The London Extension & Loft Bible 2026
by D-Core Construction Ltd
£19
Planning a House Extension or Loft Conversion in London?
Understand the costs, avoid common mistakes and plan your building project with greater confidence.
The London Extension & Loft Bible 2026 is a practical homeowner’s guide from D-Core Construction Ltd, created for people considering extensions and loft conversions across London, particularly West and North-West London.
What’s inside:
Indicative 2026 London extension and loft conversion costs
Rear extensions, side returns, dormers and hip-to-gable conversions
Planning permission and permitted development explained
Common additional costs that homeowners overlook
Questions to ask before appointing a building contractor
Contracts, stage payments and written variations
A typical project timeline, from design to completion
Three practical checklists covering pre-start, construction and final snagging
Who is this guide for?
Homeowners planning a kitchen extension, additional bedroom, loft conversion or major home improvement in London.
What you’ll receive
A downloadable English-language PDF guide with practical examples, budget guidance and printable checklists.
Launch price: £19
Published by D-Core Construction Ltd, London.
Website: dcoreconstruction.co.uk
Email: info@dcoreconstruction.co.uk
Important: Costs are indicative, not quotations. Planning rules, fees and building requirements depend on your property and location. This guide is educational and does not replace professional architectural, engineering, legal or building control advice.