Why Choose Us?

Fully Detailed Quotes on Small, Mid & Large Projects

Located Locally 

Fully Qualified Team

No Upfront Payments

No Deposits

Guarantee 10 years

Insured and Accredited Construction Company

Efficient and Professional services

Construction Company London and Hertfordshire

Total Building and M&E Services Under One Roof

Fully Vetted and Accredited Engineers GAS SAFE and NICEIC REGISTERED

Planning Portal
Lodon and Hertforshire Construction Awards
National Federaion Of Builders Accredited
Get in touch with us:

Address:  Unit 720 Catalyst House, Centennial Park, Centennial Avenue, Borehamwood, WD6 3SY

Telephone: 020 8037 7332

**Attendance By Appointment Only.**

We Serve London and Hertfordshire 20 Mile Radius from our Base in Barnet and Borehamwood.


Loft Conversions Company, House Extensions, Builders in Barnet, Elstree, Bushey, Borehamwood, Hadley Wood, St Albans, Potters Bar, Brent, Camden, Ealing, Enfield, Hammersmith and Fulham, Harrow, Kensington and Chelsea, Rickmansworth and Hertfordshire. Builders in LondonNorth London and North West London.

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Copyright 2006 - 2020 All Rights Received. Company Number: 11713461.

House Extension Builders and  Loft Conversion Company London & Hertfordshire

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New House Builders

Covering London and Surrounding Counties

" We hold £10m Public Insurance

£5m Employers and All Risk Total Insurance to give you a peace of Mind! " 

London, United Kingdom small house builders

North London small house builders

Hertfordshire small House Builders

United Kingdom small House Builders

New house builders London and Hertfordshire, Custom house builder covering London and Hertfordshire United Kingdom. Our experience has allowed us to simplify the process of design, build and management, which means all the services are in one place delivering results to highest standards and on time. We only have experienced people working with us and each stages are broken down into smaller steps to ensure each stage is managed, regulated and complied with government standards. 

New house builders design and build construction company. From studio flat at 37 meter squared to 6 bedroom house at 500 meter squared all the houses. We also build residential flats and blocks as well as developments of many houses.

We are a certified, accredited and fully insured company delivering construction services across London and nationally. We are fully compliant with government and industry standards. Ensuring your new property will be fully warrantied for 10 or 12 years.

Our building solutions are for private landlords/homeowners and developers, we take on projects from £30k upwards. Our capabilities enable us to build anything requested by the customer. Give us a call today and see how we can help you.

Are you planning to build a New House or Residential Development?

Get in touch with us today on info@adconstructionlondon.co.uk or via phone 020 8037 7332

Customer After Care

"We love our House that Lccl has built us we always wanted our own home, but could not afford one. Now we have our own house thanks to Lccl Construction"

Mr & Mrs Williams. 

Book a Free Consultation or Call us Today

We have after services customer care which means we are with you all the way ensuring property we built is efficient and that there are no faults.