House Extensions | London & Home Counties | 30+ Years Experience

Transform your London home with expertly designed and built house extensions. With over 30 years of experience extending properties across London, Surrey, Kent and Essex, we specialize in creating additional living space that enhances both your lifestyle and property value.

Call or text Jozeph directly 07860 937539.
Email us: [email protected] | contact

  • A modern brick house extension featuring large glass doors and a patio area.
  • Exposed brick wall during interior construction with scaffolding and workers present.
  • Construction site featuring steel beams, scaffolding, and a ladder against a brick wall.
  • Steel beam structure supported by props during construction phase of a building.
  • Construction site featuring vertical support props holding up a structure during renovation.
  • View of a construction site showing exposed brick walls and scaffolding supports.

Extension Types

Single Storey Extensions London

Perfect for creating open-plan kitchen diners, extending living rooms, or adding ground-floor bedrooms:

  • Rear extensions – ideal for Victorian and Edwardian terraced houses
  • Side return extensions – maximize space in narrow London properties
  • Wrap-around extensions – combine side and rear extensions for maximum space
  • Kitchen extensions – create the heart of your home with dining and living space

Double Storey Extensions London

Maximize your extension investment by adding space on two floors:

  • Rear double storey – add kitchen/dining downstairs, bedroom/bathroom upstairs
  • Two-storey side extensions – perfect for semi-detached and detached houses
  • L-shaped extensions – follow your property’s footprint

Areas We Serve

House extension services available across:

Greater London:

  • All boroughs including South London, South East, South West and selective Central London projects

Surrey:

  • Reigate, Redhill, Dorking, Epsom, Ewell, Carshalton, Purley, Kingston

Kent:

  • Sevenoaks, Orpington, Chislehurst, Bexley, Dartford, Gravesend

Essex:

  • Brentwood, Chelmsford areas

Hertfordshire:

  • Watford, St Albans

Get Your Free Extension Quote Today

Call or text Jozeph directly 07860 937539.
Email us: [email protected]

Service areas: London, Surrey, Kent, Essex, Hertfordshire, Buckinghamshire

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J&D Building – Your trusted partner for quality house extensions across London and the Home Counties. Direct communication, transparent pricing, and 30+ years of proven experience.