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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 Extensions Camden NW1 2026: Complete Guide to Costs, Planning and Design
Planning a house extension in Camden, North London? Complete guide to costs from £42,000, conservation area planning rules and the best extension types for Camden NW1 properties in 2026.
LCCL Construction
3 days ago2 min read
Loft Conversions Hammersmith W6 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Hammersmith W6, West London? Complete guide to costs from £28,000, planning permission rules and best conversion types for Hammersmith properties in 2026.
LCCL Construction
3 days ago2 min read
New Build vs Extension London 2026: Which Is Better for Your Home?
New build or house extension — which is the better choice for your London property in 2026? Complete comparison of costs, timelines, planning, VAT and return on investment to help you decide.
LCCL Construction
3 days ago3 min read
House Extensions Islington N1 2026: Complete Guide to Costs, Planning and Design
Planning a house extension in Islington, North London? Complete guide to costs from £42,000, conservation area planning rules and the best extension types for Islington N1 properties in 2026.
LCCL Construction
5 days ago2 min read
How Much Value Does an Extension Add to Your House in London? 2026
How much value does an extension add to your house in London? Complete guide to the return on investment of rear extensions, side returns, wraparounds and double storey extensions in 2026.
LCCL Construction
5 days ago3 min read
House Extensions Wandsworth SW18 2026: Complete Guide to Costs, Planning and Design
Planning a house extension in Wandsworth, South London? Complete guide to costs from £37,000, planning permission rules and the best extension types for Wandsworth SW18 properties in 2026.
LCCL Construction
5 days ago2 min read
Loft Conversions Wimbledon SW19 & Raynes Park 2026: Complete Guide
Planning a loft conversion in Wimbledon SW19 or Raynes Park SW20, South West London? Complete guide to costs from £28,000, planning permission rules and best conversion types for these premium areas in 2026.
LCCL Construction
5 days ago2 min read
How Long Does a New Build House Take in London? 2026 Guide
How long does a new build house take in London? Complete guide to new build timelines — from initial design through planning permission, construction and completion in 2026.
LCCL Construction
5 days ago3 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
New Build Houses North London & Hertfordshire 2026: Complete Guide
Planning a new build house in North London or Hertfordshire? Complete guide to costs, planning permission, timelines and why LCCL Construction are the specialist new build company for North London and Hertfordshire in 2026.
LCCL Construction
Jun 43 min read
How Much Does a New Build House Cost in London in 2026?
How much does a new build house cost in London in 2026? Complete guide to new build construction costs per square metre, key cost factors, VAT benefits and what is included in a full design and build service.
LCCL Construction
Jun 43 min read
House Extensions Crouch End N8 & Hornsey N8 2026: Complete Guide to Costs and Planning
Planning a house extension in Crouch End N8 or Hornsey N8, North London? Complete guide to costs from £37,000, planning permission rules and the best extension types for these popular North London areas in 2026.
LCCL Construction
Jun 32 min read
Loft Conversions Southgate N14 & Palmers Green N13 2026: Complete Guide
Planning a loft conversion in Southgate N14 or Palmers Green N13, North London? Complete guide to costs, planning permission and best conversion types for these North London areas in 2026.
LCCL Construction
Jun 32 min read
Velux Loft Conversion London 2026: Complete Guide to Costs, Planning and Design
Planning a Velux loft conversion in London? Complete guide to costs from £18,000, planning permission rules, design ideas and whether a Velux conversion is right for your property in 2026.
LCCL Construction
Jun 33 min read
Loft Conversions Battersea SW11 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Battersea, South London? Complete guide to costs from £28,000, planning permission rules and the best conversion types for Battersea SW11 properties in 2026.
LCCL Construction
Jun 12 min read
Home Refurbishment London 2026: Complete Guide to Costs, Types and Process
Planning a home refurbishment in London? Complete guide to costs, types of refurbishment, timelines and how to choose the right design and build company for your project in 2026.
LCCL Construction
Jun 12 min read
House Extensions Richmond & Kew 2026: Complete Guide to Costs, Planning and Design
Planning a house extension in Richmond or Kew, South West London? Complete guide to costs from £38,000, planning permission rules and the best extension types for Richmond and Kew properties in 2026.
LCCL Construction
Jun 12 min read
Loft Conversions Chelsea SW3 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Chelsea, London? Complete guide to costs from £55,000, conservation area planning rules and the best conversion types for Chelsea SW3 properties in 2026.
LCCL Construction
Jun 12 min read
Double Storey Extension London 2026: Complete Guide to Costs, Planning and Design
Planning a double storey extension in London? Complete guide to costs from £80,000, planning permission rules, design ideas and timelines for double storey extensions in London in 2026.
LCCL Construction
Jun 13 min read
Side Return Extension London 2026: Complete Guide to Costs, Planning and Design
Planning a side return extension in London? Complete guide to costs from £35,000, permitted development rules, design ideas and timelines for side return extensions in London in 2026.
LCCL Construction
May 283 min read
House Extensions Finchley N3 & N12 2026: Complete Guide to Costs, Planning and Types
Planning a house extension in Finchley, North London? Complete guide to costs from £35,000, planning permission rules and the best extension types for Finchley N3 and N12 properties in 2026.
LCCL Construction
May 283 min read
Loft Conversions Wandsworth SW18 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Wandsworth, South London? Complete guide to costs from £25,000, planning permission rules and the best conversion types for Wandsworth SW18 properties in 2026.
LCCL Construction
May 282 min read
Loft Conversions & House Extensions Swiss Cottage NW3 & West Hampstead NW6 2026
Planning a loft conversion or house extension in Swiss Cottage NW3 or West Hampstead NW6? Complete guide to costs, planning permission and the best project types for these premium North London areas in 2026.
LCCL Construction
May 282 min read
Loft Conversions Belsize Park NW3 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Belsize Park, North London? Complete guide to costs from £50,000, conservation area planning rules and the best conversion types for Belsize Park NW3 properties in 2026.
LCCL Construction
May 282 min read
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