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Loft conversions

Loft Conversions

The Loft Conversion London team are the best Loft Conversion Specialists in the industry. Loft Conversions in London are the solution for growing families and people looking to add quick and easy space to their properties. A Loft Conversion can be completed within just a few weeks



The House Extension London Team are excellent at creating all types of Extensions. Single or Double Storey, Side Return and the latest designer Glass Extensions are built within weeks. Kitchens, Living areas and Entertainment areas are some of the most popular types of House Extensions

Basement Conversions


The Basement Conversion London Team are specialists in Converting Basements in London. Basement Conversions are now very popular within London recently. A London Basement Conversion can be a new self contained flat a gym a cinema room or an addition of many new rooms to the property

Loft Conversion Costs

A new room in the attic is very a wise investment

0207 205 4222

Loft Conversion Costs

The Loft Conversion Costs given here are what building companies are charging for a new Loft Conversion in London. These prices do not represent Builders GB’s Loft Conversion prices. They are shown only as a typical Loft Conversion costs examples only. If you want a quotation for your Loft Conversion then please click here or alternatively call us on 0207 205 4222. Our Loft Conversion prices are very competitive.

Any Loft Conversion costs will vary depending on the type and size of conversion you in mind. The prices given below are for a typical 3 bedroom property in London and are valid for 2013.  The cost of a Loft Conversion is determined by the following.

  • Size
  • Style
  • Layout
  • Specification
  • Fixture and Fittings

The prices given include the following standard items,

  • Steel Beams
  • 2 Roof Light Windows
  • 1 Radiator
  • Flooring
  • Staircase
  • Fire Doors
  • Smoke Alarms
  • Electrical Points
  • Lighting
Please note prices are exclusive of VAT. The cost of a Loft Conversion will also vary depending on the area of London your property is located in. Prices will be higher than the ones given below if your home is larger than average properties.
  • Velux or Rooflight Loft Conversion cost – £20,000 to £25,000
  • Dormer Loft Conversion cost – £32,000 to £45,000
  • Hip to Gable Loft Conversion cost – £35,000 – £65,000
  • Mansard Loft Conversion cost – £40,000 to £80,000

Click here for a Quotation

Optional Extras,
  • Fitted Cupboards
  • Heated Floors
  • New Bathroom

Are these prices the current Loft Conversion Costs 2013 one should expect to pay? In short yes. How do we know that these are the average prices?

  • As Builders GB offer to beat any Loft Conversion quote, we are handed other London based Loft Conversion Specialists prices/quotations by our clients regularly.
  • The Loft Conversions Costs information on this page is accurately compiled by using data from the written quotations we have received from our clients in London.

Whilst there is scaffolding on your home you may also want to consider,

  • Complete Roof Tile Replacement
  • Repainting and Re-pointing the Exterior of house
  • Replacing all Gutters and Drain Pipes

Builders GB’s price for a Loft Conversion in London is much more competitive than the prices shown. We offer

  • FREE Architecture
  • FREE Structural Calculations
  • FREE Painting and Decorating


Call for a quotation,

0207 205 4222

Builders GB, 65 Grosvenor Street, London, W1K 3JH, United Kingdom (UK) - Phone: 020 7205 4222 Email: