Covering all of SW London

0208 893 9373

Green Group Construction


1. Telephone consultation:

Green Group Construction believe in you, our valued client, making informed decisions based on having all the fact. We offer a free telephone consultation, where you can get no waffle advice on feasibility, costs and planning issues.


Call us on 0208 893 9373 or fill in our online contact form so we can drop you a line at a convenient time.


2. Design and quotation:

Our expert loft conversion specialist Nick Simmons will make a site visit to discuss with you the best available options for your premises. Within 48 hours you will receive a fully comprehensive written quotation.


3. The law:

Most loft conversion can be carried out under Permitted Development
Here is a mini guide


If Planning Permission / Certificate of Lawful Development is required we take care of it without charge. Most Councils look to make a decision between 5-8 weeks, from receipt of application.

N.B. We will also supply a Party Wall agreement letter if required.

4. Building regulations:

We use a specialist building control agency to inspect and certify your building works, in order to ensure FULL compliance with building regulations. Click here for BBS Building Control website

Or, if you prefer, we will happily deal with your local authority.


5. The build:

Once all approvals are in place now comes the build and this is likely to take 6 to 8 weeks.


6. Completion:

Your new loft room(s) will be complete and ready for you to start decorating, to be followed by your carpet fitters. If Green Group Construction are to take care of these works then allow a further week or two.


7. Payment terms:

On agreement of works a comprehensive contract will be drawn up. Deposit payment will be required at the time of booking and once we start the works stage payments will be set up.


8. Post loft conversion:

Our 10 year company guarantee covers your loft conversion and includes parts and labour - there are no call-out charges or hidden extras.


Loft Extension Image
Loft Extension Image

Our loft conversion 8 step process

CHAS logo Safe Contractor approved logo The Chartered Institute of Plumbing and Heating Engineering Gas Safe registered logo REA llogo
Worcester Bosch Group logo Vaillant Approved Installer logo MCS logo

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About Us



Green Group Construction

422A  Upper Richmond Road West



SW14 7JX

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Green Group Construction is a trading names of A & F Services (Twickenham) Ltd.


Registered Office: 78 The Green, Twickenham, TW2 5AG.


Registered in England No. 7418115    
VAT Registration No. 105 1847 38


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