Basement Construction Blog | Making Space Below Ground
MAKING SPACE BELOW GROUND
Basement & Construction Insights
Expert advice on basement construction, waterproofing, underpinning and groundworks from London's specialists
11 posts
How Much Does a Basement Cost in London? 2025 Price Guide
Full cost breakdown for basement construction in London. Excavation, waterproofing, underpinning and fit-out prices explained by specialist contractors.
Do You Need Planning Permission for a Basement in London?
Planning permission rules for London basements explained. When you need it, when you don't, and how to navigate your borough's requirements.
Underpinning in London - A Complete Guide for Homeowners
What is underpinning, when do you need it and how much does it cost in London? Everything homeowners need to know from specialist contractors.
Cavity Drain Membranes Explained - The Gold Standard for Basement Waterproofing
Cavity drain membranes are the most reliable waterproofing system for London basements. How they work and why Delta-approved specialists recommend them over tanking.
How to Create the Perfect Basement Home Office in London
A basement home office gives you the separation and quiet you need to work effectively from home. Design, costs and what to consider from London basement specialists.
Sump Pumps for London Basements - Everything You Need to Know
A sump pump is the heart of any cavity drain waterproofing system. Types, installation, maintenance and why dual pumps with battery backup are essential in London.
7 Warning Signs Your Basement Has a Damp Problem
Damp in a basement causes serious structural damage if left untreated. The seven warning signs every London homeowner should know — and what to do about them.
Basement Extensions Under London Terraced Houses - What to Expect
Adding a basement under a London terraced house is one of the most effective ways to gain space. A realistic guide to the process, party wall issues and costs.
8 Brilliant Ways to Use Your New London Basement
From home offices to cinema rooms, here are the eight most popular and practical uses for a new basement in a London home — and what each one costs.