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STEP 02 · Expand Living Space

House Extensions

Single and double-storey extensions designed to extend your living space, not your stress.

Professional House Extensions Services in London

Unlock the full potential of your property with a professionally built house extension. From spacious open-plan kitchen diners and side-return extensions to wrap-around double storey builds, MaxMark Builders delivers seamless extensions tailored to your lifestyle. We ensure structural harmony with your existing building while creating modern, sun-filled living spaces.

Key Features & Standards Included

  • Single & Double Storey Rear Extensions
  • Side-Return & Wrap-Around Kitchen Extensions
  • Structural Steel Beam Open-Plan Knockthroughs
  • Bi-fold, Crittall & Sliding Glass Door Installations
  • Flat Roof Lightboxes & Lantern Sky PODs
  • Full Project Management & Fixed Schedule Assurance
Step-by-step workflow

How We Deliver Your House Extensions

STEP 01

Architectural Consult

We review your site boundary, drainage, and property goals to suggest optimal extension footprints.

STEP 02

Planning & Party Wall

Handling planning submissions, party wall notices, and Thames Water build-over agreements.

STEP 03

Groundworks & Shell

Excavating footings, pouring concrete foundations, laying brickwork shell and installing RSJ steel beams.

STEP 04

Glazing & Interior

Fitting roof lanterns, bi-folds, underfloor heating, screeding, plastering, and interior finish.

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