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Londons Top House Extension Company

UK BASED

  • On time & on budget guarantee
  • Every home Extension design is unique & on trend
  • Design to construction, we look after everything

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Customer Centric Service

Design Services

Superior Workmanship

Fully Accredited

London's # 1 “House Extension” Experts

We offer you Great Value, Superior craftsmanship and Professional Project management. As your trusted partners, we guarantee a professional job and to get your Extension project done on time and on budget.

House Extensions – made EASY!

Unlike other building companies who leave you with an undecorated space, we do everything for you.

We’re a full service “one stop shop”!

Our Services

  • Full Govt Planning & Architectural Service
  • Actual Extension Build
  • Interior Design
  • First class painting, wall papering & decoration
  • All plumbing, tiling & electrical work installation

Outstanding Value!

Guaranteed low costs – and Exceptional Value! 

We are from all over the world. Rocko has the very best International craftsmen (craftsmen – not tradesmen), so we can guarantee high-end results, while still passing the low costs & savings onto our delighted customers

House Extensions – From Design to Completion

Communication is key to how we work; from the outset we closely co-operate with our customers to understand the vision they have for their home. 

This commitment continues right through to completion so that we can adhere to the plans in close consultation with you, making any changes necessary or as requested with discussion at every step.

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