The Lewis Global Heritage Hotline™
Instant WhatsApp advice for old and historic buildings — anywhere in the world.
The Lewis Global Heritage Hotline™ gives homeowners, surveyors and estate managers direct access to specialist heritage repointing advice from Sean Lewis, creator of The Lewis System and founder of Lewis Heritage & Lime Mortar.
Send photos, videos or questions via WhatsApp and receive fast, expert diagnostics, tailored guidance and clear next steps — no site visit required.
This is the world’s first heritage‑grade WhatsApp advisory service, designed for anyone who needs reliable, conservation‑led answers without contractor bias or guesswork.
Message the Hotline on WhatsApp
How It Works
A simple, three‑step process built for speed and clarity.
1. Send photos or videos
Show the wall, defect, mortar, moisture pattern or area of concern.
2. Receive expert diagnostics
You’ll get a clear explanation of what’s happening, why it’s happening, and what it means for the building.
3. Get your next steps
Practical, conservation‑grade guidance — from repair options to material recommendations.
What You Can Ask About
The Hotline covers all heritage masonry issues, including:
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Mortar failure and incorrect past repairs
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Cement contamination
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Damp, moisture tracking and breathability issues
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Cracking, movement and structural concerns
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Spalling brick and stone decay
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Pointing defects and inappropriate materials
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Lime mortar identification and suitability
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Pre‑purchase building concerns
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Estate‑level maintenance questions
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General heritage masonry advice
If it’s part of an old building, you can ask about it.
Why People Use the Hotline
The Hotline is designed for people who need fast, trustworthy answers:
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Homeowners unsure what’s wrong with their wall
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Surveyors needing a second opinion
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Estate managers wanting quick diagnostics
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Architects checking material compatibility
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Buyers assessing a property before committing
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Anyone confused by conflicting contractor advice
No upselling. No pressure. Just clear, expert guidance.
Who You’re Speaking To
You’re speaking directly with Sean Lewis, heritage repointing specialist and creator of The Lewis System — a proprietary conservation‑grade methodology used across Oxfordshire and Surrey.
Sean specialises in:
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lime mortar diagnostics
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sympathetic repointing
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historic fabric protection
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moisture behaviour
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Victorian and Edwardian brickwork
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estate‑level conservation
This is not a call centre.
This is direct access to a specialist.
Pricing
Simple, transparent, pay‑per‑question guidance.
Quick Advice — £15
For simple questions or confirmation.
Photo/Video Diagnostics — £45
Full breakdown of the issue and recommended next steps.
Complex Case Review — £95
Multi‑photo analysis, moisture behaviour, material compatibility and repair strategy.
Estate/Surveyor Consultation — £150
Professional‑level guidance for reports, tenders or estate planning.
No subscriptions.
No hidden fees.
Pay only when you need help.
Why This Service Exists
Most people with old buildings struggle to find:
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honest advice
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heritage‑grade knowledge
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lime mortar expertise
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fast answers
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someone who isn’t trying to sell them work
The Hotline solves all of that.
It gives you instant access to a specialist, wherever you are in the world.