Transform Your Home with Premium Obscure Windows

Enhance your property with obscure window installations from Bowalker Windows Limited, carried out by our in-house team of installers who measure and fit each window with precision. Our FENSA registration (33081) and 10-year insurance-backed guarantee ensure consistent quality, durability and long-term performance.

Dimensions Max size 2.5M high x 1.5M wide
Thermally Broken As standard
Glass Astragal bars, Satin, Double Glazed

Professional Obscure Windows Installation and Replacement Services

As a trusted obscure window installer, Bowalker provides professional obscure window installation and replacement services for homeowners who require privacy glass solutions that improve light diffusion, security and energy efficiency. Our experienced in-house installers measure and fit a wide range of obscure glazing options, including frosted, patterned and textured glass units, for bathroom windows, ground-floor rooms and overlooked elevations.

Each installation uses durable, energy-efficient glazing units with low-E glass, argon-filled cavities and sealed frames to reduce heat loss and maintain consistent indoor comfort. Every obscure window is tailored to the required privacy rating, frame material and aperture size, ensuring it complements both modern and traditional properties.

Call Bowalker Windows on 01444 810 111 to arrange your free survey. Our in-house team provides a precise survey and fit service, with compliant installation and a guaranteed finish backed by our FENSA registration (33081) and 10-year insurance-backed guarantee.

Materials

uPVC
Timber
Aluminium

Standard Hardware

Chrome
Satin
Gold Knob
Antique Black Knob

Standard Colours

Smooth White
Cream
Painswick Grey
Chartwell Green
Anthracite Grey
Irish Oak
Dual Colour
Paint to Order

Glass

Triple Glazed
Satin
Astragal Bars

Standard Layouts

Single
Double
Triple

Our Certifications and Professional Standards

Why Homeowners Choose Bowalker For Obscure Windows Installation Services?

Homeowners choose Bowalker Windows for obscure window installation to receive premium workmanship, a hassle-free, full-service experience and the reliability of our experienced in-house team. Founded in 2009, we are recognised for our 10-year insurance-backed guarantee, FENSA Registration (33081) certification and commitment to completing every installation in-house. Our mission is to enhance your property’s comfort, privacy and energy performance, ensuring each obscure window is precisely fitted, durable and built to last. From consultation to final fitting, we support our customers at every stage, delivering a clean, high-quality finish tailored to the requirements of each property.

10-year Insurance-backed Guarantee

Fensa Registered And Fully Compliant

Hassle-free, Full-service Experience

In-house Installers (No Subcontractors)

Fixed Pricing Guarantee, No Surprises

Types of Obscure Glass Windows We Install and Replace

A frosted glass window features an acid-etched or matte surface that diffuses natural light while limiting visibility through the pane. This obscure glazing option suits bathroom windows, ground-floor rooms and overlooked elevations where privacy matters.

Bowalker supplies frosted glass window installation and replacement services with double-glazed units, low-E coatings and sealed glazing beads to improve insulation and reduce glare. Available in uPVC, aluminium and timber frames, these windows suit casement, tilt-and-turn and fixed-light designs, offering durable, low-maintenance performance.

An etched glass window features a sandblasted or chemically treated surface that creates a semi-opaque finish to diffuse light and limit visibility. Suited to entrance doors, bathroom windows, side panels and fanlights, etched glass is available in varying opacity levels, from light surface texturing that softens views to deeply sandblasted finishes that provide near-complete privacy.

Bowalker installs and replaces etched glass windows with bespoke glazing units, secure sealing and regulation-compliant fitting, with acid-etched and sandblasted options and bespoke pattern work available on request.

A textured or patterned glass window features embossed or reeded designs that diffuse light and distort visibility for added privacy. Popular options include Stippolyte, Cotswold, Minster, Florielle and ribbed glass patterns, each offering different obscuration levels.

Bowalker installs and replaces patterned glass windows for bathrooms, modesty panels and privacy glazing using double-glazed obscure units with weather seals and thermally efficient frames. These windows provide decorative flexibility, reliable light transmission and durable performance for modern and traditional homes.

No more windows to show

See Our Work In Action

Doors

Pool House

We helped create a stunning new-build pool house in West Sussex, featuring bespoke cornerless sliding doors and uninterrupted countryside views.

Rooflight

Living Room Extension

Partnership with builder to create a bright, modern living space with aluminium French doors, Bifold doors, matching windows, and a Lantern Rooflight.

Doors

Whole House Renovation

Assisted a developer with a full property renovation with, installing bespoke blue and black aluminium windows and doors.

