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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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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
Loft Conversions Primrose Hill NW1 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Primrose Hill, North London? Complete guide to costs from £52,000, conservation area planning rules and the best conversion types for Primrose Hill NW1 properties in 2026.
LCCL Construction
May 263 min read
Loft Conversions Clapham SW4 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Clapham, South London? Complete guide to costs from £28,000, conservation area planning rules and the best conversion types for Clapham SW4 properties in 2026.
LCCL Construction
May 262 min read
Hip to Gable Loft Conversion London 2026: Complete Guide to Costs, Planning and Design
Planning a hip to gable loft conversion in London? Complete guide to costs from £45,000, planning permission rules, design and why hip to gable is the best conversion type for semi-detached properties in 2026.
LCCL Construction
May 263 min read
How Much Value Does a Loft Conversion Add in London? 2026 Guide
How much value does a loft conversion add in London? Complete guide to the return on investment of dormer, L-shaped, hip to gable and mansard loft conversions across London in 2026.
LCCL Construction
May 263 min read
L-Shaped Loft Conversion London 2026: Complete Guide to Costs, Planning and Design
Planning an L-shaped loft conversion in London? Complete guide to costs from £45,000, planning permission rules, design and what makes an L-shaped dormer the best conversion type for terraced houses with a back addition in 2026.
LCCL Construction
May 263 min read
House Extensions Fulham SW6 2026: Complete Guide to Costs, Planning and Design
Planning a house extension in Fulham, South West London? Complete guide to costs from £40,000, planning permission rules and the best extension types for Fulham SW6 properties in 2026.
LCCL Construction
May 213 min read
Loft Conversions Notting Hill W11 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Notting Hill, West London? Complete guide to costs from £50,000, conservation area planning rules and the best conversion types for Notting Hill W11 properties in 2026.
LCCL Construction
May 213 min read
House Extensions Kensington & Chelsea 2026: Complete Guide to Costs, Planning and Design
Planning a house extension in Kensington or Chelsea? Complete guide to costs, conservation area planning rules and the best extension types for Royal Borough of Kensington and Chelsea properties in 2026.
LCCL Construction
May 213 min read
Loft Conversions Marylebone W1 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Marylebone, Central London? Complete guide to costs from £55,000, conservation area planning rules and the best conversion types for Marylebone W1 properties in 2026.
LCCL Construction
May 213 min read
Dormer Loft Conversion London 2026: Complete Guide to Costs, Planning and Design
Planning a dormer loft conversion in London? Complete guide to costs from £45,000, planning permission rules, design ideas and timelines for dormer loft conversions in London in 2026.
LCCL Construction
May 213 min read
Loft Conversions Camden NW1 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Camden, North London? Complete guide to costs from £28,000, conservation area planning rules and the best conversion types for Camden NW1 properties in 2026.
LCCL Construction
May 182 min read
Loft Conversions Islington N1 2026: Complete Guide to Costs, Planning and Types
Planning a loft conversion in Islington, North London? Complete guide to costs from £28,000, conservation area planning rules and the best conversion types for Islington N1 properties in 2026.
LCCL Construction
May 183 min read
Mansard Loft Conversion London 2026: Complete Guide to Costs, Planning and Design
Planning a mansard loft conversion in London? Complete guide to costs from £60,000, planning permission, design and what makes a mansard the best conversion type for many London properties in 2026.
LCCL Construction
May 183 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
How Much Value Does a House Extension Add in London? 2026 Guide
How much value does a house extension add in London? Complete guide to the return on investment of rear extensions, side return extensions, wraparound extensions and double storey extensions in 2026.
LCCL Construction
May 183 min read
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