Main Takeaways
- DNA Window Solutions are highly rated window installers across Plymouth and surrounding areas with top customer reviews (10/10 on Checkatrade, 5 star on Google and Trust Pilot), and trusted industry accreditations (Assure Certified, Install Sure).
- Homeowners should look for accreditations, strong reviews, and local experience when choosing a window installer to ensure quality workmanship and service.
- DNA Window Solutions offer a wide range of windows, including casement, flush sash, tilt & turn, sliding sash, bay, and french windows —all A Rated with modern energy ratings and secure locking systems.
- With over 25 years of combined experience and tailored products for South West homes, DNA Window Solutions guarantee exceptional products, high standards of workmanship, regional expertise, and competitive prices.
- Customers benefit from sustainable products, strong warranties, and excellent aftercare, making DNA Window Solutions a reliable and long-term partner for home improvements.
What Homeowners Should Expect When Choosing Window Fitters
When investing in new windows, it’s important to do your due diligence and appoint the right installer.
Making the wrong decision at this stage can be costly, with the wrong installation company potentially causing your home damage, inviting condensation into your space, or leaving you with a faulty product and no warranty.
To help you make the correct decision, make sure to look out for these aspects, which a trustworthy installer should have on mass – accreditations, solid reviews, local expertise, high standards, warranties, and quality products ensuring long-term value.
Flush casement windows sit perfectly level with the frame.
What to Look for in a Reliable Window Installer
For long-term performance, energy savings, and peace of mind, it’s essential to work with professionals who meet high standards across several key areas, which we’ve explored below.
Verified Accreditations Ensure Professional Standards
Industry-recognised certifications—such as Assure or similar government-endorsed schemes—demonstrate that an installer follows building regulations and adheres to best practices.
These accreditations also provide access to insurance-backed guarantees, protecting your investment in the long term.
Customer Reviews Reflect Real-World Reliability
Genuine customer feedback is one of the most trustworthy indicators of service quality.
Reviews can highlight everything from punctuality and professionalism to product quality and aftercare—giving you a clear idea of what to expect from your chosen installer. If you’re looking for testimonials on an installer you’re considering, we recommend Google, Trust Pilot or Checkatrade Reviews.
Local Knowledge Brings Practical Benefits
An installer with local experience understands the region’s architectural styles, planning considerations, and climate.
This knowledge enables better design decisions and ensures that windows are both functional and aesthetically in tune with your area.
It’s best to choose a company that specialise in a certain region, rather than a widespread, nationwide service.
Local companies are recommended, as they have a greater understanding of a city or region’s requirements.
High Installation Standards Make All the Difference
The quality of the installation directly affects how well your windows perform.
Look for companies known for tidy, timely, and technically sound installations.
A high standard of workmanship reduces disruption and ensures a clean finish inside and out.
Checking out a company’s social media page is a great way to browse through some of their recent projects.
Long-Term Warranties Provide Peace of Mind
A comprehensive guarantee backed by an insurance policy from someone like InstallSure offers reassurance that the windows—and the installation—will stand the test of time.
It also shows that the company is confident in the durability of its products, the quality of its work and sustainability the company plans to be around for many years to come.
French windows open from the centre.
Product Range Should Match Your Needs
A diverse selection of window colours, styles and materials—such as uPVC, timber, or aluminium—means better customisation for your home.
Whether you value heritage charm, minimalist aesthetics, or low-maintenance functionality, the right installer will offer solutions that match your preferences.
Sustainability and Energy Efficiency Are No Longer Optional
With rising energy costs and growing environmental concerns, modern windows should deliver excellent thermal performance and be responsibly sourced.
Look for energy ratings, U-values, and sustainability certifications that prove long-term efficiency and environmental care.
Fair Pricing Without Compromise
Affordability shouldn’t mean cutting corners.
Reputable installers strike a balance between quality and cost, using smart sourcing and efficient operations to offer value without sacrificing performance or aesthetics.
The experienced team at DNA Window Solutions, specialists in windows, doors, and conservatories.
How DNA Window Solutions Can Help
Founded by brothers Adam and David, DNA Window Solutions is a Plymouth-based company committed to raising the standard of window and door installations across Devon and Cornwall.
From the initial design to final fit, we provide a seamless, personalised service that’s refreshingly customer-focused.
Accreditations You Can Trust
DNA is Assure Certified and covered by Install Sure, meaning every installation meets industry standards and is protected by trusted insurance-backed guarantees.
Local Experience in the South West
From coastal homes in Cornwall to period properties in Plymouth, DNA’s local, specialist knowledge enables us to specify and install products that are suitable for the region’s environment and architectural character.