Windows

Full Window & Door Upgrade

We helped transform an aging building with 56 new white uPVC windows and doors, enhancing thermal efficiency while keeping costs reasonable.

What Are the Benefits of Installing Obscure Windows?

Installing cottage windows offers several key benefits, including improved energy efficiency, enhanced security and increased property value. Modern cottage windows, such as flush casement and sliding sash styles, feature high-performance glazing and multi-chambered frames that reduce heat loss, improve insulation and help maintain a comfortable indoor environment. These windows preserve the traditional aesthetic of your home whilst offering the practical advantages of modern materials.

Seven key benefits of installing obscure windows are:

Enhanced Privacy Without Blocking Light

Obscure glass blocks visibility while allowing natural light to pass through, making it ideal for bathroom windows.

Increased Property Value

Privacy glass windows improve the look and function of key spaces, which supports overall property value.

Enhanced Security

Obscure glazing limits visibility into the home, helping protect interiors from outside view.

Aesthetic Flexibility

Patterned glass and textured glass options provide different designs to match modern and traditional homes.

Energy Efficiency

Double-glazed obscure windows reduce heat loss and improve thermal insulation through sealed glazing units and insulated frames.

Natural Light Flow

Obscure glass diffuses light to keep rooms bright while maintaining privacy and controlled visibility.

Ideal for Moisture-Prone Areas

Obscure glass works well in bathrooms, as sealed units and durable frames help manage condensation and humidity.

How to Get Started With Obscure Windows Installation and Replacement at Bowalker?

Getting started with obscure window installation at Bowalker is straightforward. Our in-house team assesses your property, advises on the most suitable glazing type, whether frosted, etched or patterned, and recommends the right frame material and privacy rating for each room. From there, we provide a no-obligation quote and carry out installation to FENSA-compliant standards.

Get In Touch

Fill out the form and we’ll get back to you shortly.

Areas We Serve

Bowalker provides professional obscure window installation and replacement services across Sussex, Surrey and London. Our in-house team ensures consistent workmanship, reliable installations and ongoing support for homeowners throughout these regions.

What Our Happy Customers Say

EXCELLENT

Based on 36 reviews

Google Review

Write a Review

Marchants Estate Agents Hassocks 2 weeks ago

Excellent service from a local independent company. Highly recommend.

Andy Clarke 3 days ago

I had replacement windows installed. Design and advice was good and cost was competitive. Installation was started in a good time to a good standard.

Abi Hosier a month ago

Bowalker have been incredibly helpful and provided me with extremely useful information about the windows and doors at a property I moved into, previously supplied by them. Great customer service, really recommend

steph park a month ago

Bowalker replaced all of our windows and patio doors in November. They are very efficient and got the job done in the pouring rain but did it quick and professionally. We had a couple of teething issues with the doors after completion and they did not hesitate to come out and rectify the issue. Excellent customer service and a friendly team. Would highly recommend

Nic Downer Edited 3 months ago

We had a total of 6 windows fitted at end of June 2025 (2 bathroom(frosted), 1 hallway,1 dining room and two big bay windows complete with 2 window boards). Took 5 days in total as bay windows were load bearing ,the window boards were not in warehouse so took extra time to arrive and fit , the silicone/mastic finish wasn’t great and they cut one end of a window board wrong , but after a telephone call a new team of fitters came out and rectified the mistakes of original fitters that we had noticed , a window pane had got scratched in delivery so they replaced that as well. This was a big job that entailed some mistakes but over time was rectified by bowalker windows by sending out another team of fitters to fix some minor mistakes of original fitters . We went on a recommendation from a work colleague who had used Bowalker windows in the past as were very good. Maybe just improve your fitters mastic silicone skills a bit more but is is an old house of 110 years and nothing is level in this house

Mark Fitzpatrick 4 months ago

As a property developer operating across Brighton and Hove, I rely on trusted trades who consistently deliver — and Bowalker Windows Ltd, led by Zack Newman, is one of those partners. We specify their windows across all our developments because their products meet the high standards our clients expect, installations are completed on schedule, and site coordination with our contractors is seamless. Zack is responsive, pragmatic, and straightforward about lead times and costs, which makes planning and handovers far easier. Their workmanship is excellent, energy-performance claims are reliable, and they stand behind their warranty. Competitive pricing, professional teams, and reliable aftercare mean we’ll continue to use Bowalker Windows on future projects. Highly recommended for any developer or home owners in the Brighton & Hove area.

mark Matthew 4 months ago

5 stars! I recently had all the windows in my home replaced by Bowalker Windows and couldn’t be happier with the result. From my very first contact I worked with Zack Newman — he was professional, knowledgeable, and transparent about pricing and timelines. The installation team arrived on time, worked efficiently, and left the house clean. The new windows look fantastic, operate smoothly, and have already made a noticeable difference in comfort and noise reduction. Excellent customer service from start to finish — I highly recommend Zack and Bowalker Windows to anyone looking for quality work and a hassle-free experience.

