About Us

MITEHART - LONDON DESIGN & BUILD SPECIALISTS

Mitehart are London's Leading House Extension Builders. Established back in1977, we have been assisting London homeowners to extend their homes for over 40 years.

We are a small family business that provides 1st class customer service and guaranteed work at the most competitive prices. If you’re currently considering an extension, or just some serious updating, we would really love to hear from you with a view to submitting a free quote.

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020 3941 1459   /    07930 837 813

LONDON'S LEADING EXTENSION
BUILDERS FOR
ADDING SPACE +
VALUE AT LOW COST

SIDE EXTENSIONS

Side extensions are very popular for older period properties as well as the more modern 1950's homes.

The Victorian side-return extension is one of the most popular types of extension to ground floor flats and terraced homes.

Building over or replacing the garage with a smart extension is also a greast way to add space and value to a more modern home. Prices start at about £50k in the Greater London area...

KITCHEN EXTENSIONS

At Mitehart, we don't just add a box on the back of your house. Every extension we design and build will give you the best layout, add instant kerb appeal and add tremendous value to your property. 

If you need to reduce your build costs we can also show you how to build your extension at the lowest costs per square metre.

Single and 2-storey house extensions in the Greater London area from £50k...

MODERN EXTENSIONS

Modern extensions are easily the most popular type of extension in this day and age. Flat roofs, Roof Lanterns, Floor to Ceiling Anthracite Biofold Doors are just some of the hallmarks of a great extension.

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Modern extensions are also more cost effective than the more traditional brick build extension with a sloping roof.

Great design and the use of modern materials make this type of extension a great investment.

L-SHAPE
LOFT CONVERSIONS

Becoming increasingly popular, the L-Shape Loft Conversion make excellent use of the back addition loft space.

Extend the full length of the back addition or convert the roof space to an outdoor roof garden or patio.

Endless designs and layouts that will add great value to your property

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Call TODAY to arrange a FREE Consultation.

HIP TO GABLE
LOFT CONVERSIONS

A Hip to Gable Loft Conversion will transform your attic space. By building up the side gable to an apex it gives you loads more space, makes access to the loft rooms far easier and will give you far more choice when it comes to layout.

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In the photo above the designer has added an elongated staircase window which will provide fabelous light to the staircase and loft landing space. The sliding doors and Juliet Balcony are also beautiful touches.

DORMER
LOFT CONVERSIONS

Dormer Loft Conversion are the UK's most popular loft conversion as they will work with all types of home.

Whilst most dormers are a box shape they can be altered in various ways to blend in with the design and style of the property.

Creative design is essential when it comes to creating a dormer loft conversion that looks great and add substantial value to your property.

TESTIMONIALS

“Mitehart are amazing and for once I got exactly what I wanted. Really happy to recommend a great company that provides an excellent service..."

WILL & ANN - CLAPHAM LONDON

"On time on budget - excellent design with a great follow through. Extremely professional service from start to finish..."

ANTHONY - BROMLEY LONDON