How to build a new extension from scratch part 1: The foundations
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How to build an extension: part 2 set out and build up to damp course
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How to Start Building Walls; How to Build an Extension (3)
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How to Dig the Foundations: How to Build an Extension (2)
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HOW TO CONCRETE A FLOOR ....ALWAYS CHECK THE HEIGHT...EXTENSION PART 3
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Extension Foundations: overcome problems part 1
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Single Storey Extension Stage 3 - Drainage. Taking On Severn Trent!!!
15:36
Concrete Foundations - 35A Extension #1
13:09