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  • Groundworks

  • Foundation Design

  • Foundation construction

  • Helical piles

  • Underpinning

  • Foundation repairs

  • Foundation replacement

Modern home exterior with large windows and a Home extension in London.
  • Void and Occupied Property Refurbishment

  • Planned and Cyclical Maintenance

  • Structural Repairs

  • Piling and Foundation Systems

  •  New Builds and Home Extensions

  • External Wall Insulation

Multi-disciplinary Construction and Contracting Specialists in London and Surrounding Areas

LER Group is a family-run business delivering high quality construction works across London and the surrounding areas. Our client portfolio is diverse and our long standing relationships reflect our competency, reliability and transparency.

From delivering foundation systems for tier 1 contractors to being Principal Contractors for major construction work our multi-disciplinary approach set us apart. Our team of skilled and highly experienced individuals are the basis of our success and nurturing partnerships is at the forefront of everything we do.

Built for major works. Trusted for the details.

Our core team brings 20+ years’ experience across complete refurbishments, fire and flood restoration, subsidence and structural repairs, with full project delivery from enabling works and foundations to final finishes, covering everything from budget lettings to high-end homes.

Accreditations that actually mean something...

​We’re proud members of:

Trustmark Government Endorsed Quality and Trading Standards Approved logos displayed together.
SafeContractor Approved logo. SAFE CONTRACTOR, ALCUMUS.COM for home extension in London
Federation of Master Builders logo with Est. 1941 and fmb.org.uk written below.
Image by Brett Wharton

One team. One point of contact. Less subcontracting.

Our clients regularly value our ability to deliver the majority of works with in-house expertise, helping to reduce programme risk and overall cost compared with heavy subcontracting. 


Where specialist support is needed (such as bespoke joinery or complex solutions), we use proven industry partners to provide a complete, managed package.

Architectural plans

What We Do

We are a muilti-disciplinary contractor working across London and surrounding areas, delivering planned works and reactive projects for private clients and managed buildings alike. Whether it’s improving a single home or managing multi-trade complex refurbishment works, we keep delivery straightforward: clear scope, well managed sites, and consistent quality.

Typical projects include:

  • Managed buildings major refurb or cyclical maintenance

  • Fire or flood restoration or other insurance reinstatements

  • Structural repairs and subsidence solutions

  • Piling and foundation solutions

  • Roofs, flat roofing & balcony waterproofing

  • External wall insulation (EWI) & render systems

Blueprint
Tudor-Style House

Private Clients

  • New Builds, loft conversions and home extensions 

  • Full home refurbishments and upgrades 

  • Project support with surveyors / structural engineers

  • Screw (helical) pile foundations

  • Underpinning

  • External Wall insulation & Render

Modern Office Building

Commercial Clients and Managed Buildings

  • Major refurbishment works (blocks, flats and estates) 

  • Structural, subsidence solutions and enabling works 

  • Foundation solutions, piling and underpinning 

  • Commercial fit-outs and redecoration

  • Roof refurbishments (pitched and flat)

  • Balcony and Car Park Waterproofing

  • External Wall insulation & Render

Construction Site Worker

Specialist Systems

  • Waterproofing (roofs, balconies, terraces)

  • EWI & silicone render systems

  • Fire stopping / compartmentation

  • Damp-proofing and remedials

  • Structural repairs & crack stitching

  • Basement / below-ground waterproofing

  • Drainage upgrades

  • Thermal efficiency upgrades

Trustmark Government Endorsed Quality and Trading Standards Approved logos displayed together.
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  • Facebook

© 2025 by LER Group Ltd.

LER Group Ltd is a company registered with Companies House in England and Wales under registration 12848370. Its VAT number is 358174476 and the registered offices are at 68 Ritcroft Street, Hemel Hempstead, HP3 8PF.

Federation of Master Builders logo with Est. 1941 and fmb.org.uk written below.
SafeContractor Approved logo. SAFE CONTRACTOR, ALCUMUS.COM for home extension in London
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