Give your Guests a Warm Welcome with Replacement Windows and Doors in Darlington
What do your doors and windows say about you? With things getting back to normal and the relief of being able to welcome friends and family into your home, it might be time to give your property a facelift.
Replacement windows in Darlington aren’t purely cosmetic. If your windows are dripping with condensation or looking past their best, they could be costing you more than just compliments! Windows past their prime could be sending your energy bills up or even taking their toll on your family’s health. These are just some of the reasons we want to help you fix those problems, with our extensive selection of replacement windows and doors in Darlington.
Whether your home’s quirky and full of character or a contemporary new-build, we’ve got the materials, experience, and expertise to install everything from bi-fold and patio doors to energy-efficient double glazing.


From traditional to tilt-and-turn, we’ve got the right windows for you
While giving your windows a good wash might temporarily make your home look more attractive, there’s little to beat a new set. Replacement glass doors and windows in Darlington has never been easier and we’ll help you find the set that’s right for you. Whether you need UPVC to minimise heat loss or you want something made from wood to blend in with your home’s appearance, we’ve got the experience and the expertise.
For durability, our Eclipse Aluminium windows offer longevity, are easy to clean and are super-strong. If it’s something contemporary you’re after, check out our range of Envisage Flush replacement windows.
At Pennine Home Improvements, we also know that security is an important consideration. Our Extreme UPVC windows are ultra-tough and come with additional locking points for total peace of mind.

PENNINE WINDOWS
Our select range of windows caters for any property, of any age. This attention to detail honours the integrity of your home, whilst catering for your modern day needs. It starts with a conversation because it’s not just a product, it’s a careful choice. Warmer, cooler, quieter, safer, easier; whatever you need, we can provide it.

EXTREME UPVC WINDOWS
Good looks, rock solid security and great value for money – these are the main reasons hundreds of satisfied customers give for choosing our UPVC windows.

ENVISAGE FLUSH WINDOWS
What makes Envisage Windows different is the exceptional performance, security and insulation, bringing the traditional timber-look in-line with the demands of the 21st century.

Eclipse Aluminium Windows
The clean, crisp lines and minimalist styling of our hand-crafted designs exude elegance. With super-slim, high-performance frames, we’ve maximised glazing space for a stunning, uninterrupted view.
Invest in your Home
Installing replacement windows and doors in Darlington can add significant value to your home. Many home buyers now look at double-glazing as an essential and having it can increase the chances of you achieving a good selling price. Eclipse Aluminum windows are ideal for modern homes, while our Heritage range offers aesthetically sympathetic windows for older properties, reinforced with modern security features such as Vaultbolt locking systems.

PENNINE PROMISES
Every promise we make, we keep. Every time. Our promises are bold and are there to assure you that we’re completely confident in our products and our service.
Free Annual Maintenance Checks
A little wear and tear is part of everyday life so, every 12 months, for the first two years, we’ll keep a comforting eye on you and your Pennine product.
24 Hour Emergency Lockout Service
If the locks on your Pennine door ever fail, just give us a call. We’ll come and let you in anytime, day or night, and fix the fault.
20 Year Guarantee
Pennine is proud to be the North East’s very first to offer a 20 Year Guarantee. Not only that, you will also be covered for both moving and non-moving parts. Our confidence in our products and dedication to our customers means we’ll be there for you well into the future.
Price Promise
Giving our customers complete confidence in the price that they pay is very important to us. So, if you, or any customer, can find the same product specification and service commitment cheaper elsewhere, within 14 days, we’ll refund DOUBLE the difference.
OUR FINANCE CALCULATOR
See how affordable your home improvement can be with our Finance Calculator.
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