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LCCL Construction Blog
Guides, News and Project Case Studies from LCCL Construction
Welcome to the LCCL Construction blog. Here you will find expert guides on loft conversions, house extensions, home renovations, architectural design, planning permission and building regulations. We also share project case studies from our completed builds across London and Hertfordshire, giving you real examples of the work we deliver. LCCL Construction is an award-winning design and build company with over 20 years of experience, more than 200 verified reviews rated 4.7 out of 5, and LABC Awards Regional Winners 2024. If you have a question about your project, call 020 8037 7332 or book a free consultation.
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House Extension Permitted Development Rights 2026: Do You Need Planning Permission?
Do you need planning permission for a house extension in London in 2026? Complete guide to permitted development rights for rear, side and double storey extensions. Full 2026 rules and size limits explained.
LCCL Construction
Jul 84 min read
New Build Planning Permission London & Hertfordshire 2026: Complete Guide
Planning permission for a new build house in London or Hertfordshire — complete guide to the planning process, timescales, costs, what affects approval and how LCCL Construction manages it all for you in 2026.
LCCL Construction
Jun 43 min read
House Extension Planning Permission London 2026: Complete Guide
Do you need planning permission for a house extension in London? Complete guide to permitted development rules, the Larger Home Extension Scheme, conservation areas and when planning permission is required in 2026.
LCCL Construction
May 183 min read
Loft Conversion Planning Permission London: Complete Guide for 2026
Most loft conversions in London can be carried out under permitted development rights without needing planning permission. This complete guide covers loft conversion planning permission rules in London, when you do and don't need permission and what to expect from the process.
LCCL Construction
Apr 153 min read
Do I Need Planning Permission for a Rear Extension in London?
Many rear extensions in London can be built without planning permission under permitted development rights. This complete guide explains when you do and don't need planning permission for a rear extension in London, the rules that apply and what to do if your project falls outside permitted development.
LCCL Construction
Apr 154 min read
Permitted Development Rights for House Extensions in London: What You Can Build Without Planning Permission
Permitted development rights allow homeowners in London to build certain house extensions without applying for planning permission, saving time and money. However, the rules are specific and depend on the type of property, size of extension, and whether you are in a conservation area. At LCCL Construction, we advise on permitted development rights for every project and handle all planning applications when they are required.
LCCL Construction
Mar 132 min read
What Is a Party Wall Agreement and Do I Need One?
A party wall agreement is a legal requirement under the Party Wall etc. Act 1996 when your building work involves a shared wall with a neighbour, building on or near the boundary line, or excavating within 3 to 6 metres of a neighbouring property. Most loft conversions on terraced and semi-detached houses in London require party wall agreements. At LCCL Construction, we arrange party wall agreements as part of our design and build service.
LCCL Construction
Mar 132 min read
How to Choose a Design and Build Company in London
Choosing the right design and build company for your loft conversion, house extension or renovation in London is one of the most important decisions you will make. A design and build company handles everything from architectural design and planning through to construction and completion, giving you a single point of contact and one company responsible for the entire project. Here is what to look for and how to make the right choice.
LCCL Construction
Mar 132 min read
Do I Need Building Regulations for a Loft Conversion or House Extension?
Yes, building regulations approval is always required for both loft conversions and house extensions in London, regardless of whether you need planning permission. Building regulations ensure your project meets minimum legal standards for structural safety, fire safety, energy efficiency, ventilation, drainage and accessibility. At LCCL Construction, we handle all building regulations applications and inspections as part of our design and build service.
LCCL Construction
Mar 132 min read
How Long Does Planning Permission Take in London? (2026 Guide)
Planning permission in London typically takes 8 weeks for a standard householder application, though it can take longer for complex projects or in certain boroughs. Understanding the planning timeline is essential for scheduling your loft conversion, house extension or renovation project. At LCCL Construction, we handle all planning applications as part of our design and build service and have extensive experience working with planning authorities across London and Hertfordsh
LCCL Construction
Mar 123 min read
Do I Need Planning Permission for a Loft Conversion in London?
In most cases, you do not need planning permission for a loft conversion in London. The majority of loft conversions fall under permitted development rights, which means you can proceed without a formal planning application.
LCCL Construction
Feb 193 min read
Understanding the Basics of Modern Architecture
Modern architecture serves as a reflection of the changing society, technology, and cultures.
LCCL Construction
May 27, 20254 min read
How to plan and design an extension
Lccl Construction. How to plan and design an extension.
LCCL Construction
Jan 18, 20174 min read
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