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"We have known Jeff for over 20 years and have used him on 3 projects over that time, each one bigger than the last! We keep going back to him because he is such a nice man to work with and he combines 5 essential things: 

Brilliant design skills and extensive knowledge about beautiful and appropriate materials e.g. zebrawood 
Real vision about how spaces can be used – in particular how light can be maximised (which was critical when he designed a basement for us) 
Practical details, essential for daily living with a family - things chosen and designed by Jeff are built to last. 
An ability to listen and respond to what the client wants - following our agenda rather than his own. 
Excellent interpersonal skills - maintaining good relationships with planners, builders, engineers and clients, despite the normal ups and downs which accompany any large project!”
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"We are delighted with our glass extension. It is stunning when lit up at night and elegant and in keeping with the cottage by day. The glass room has been designed to be thermally efficient so even during the harshest winters, we often have a blanket of snow on the roof while we remain warm inside. Jeff and Tobi are not scared of taking on challenging projects and finding clever solutions to knotty problems. They identify excellent contractors and work with them seamlessly."
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“In 2006 Jeff Kahane brilliantly re-modelled the rear of our Edwardian house in Highgate to create a beautiful, light and airy dining room that extends from the kitchen into our leafy garden. It has transformed our lives. So unique is it - and so successful has it been - that Jeff’s creation has been the main feature in a recent edition of a home improvement magazine.”
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“My partner and I have used Jeff and his team for three separate projects since 1999. JKA have provided us with not only the attention to detail you would expect, but also truly innovative design which has taken our ideas and produced something unique. We have been truly happy with the work. We have come back to JKA time and again because the service delivered is highly personal, very attentive, timely and of an excellent quality. However, above this, it is just a 'pleasure' to deal with the firm and this is such a refreshing change. The three projects have been: redesigning and rebuilding a hall and stairwell in a loft apartment (project value around £190k); design and modelling to a reception and kitchen area in an Islington canal flat (£75k); design and planning for a refurbished conservatory and window details on a Grade II listed Georgian house in North Yorkshire (£150k).”
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“We had our budget, and three architects told us we were crazy to think we could achieve our dream of a beautiful Chelsea three bedroom maisonette converted from a damp and dreary former office. We are so thankful we came across Jeff Kahane and his team, because they created a spectacular conversion, bringing in light, space and colour to every corner. Jeff selected the builders, did the detailed plans and liaised with the planners. Everything went to schedule and came in on budget. Last year we turned down an offer of three times what we paid for our property only three years after it was converted, because we like living there so much. Jeff is an honest and charming person to deal with. He has the quality lacking in many professionals. He listens! If you want to know more, you can contact Denis on 07704832860. You won't go wrong.”
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“The team at JKA worked hard to understand our requirements for a major renovation of our house. They came up with creative solutions which brought a modern feel to our Edwardian house without changing its essential character. They spent a lot of time with us explaining options and helping us to make decisions. We never felt we were being pushed into anything but they certainly stopped us making mistakes. JKA introduced us to an excellent builder and in combination they project managed the work very efficiently so the build (which lasted over a year) was as near painless as it's possible for such an experience to be.”
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“I have worked with Jeff Kahane + Associates on several occasions, both as a main contractor and as a client. Their designs are both innovative and stylish which result in an appealing and practical end product. My own development in Madia Vale had many design challenges to overcome as it was very restricted site with nine neighbouring properties and window restrictions to three sides of the property. They managed to succeed in designing and gaining planning permission for two totally unique low energy eco houses on three levels, incoporating various roof windows to provide light and ventilation to the rooms below and the main living area largely below ground level. Jeff and his team are very good at the finer detail of their designs with practical back up and useful information on companies that will produce the more detailed and complicated aspects of their design. They are informative and knowledgeable on low energy and eco design elements such as photovoltaic cells, green roofs, heat and air pumps and ventilation heat recovery. 

I highly recommend Jeff Kahane + Associates for design of all domestic and commercial projects as they are helpful, practical and above all innovative design architects.”
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“We had worked with Jeff several times over the years as advisors on development projects for our mutual Housing Association clients, and when it came to spending our own money on our own project, a unique house in Soho, we had no hesitation in choosing to work with Jeff. He and his team were, as we expected, enthusiastic, efficient and brought loads of good ideas to the refurbishment and extension project, delivering a scheme and a planning consent entirely up to our expectations.”
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Simon Jenkins, Millennium Commissioner, on our detailed proposals for the new Public square at Farringdon: "... the most imaginative scheme from the entire Millennium portfolio..."
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“JKA designed and oversaw what was for us a big renovation project on our small but awkward, early Victorian, converted from shops, house. The old, leaking flat roof was completely replaced and the rooftop conservatory rebuilt. Improvements were made to all 3 staircases in the house and to the main bathroom, with a window added. A sliding partition was designed for the 2nd floor and the 1st floor landing was reconfigured. We wanted a drier, warmer, better looking, more functional house and that is precisely what Tobi and Jeff at JKA delivered ... and within budget. In addition, they helped us cut down the cost at the outset. They were responsive to our questions/suggestions through the process and we appreciated the support on matters that were new to us: the contract, planning permission and building regulations. We used builders that JKA had worked with on previous jobs and found the work to be of good value and of a high standard.”