Over 50 years of outstanding service

FineLine Windows are one of Kent’s most well respected double glazing companies. Having been in business for the last 50 years, we have been installing high quality products for homeowners for decades. We have an excellent reputation for professional installations and outstanding customer care and we’re committed to improving the lives of all our customers.

Quality windows, doors, and conservatories

At FineLine Windows, we are experts in bespoke home improvements. We specialise in creating individual products, tailored to meet each customer’s exact specifications. We offer all our customers a wealth of experience from product design to final installation.

We have stylish show rooms in both Dartford and Maidstone which perfectly showcase our products. Come along and see our state of the art conservatories and try our top quality double glazed windows and doors. Speak to one of our friendly team of advisors and gain inspiration for your own home improvement project.

customer care

Customer care

At FineLine Windows, we care about our customers. We treat all our customer’s homes like they were our own and strive for excellence in all our installations. Our fitters are reliable and courteous and adhere to strict health and safety standards at all times.

When working at a property, we aim to minimise disruption to our customer’s home life and always leave a property in the exact state we found it in; removing any rubbish and leaving the area clean and vacuumed. We provide a 10-year guarantee on all our installations, so you can rest assured that with FineLine Windows you have a made a solid investment.

FineLine Windows have gone from strength to strength over the past few years and will continue to provide a quality service to all our customers throughout Kent and beyond.

FineLine's many awards and accreditations

Over the years, FineLine Windows has earned many different awards and has been accredited by a number of relevant industry organisations. Previous winners of the G-Awards, the NHIC Community Benefit Award, and MWCIA South East Company of the Year, you can trust you're in good hands.

View the full list of awards & accreditations
G17 awards winner
One Group

One Group's Construction Services

As part of the wider One Group Construction network, we have access to a whole range of builders, designers and experts who can undertake a range of projects from smaller residential to larger developments.

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Multi-award winning company

Here at FineLine, we’re proud to have won many prestigious awards for our products as well as our work in the community:

Installer awards 2022
G21 Finalist
SEHBAC showroom winner
Ultraframe designer winner
Conservatory and orangery awards winner 2019
NHIC 2018 Consumer confidence award
G17 Installer of the year
Learn more

We’re one of the largest

regional retail companies

Vetted for professionalism, competency & compliancy

Improving South East homes for more than 50 years

With show centres across the South East, you’re not far away from achieving your dream home:

See our show centres

Our Accreditations

FENSA Approved
TSI Approved Code
Ultra Installer
QA National Warranties