Blog & Resources — ABC Experts Berlin

Insights & Guides

The ABC Blog

Practical advice for buying property in Berlin — from someone who inspects buildings every day.

Buyer's Guide

The Altbau Buyer's Checklist: 7 Things to Look For Before You Sign

Berlin's charming pre-war buildings come with hidden risks. Here's what experienced inspectors check — and how you can spot warning signs during viewings.

12 Feb 2026 · 6 min read

Technical

Moisture in Berlin Apartments: Where It Hides and What It Costs

Moisture damage is the #1 defect we find. Learn about common moisture sources in Berlin buildings and the typical repair costs involved.

28 Jan 2026 · 5 min read

Process

How to Use Your Inspection Report to Negotiate the Price Down

A good inspection report isn't just protection — it's a negotiation tool. Here's exactly how our clients have used their reports to save thousands.

15 Jan 2026 · 4 min read

Technical

Old Wiring, New Problems: Electrical Safety in Pre-1990 Berlin Buildings

Many Berlin apartments still run on pre-unification electrical systems. What to look for, when it's dangerous, and what a rewire really costs.

3 Jan 2026 · 5 min read

Market

Berlin Property Market 2026: What International Buyers Need to Know

Interest rates, price trends, and regulatory changes — a practical overview for expats and international investors looking at Berlin real estate.

18 Dec 2025 · 7 min read

Case Study

Case Study: The Charlottenburg Altbau That Looked Perfect

The apartment was great — but mould on the top floor and a rejected insurance claim in the basement told a different story. Here's what we found.

2 Dec 2025 · 4 min read

Methodology

Understanding Our Rating System: How We Score Every Defect

Our traffic-light severity system — green, amber, red — gives you instant clarity on what's cosmetic, what needs watching, and what's a dealbreaker. Here's how we assess and score each finding.

18 Feb 2026 · 5 min read

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Alice · Certified Bausachverständiger

British-born, Berlin-based building inspector. DESAG-certified Bausachverständige. Writing about property, buildings, and expat life.