Graeme Edited 5 months ago

I am 9 years into our windows installation from Bowalker Windows. I emailed them on Sunday with an issue and by 3pm Monday afternoon they were at my home sorting the issue. This company's attitude to exceeding customer service and going the extra mile is in their DNA. These guys are just amazing from cradle to grave when it comes to windows and doors. I wouldn't go anywhere else. Simply fantastic.

Tatiana Gurova 6 months ago

The installation went quickly and without any problems. I recommended them as excellent specialists.

Joanna Steadman 6 months ago

We have used Bowalker on several occasions for replacement windows and doors and have always been pleased with the work, product price snd communication

Enhance the comfort, style, and energy efficiency of your home with our premium windows and doors, contact us today.

01444 810 111

Meet Our Team

Our team at Bowalker comprises highly skilled window installers and specialists who deliver premium installations and replacements with precision and care. All our obscure window installers work fully in-house, ensuring consistent quality, accountability and a seamless experience from consultation to completion. We are committed to making your home warm, safe and stylish, with a focus on customer satisfaction and long-lasting performance.

Obscure Windows Project Gallery

Two anthracite sash windows in Hassocks

Ready to Get Started with Bowalker Obscure Glass Windows?

Obscure windows improve your home’s privacy, thermal comfort and energy efficiency without sacrificing natural light. Bowalker Windows Limited provides a complete installation and replacement service with an experienced in-house team, high-performance glazing systems and a 10-year insurance-backed guarantee.

Call 01444 810 111 today to arrange your free consultation and receive a no-obligation quote. Our team handles every stage, from survey to final fit, ensuring each window is installed accurately for lasting performance and a clean, high-quality finish.

Enhance the comfort, style, and energy efficiency of your home with our premium windows and doors, contact us today.

01444 810 111

Frequently Asked Questions

What Are Obscure Windows?

Obscure windows are windows fitted with frosted glass, patterned glass, or textured glass designed to reduce visibility while allowing natural light to pass through. They are commonly used in bathroom windows, ground-floor rooms and overlooked elevations where privacy glass is required without blocking light transmission.

How Much Does Obscure Window Installation Cost?

Obscure window installation costs range from £250 to £800 per window, depending on factors such as window size, frame material (uPVC, aluminium or timber), glazing type and privacy rating. Additional factors such as access, replacement requirements and bespoke glass designs can also affect the final installation cost.

What Materials Are Obscure Windows Made From?

Obscure windows are made from frames in uPVC, aluminium or timber, combined with frosted, patterned or etched glass glazing units. These materials provide durability, thermal insulation and secure window glazing suitable for both modern and traditional properties.

How Long Does Obscure Window Installation Take?

Obscure window installation takes 30 to 60 minutes per window, while a full property installation can take 1 to 2 days, depending on the number of windows and complexity. Installation time may vary based on window size, access and whether a full window replacement or glass replacement is required.

What Guarantee Do You Provide on Obscure Window Installation?

Bowalker provides a 10-year insurance-backed guarantee on obscure window installation. This covers workmanship and installation quality, ensuring each glazing unit is fitted to compliant standards and performs reliably over time.

Do I Need to Be at Home During the Installation?

No, you do not need to be at home during the installation as long as access is arranged and specifications are confirmed in advance. Bowalker’s in-house installers carry out the work securely and complete the installation to the agreed requirements.

How Much Does It Cost to Replace Obscure Windows?

The cost to replace obscure windows ranges between £200 and £700 per window for glass-only replacement and £400 to £1,000+ for full window replacement. The final cost depends on the glazing unit, frame condition, window size and installation requirements.

What Are the Maintenance Tips for Obscure Windows?

Maintenance for obscure windows includes regular cleaning of the glass and frame, checking seals to prevent draughts and ensuring hinges and locks operate smoothly. Proper ventilation in bathroom windows helps reduce condensation and maintain long-term performance.

Avoid abrasive cleaning products on frosted or etched glass, as these can scratch or dull the surface finish over time. A mild detergent and a soft cloth are sufficient for routine cleaning.