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  • Writer's pictureNick Gradica

How Much Does a Loft Conversion Cost

The cost of a loft conversion in London tends to be higher than the national average due to factors such as higher living costs, increased prices of materials and labour, and potentially more stringent building regulations. Below is a summary of the costs of a typical loft conversion.

However, it's important to note that these are just rough estimates, and actual costs can vary based on several factors.

Loft Conversion in Archway
Loft Conversion in Archway

Loft Conversion Enabling Works Cost

Strip out and remove existing fixtures and fittings in the loft affected by the works away from the site. Cut out a section of the rear roof elevation to open up the area for the new dormer. Supply skips to remove away from site rubbish created during the works. Provide a Portable Loo for the site operatives for the duration of the works. Supply and fit scaffolding as required for the duration of the works to enable works at a high level.

Cost £6870

Loft Conversion Structural Steels Cost

Loft Sub Floor Cost

Dormer Cheeks Fibre Cement Slates Cost

Dormer EPDM Warm Flat Roof Cost

Pitched Roof Fibre Cement Slates Cost

Loft Conversion Double Glazing Cost

Internal Stud Walls Cost

Electrical BG Screwless Faceplates Cost

Central Heating & En-Suite Cost

Loft Conversion Insulation & Dry-Lining

Loft Conversion Plastering Cost

Loft Conversion Carpentry 2nd Fix Cost

En-Suite Tiling Cost

Loft Conversion Painting and Decorating Cost

Legal and Professional Fees


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