London's Premier Extension Company

Simply Extend Past Projects

London's Premier Extensions Company

If you have been looking to add more room in your home, or improve your property's value, then an extension can be a cost-effective and versatile way to achieve this with impressive results. Here at Simply Extend, we specialise in many different house extensions in London, with various projects all carried out by qualified and experienced builders.

Why Choose Simply Extend?

Simply Extend understands how much time and effort goes into any home extension project, whether it is a London kitchen Extension, Bathroom Extension or any other addition to your home. This is why we pride ourselves on providing a comprehensive all-in-one service.


We will assist you at every step of the way to ensure your house extension meets your own desires, as well as being fully compliant with building regulations and council planning. We will set a fixed price and timescale in the contract to ensure the process is as convenient as possible.

Get in touch today to start your London Home Extension

All of our work is covered by a 10 year guarantee, with the option of additional insurance via our FMB Master Bond membership status, and you will receive all relevant certification and paperwork for added peace of mind.

We cover most of the London area, and our full range of coverage is shown below. If you are looking for Kitchen Extensions in London, Side Return Extensions or have any other projects in mind, call Simply Extend today for a free no-obligation quote.

FREE Site Survey?

Complete the short form below and we will call you back, or give us a call on FREEPHONE 0800 917 7571 and we will be happy to help


Please note: We will never pass on your details without your permission.

10 Year Guarantee
Everything we do is covered by a 10 year guarantee and, because we are FMB Master Bond members, you also have the option to take out a separate insurance backed guarantee. More information?

Set Prices and Timescales
We will agree prices and timescales with you, commit to them in contract, and then deliver.

Planning Application Service
From creating and submitting plans and producing structural calculations, to gaining planning approval or permitted development agreement, we take care of the entire planning process.

Project Management Service
We give you the highest standard of managed service and through weekly site meetings, progress will be checked against an agreed programme.

Issue Of Certification
Once work has been completed, you will be provided with a building control certificate and all other relevant certification.

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Thank you for visiting us at Grand Designs 10 Year guarentee FMB - The sign of building quality FMB MasterBond Member European Builders Confederation Velux
We deliver Building Work in the following areas:

Builders South London :

Click here to see our South London service areas...

(sw1, sw2, sw3, sw4, sw5, sw6, sw7, sw8, sw9, sw10, sw11, sw12, sw13, sw14, sw15, sw16, sw17, sw18, sw19, sw20, se1, se2, se3, se4, se5, se6, se7, se8, se9, se10, se11, se12, se13, se14, se15, se16, se17, se18, se19, se20, se21, se22, se23, se24, se25) Wimbledon, Wandsworth,Morden, Esher, Epsom, Banstead, Croydon, South Croydon, Crystal Palace, Clapham, Clapham Common, Battersea, Dulwich, Vauxhall, Tooting, Balham, Brixton, Greenwich.

Builders West London :

Click here to see our West London service areas...

(w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, tw1, tw2, tw3, tw4, tw5, tw6, tw7, tw8, tw9, tw10, tw11, tw12, tw13, tw14, kt1, kt2, kt3, kt3, kt4, kt5, kt6, kt7, kt8, kt9, kt10, kt11, kt12, kt13, kt14) Isleworth, Acton, Eastcote, Bayswater, Brook Green, Chiswick, Ealing, Uxbridge, Greenford, Hanger Lane, Hanwell, Hammersmith, Holland Park, Kensington, Elsham, Notting Hill, East Molesley, Ladbroke Grove, Marylebone, Mayfair, North Kensington, Warwick Avenue, Osterley, Paddington, Perivale, Shepherd's Bush, Strand, West Brompton, Kensal Green, Queens Park, West Ealing

Builders Central London :

Click here to see our Central London service areas...

(wc1, wc2, ec1, ec2, ec3, ec4): Barbican, Clerkenwell, Monument, Shoreditch, West End, Gray's Inn, Bloomsbury, Holborn, Soho, Moorgate, St Paul's Cray, Tower Hill, St. Paul's, Covent Garden, St Mary's Cray, Belgravia.

Builders North London:

Click here to see our North London service areas...

(n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11, n12, n13, n14, n15, n16, n17, n18, n19, n20, n21, n22) East Barnet, Archway, Finsbury, Alexandra Palace, Fortis Green, Barnet, Kentish Town, Canonbury, Crouch End, East Finchley, Enfield Park, Cockfosters, Enfield, Finsbury Park, Barnet, Epping Forest, Hampstead Garden Suburb, Finchley Central, Islington, Barnsbury, Highbury, Highgate, Hornsey, Lower Edmonton, Tufnell Park, Manor House, New Southgate, Holloway, North Finchley, Hendon, Palmers Green, Pinner Green, Pinner, Ponders End, Muswell Hill, Potters Bar, Woodside Park, Seven Sisters, Winchmore Hill, Southgate, Totteridge, Upper Edmonton, Whetstone, Tottenham, Woodford Green, New Barnet, Stoke Newington.

Builders North West London:

Click here to see our North West London service areas...

(nw1, nw2, nw3, nw4, nw5, nw6, nw7, nw8, nw9, nw10, nw11, nw12, nw13, nw14, nw15): Neasden, Plumbers Brent Cross, West Hampstead, Wembley, Camden Town, Northolt, Hampstead, Kilburn, Havering, Golders Green, Harrow, Temple Fortune, Cricklewood, Kingsbury, Plumbers St John's Wood, Greenhill, Harlesden, Colindale, Maida Vale, Mill Hill, Regent's Park, Hampstead Heath, Harrow on the hill, Willesden, Sudbury, Plumbers Swiss Cottage.

Recent Simply Extend Blog Posts:

How much does a London home extension cost?
When we surveyed more than 600 Londoners last year, almost 30% said their kitchen was the aspect of their home they would most like to change. Even if...
Could Home Extensions in London be the key to Shared Homes and Future Living?
The future of home life in the UK is large living spaces shared by multiple adult generations of a family. That is the verdict of a report by the Nati...
Increase the value of your home by appealing to the budding chef
Home owners looking to expand their kitchen will be pleased to know that a third of estate agents in the UK believe that the extension will increase t...