From front and back doors to sliding patio and bi-fold doors, you’ll be spoilt for choice with FineLine’s double glazed doors. All our doors are available in a range of striking colours with your choice of modern and traditional hardware.  Choose from uPVC, timber, aluminium, or composite materials depending on your requirements.

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Why choose doors from Fineline?

Reviews you can trust

For over 50 years we’ve been installing home improvements, including quality doors, to customers across Kent. At Fineline, we’re experienced in both domestic and commercial projects, so no installation is too difficult for us. We are mountains ahead of the competition, see our Trustpilot scores to prove it!

See our 9.5 trustpilot score
Grey uPVC front entrance door
Black uPVC sliding door

Kent’s home improvement experts

Our staff are excellently trained and work to meet industry regulations, maximising the security of your home. We know Kent like the back of our hands, not being a national installer means our local knowledge helps us to find the best options for your home. You won’t find a more committed team of friendly specialist experts whose priority is to our customers.

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Award winning and accredited products

Our unique collection of awards and accreditations make us stand out from our competitors. We’re the G Award’s Installer of the Year and Master Window and Conservatory Installers Association company of the year. We haven’t peaked here, as part of the SEH group, we’re nominated for even more awards. Our accreditations put us miles ahead. You can trust our services abide by strict industry regulations and standards.

See our awards and accreditations
Oak effect uPVC bifold door
Grey uPVC front door

The complete installer

At Fineline, we’re large enough to have full expertise in house and no jack of all trades but we’re small enough to care about each and every homeowner; no matter how small the project. We’re committed to our customer’s projects like they’re our own, meaning you’ll get honest advice and outstanding services.

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Competitive prices

If you are looking for replacement doors that won't cost you an arm and a leg, look at our expansive range of doors. We compete with our competitors on all aspects, including costs. With our flexible finance options, you can be sure to get a quality installation to meet your budget.

Finance Options
Aluminium front door


All of our doors offer excellent thermal benefits for you and your family; saving you money on your heating bills. All of our doors provide efficient weatherproofing to keep your home warm and comfortable all year round.



Offering acoustic as well as thermal insulation, our doors will successfully block any unwanted noise pollution. The right choice for those living near busy roads, under flight paths or in town and city centres.



Your security is as important to us as it is to you. With a range of locking mechanisms available you can be assured that your home is safe and secure.



From the first quote through to aftercare, the process is made as simple as possible for you. Our professional installers will carry out the installation swiftly and with the utmost care. Our customer service team will promptly deal with any other queries you may have after completion.

Quality products Great prices

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Buying a product through FineLine offers you real peace of mind

Customer promise

We have the knowledge and experience to provide you with exactly what you need. Our staff are expertly trained to guide and advise you. We offer you a 10 Year Guarantee.

Read our customer promise

We are the largest Fensa Aproved regional retail company.

Our Accreditations

NHIC Community Confidence 2018 Award Winners
BSI 9001 2015
Fensa Approved Installer
Ultraframe conservatory installer
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