Positive Customer Reviews
We’re proud to have a 10/10 rating on Checkatrade from 49 reviews and a 5-star rating on Google with over 100 reviews from happy homeowners.
Our fitting teams are regularly praised for being polite, tidy, and efficient, often finishing jobs ahead of schedule without ever compromising on quality. One customer told us:
“Fitters were friendly, professional… job done in three days! Quality products, quiet and easy to operate.”
We strive to make every installation a smooth, stress-free experience — delivering results that consistently exceed expectations.
Long-Term Guarantees
Enjoy peace of mind knowing your investment is protected for the long run with our 10-year guarantee. DNA’s robust guarantee ensures your windows continue to perform for years to come.
Comprehensive Product Range
DNA offers:
All are available in uPVC, timber, and aluminium, so you can match your home’s style and your performance priorities.
Tilt and turn windows represent a versatile solution.
Eco-Friendly Options
With products rated A+ for energy efficiency, certified under BES 6001, and offering double glazing as standard, DNA Window Solutions enable you to upgrade your home while supporting environmental responsibility.
Value for Money
DNA Window Solutions keep costs fair without cutting corners. Their streamlined approach means you receive high-spec products at affordable prices, backed by excellent service from start to finish.
Why Choose DNA Window Solutions?
| Feature | DNA Window Solutions Details |
| Accreditations | Assure Certified Installers, Install Sure |
| Reviews | 100+ 5 Star Google reviews, 50+ 5 Star Trustpilot reviews and 10/10 on Checkatrade (49 reviews) |
| Local Experience | Based in Plymouth, covering Devon & Cornwall with tailored regional expertise |
| Installation Standards | Friendly, tidy installers; high-quality finish; jobs often completed early |
| Warranties | 10-year product and installation guarantee backed with an insurance policy |
| Window Product Range | Casement, flush, tilt & turn, sash, French, bay windows in uPVC, timber, aluminium. Doors and extensions are also available. |
| Sustainability | A+ energy ratings, U-values as low as 0.8 W/m²K, BES 6001 sourcing |
| Affordability | Competitive pricing without compromising on quality |
Modern House with Black uPVC Casement Windows
Windows from DNA Window Solutions
DNA Window Solutions offer a complete suite of window types to suit any home or style preference. Here’s a breakdown of each style and what makes them unique:
Casement Windows
Open outward on side or top hinges, offering excellent ventilation and classic styling. The UK’s most popular window style, casement windows from DNA Window Solutions are available in uPVC, timber, and aluminium materials. Their timeless appeal suits both modern and traditional homes.
Flush Casement Windows
Feature a flush sash that sits flat within the frame, mimicking traditional timber joinery. With U-values as low as 0.8 W/m²K, they offer great looks and superb insulation.
Tilt & Turn Windows
Tilt inwards from the top for ventilation or swing fully inward like a door for cleaning and emergency access. Ideal for upper floors and modern homes.
Vertical Sliding Sash Windows
Slide vertically for a heritage look. Includes:
- Deep bottom rail & Ovolo detailing
- PAS 24 & BS EN 12608 security certification
- A-rated energy performance
- Responsibly sourced materials
French Windows
Two sashes that open outward without a central mullion, creating a wide, uninterrupted opening. Great for airflow and traditional aesthetics.
Bay Windows
Project outward from the building with 3+ panes to create space, light, and visual interest. Includes custom options and enhanced thermal and acoustic performance.
Thinking of upgrading your windows? Get in touch with our friendly team today to arrange your free, no-obligation quote. Call us on 01752 938120 or email sales@dnawindowsolutions.co.uk — we’re here to help.
Sliding sash windows bring a traditional charm to properties.
FAQs
How long does installation take?
Most window installations are completed in just a few days. In many cases, jobs are finished earlier than scheduled, thanks to the efficiency of DNA Window Solutions accredited expert fitters.
What materials can I choose for my new windows?
DNA Window Solutions offer windows in uPVC, timber, and aluminium, allowing you to match performance needs and property styles.
Do you install high quality aluminium and uPVC windows?
Yes – we offer durable, energy-efficient windows from trusted names in a wide range of colours, finishes, and styles.
What types of doors do you install?
We fit composite, aluminium, and uPVC doors including front and back doors, french, sliding patio and bi-fold doors– all expertly installed with quality finishing touches for a hassle-free upgrade that complements your home. With doors from DNA Window Solutions you’re promised endurance, thermal efficiency, and style.
Can I customise my windows and doors?
Absolutely. Choose from various accessories, glazing options, and colours to suit your living space, whether you’re replacing windows or adding a conservatory.
What are the benefits of aluminium windows?
Our high quality windows in aluminium offer slim frames for more natural light, exceptional durability in all weather, and a sleek, modern look that enhances your home’s aesthetic appeal.
