marketing emails. In most cases PECR expects consent: an active, unbundled opt-in where the guest ticks a box or types their address into a form that clearly says you will email them offers. There is, however, a narrower route called the soft opt-in that can apply to your own past customers.

Two practical habits keep you safe: log how and when each person joined your list (a timestamp and source), and put a working unsubscribe link in every single email. Honour opt-outs immediately. Do this and you are on solid ground; skip it and a single complaint can become an ICO headache.

What should I actually send my past guests?

Fewer, better emails. Nobody stayed at your B&B hoping for a weekly newsletter, so aim for a handful of genuinely useful, well-timed messages a year. This sequence works for almost any independent host.

1. 1Collect the email compliantly first. A WiFi sign-in, a guest-book line, or a checkbox on your own booking form, each with a clear note that you will email occasional offers and a way to opt out. Never from the OTA inbox.
2. 2A welcome / thank-you for joining. Sent the moment someone signs up: a warm hello, a line on what to expect (a few offers a year, not spam), and maybe a local tip. First impressions set your open rates for everything after.
3. 3A post-stay thank you. A day or two after checkout, thank them, invite a review, and gently mention that returning guests can book direct next time. This is your highest-intent moment; they just loved the place.
4. 4Off-season and last-minute offers. When your calendar has gaps, email a modest, time-limited direct rate. A quiet Tuesday filled by a past guest is money you would otherwise never see, and it is far cheaper than discounting on an OTA.
5. 5A standing returning-guest direct rate, plus segmentation. Give past guests a small "welcome back" price they can only get direct, and split your list so the right message reaches the right person, for example past guests versus enquiries who never booked, or families versus couples. Segmented, personalised sends reliably lift opens and clicks, often by a wide margin, because the message finally fits the reader.

You can also drop in the occasional local-events email (a festival, a food week, a Christmas market) when it gives someone a real reason to come back. The test for any email is simple: would a past guest be glad to receive it? If not, do not send it.

Which tools do I need, and how do I measure success?

You do not need anything fancy. A free or low-cost email tool such as Mailchimp, MailerLite, Brevo or Substack handles signup forms, stores consent, sends the emails and, crucially, provides the unsubscribe link and record-keeping PECR expects. Start with one signup form on your website and one welcome email; add the rest as you go. The point is to own the list, not to run a marketing department.

Measuring it is refreshingly concrete for a small host. Watch three things: your open rate (are people even seeing it? treat inflated figures from privacy features with a pinch of salt), your click rate (are they tapping through to book?), and the number that actually pays your mortgage, direct bookings that came from an email. If you tag or simply ask "how did you hear about us?", you can trace real stays back to specific sends. Even one or two repeat direct bookings a year from a list of a few dozen guests will out-earn the hour it took to set up, because each one skips the commission entirely.

Does a repeat direct booking really beat an OTA booking?

On margin, yes, and it is not close. The same guest paying the same nightly rate is worth roughly 15% more to you booked direct than through an OTA, simply because no commission is deducted. Now stack the other advantages: you already know they are a good guest, you paid nothing to reach them, you own their contact details for next time, and you are not competing against a hundred other listings in a search ranking. An OTA is a brilliant machine for finding you *strangers*; it is a terrible way to keep the *friends* you have already made. Email is how you keep them.