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Reactivating 500 Dead Leads: 18 Landlord Appointments in 30 Days for a UK Letting Agency

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The business

A UK letting agency with 500+ landlord contacts collected over several years. Name withheld at client request.

The challenge

500+ landlord contacts sitting in a spreadsheet. Zero engagement, no responses, no revenue. Internally written off as “dead leads”. The internal team had given up chasing them. But every one of those contacts had at some point raised their hand — they were landlords with properties, just disengaged.

What I did

  • Multi-channel AI follow-up: Email, SMS, and WhatsApp sequences that nurtured each contact based on their prior activity pattern.
  • Behavioural segmentation: Grouped contacts by how recently they’d engaged and what they’d originally enquired about — single-property landlords, portfolio landlords, one-off valuations.
  • AI-written personalisation: OpenAI-powered messages that adapted tone and angle based on each reply, not one-size-fits-all blast emails.
  • Automated booking flow: Once a lead responded, they were routed straight into a valuation or consultation booking calendar.
  • Meta lookalike expansion: Once the list was warmed, we used the engaged segment as the seed for Meta lookalike audiences — turning the reactivation into an ongoing paid campaign.

Results

  • 500 cold contacts reactivated with AI-driven nurture
  • 18 booked landlord appointments in 30 days
  • £11 CPL on the follow-up paid campaign that ran off the reactivated data
  • Ongoing lookalike audience feeding fresh landlord leads weekly

Why it worked

Most agencies sit on years of old contacts they’ve written off. “Dead” is the wrong word — they’re just untapped. The combination of multi-channel nurture + AI personalisation + an automated booking flow is what turned a dusty CRM export into 18 appointments in a month — and then a lookalike seed that keeps producing.

Want results like these for your UK business?

Book a £150 AI Marketing Strategy Session — 60 minutes, one call, no upsell pitch. If the maths doesn’t stack up for you, I’ll say so.