Camper Van Conversion Windows | UK Specialists

Camper van conversion windows are essential components that transform basic cargo vans into comfortable mobile homes, with the UK market experiencing unprecedented growth as van conversion sales reach £8.1 billion in 2024. These specialised windows differ significantly from standard automotive glass, featuring double-glazed acrylic construction, integrated blinds, flyscreens, and secure locking mechanisms designed for extended outdoor use. The three main categories include bonded glass windows for stealth conversions, premium Dometic Seitz S4 hinged models with superior thermal performance, and universal clamp-ring designs suitable for any van model including Ford Transit, Mercedes Sprinter, and Volkswagen Transporter variants.

Professional installation typically costs up to £500 per window, though many DIY builders successfully complete their own fittings using precise templates and proper sealing techniques. Dometic Seitz windows dominate the premium sector with their proven PU-framed construction and integrated roller mechanisms. Critical sizing considerations include van model compatibility - Ford Transit 148" Extended requires different templates than standard wheelbase variants, Mercedes Sprinter panel sections vary by roof height, and all installations must accommodate the 26-41mm wall thickness requirements through wooden build-up frames.

Window placement strategy directly impacts both functionality and DVLA motorhome registration compliance, with sliding door positions maximising natural light without compromising bed layouts, rear quarter installations providing excellent cooking ventilation, and barn door windows enhancing cross-airflow. However, acrylic windows require specific maintenance including annual polymer wax treatment rather than standard glass cleaners, which can damage the surface and void warranties. The technology continues evolving with smart integration features, improved thermal bridges, and enhanced security mechanisms, making professional specification advice increasingly valuable for optimal long-term performance and resale value.

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Dometic Seitz S4 Sliding Windows

Dometic Seitz S4 Sliding Windows

Well proven pu-framed windows: Millions of customers can't be wrong.

 (2 reviews) (2 reviews)
£305.00 - £851.88 (inc VAT)
  
Dometic Window Spares

Dometic Window Spares

Frequently Asked Questions Why can't other retailers supply the same

 
 
  
Dometic Seitz S4 Hinged Windows

Dometic Seitz S4 Hinged Windows

Well proven pu-framed windows: Millions of customers can't be wrong.

 (4 reviews) (4 reviews)
£303.94 - £789.14
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Dometic S7P Windows

Dometic S7P Windows

Aluminium frame windows with flush-fitting panes.

 
£353.19 - £453.63
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Dometic C6 Top Hung Window 520mmx500mm 1409011E
£73.48 Off Discount Flag

Dometic C6 Top Hung Window 520mmx500mm 1409011E

The Dometic C6 Top Hung Window, measuring 520mm x 500mm, is a premium

 
£110.51 (inc VAT)
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Dometic Seitz Window C8 600 x 520 MOV8010600X0520
£29.68 Off Discount Flag

Dometic Seitz Window C8 600 x 520 MOV8010600X0520

The Dometic Seitz Window C8 600 x 520 is an exceptional addition to an

 
£270.31 (inc VAT)
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Dometic  Pane
£79.55 Off Discount Flag

Dometic Pane

black hinge barWith Hinge Bar Black.SpecificationsWidth (mm) : 700

 
£234.44 (inc VAT)
  £313.99
CWD Campervan Hinged Window Curved Black Alloy Frame 500 x 450mm
£55.21 Off Discount Flag

CWD Campervan Hinged Window Curved Black Alloy Frame 500 x 450mm

A high-quality 500 by 450mm campervan window with a black powder coate

 
£272.78 (inc VAT)
  £327.99
AG Window Frame for Offside Window (Rear Quarters) on LWB VW T5 T6 T6.1
£6.73 Off Discount Flag

AG Window Frame for Offside Window (Rear Quarters) on LWB VW T5 T6 T6.1

A black window frame that fits easily to the interior and exterior off

 
£34.26 (inc VAT)
  £40.99
AG Window Frame for Nearside Window on LWB VW T5 T6 T6.1
£3.54 Off Discount Flag

AG Window Frame for Nearside Window on LWB VW T5 T6 T6.1

A black window frame that fits easily to the interior and exterior nea

 
£16.45 (inc VAT)
  £19.99
AG Window Frame for Tailgate Window on VW T5 T6 T6.1
£5.90 Off Discount Flag

AG Window Frame for Tailgate Window on VW T5 T6 T6.1

An easy-to-fit black window frame for the rear tailgate door on Volksw

 
£30.09 (inc VAT)
Stock 
AG Window Frame for Offside Sliding Door on VW T5 T6 T6.1
£6.47 Off Discount Flag

AG Window Frame for Offside Sliding Door on VW T5 T6 T6.1

A black window frame designed to fit the UK offside sliding door on sh

 
£31.52 (inc VAT)
Stock 
AG Window Frame for Nearside Sliding Door on VW T5 T6 T6.1
£6.47 Off Discount Flag

AG Window Frame for Nearside Sliding Door on VW T5 T6 T6.1

A black window frame designed to fit the UK passenger side (nearside)

 
£31.52 (inc VAT)
Stock 
AG Window Frame for Offside Windows (Rear Quarters) on SWB W T5 T6 T6.1
£6.48 Off Discount Flag

AG Window Frame for Offside Windows (Rear Quarters) on SWB W T5 T6 T6.1

A two-piece black window frame that fits easily to the interior and ex

 
£31.51 (inc VAT)
Stock 
AG Window Frame for Nearside Windows (Rear Quarters) on SWB W T5 T6 T6.1
£6.48 Off Discount Flag

AG Window Frame for Nearside Windows (Rear Quarters) on SWB W T5 T6 T6.1

A two-piece black window frame that fits easily to the interior and ex

 
£31.51 (inc VAT)
Stock 
CWD Campervan Hinged Window Black Alloy Frame

CWD Campervan Hinged Window Black Alloy Frame

Campervan Hinged Window Black Alloy Frame

 
£206.00 - £318.99
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Remiflair 4 Aluminum Window Frame

Remiflair 4 Aluminum Window Frame

 
£118.80 - £191.86 (inc VAT)
  

Frequently Asked Questions

What's the difference between Dometic Seitz and budget camper van windows?
Dometic Seitz windows use premium PU frame construction with integrated roller blinds, aluminium-coated flyscreens, and proven double-glazed acrylic panels offering superior thermal performance. Budget alternatives provide similar functionality at 40-50% lower cost but may lack the build quality and warranty coverage. Seitz windows are tested to automotive standards and include lifetime frame warranties, whilst budget options typically offer 2-3 year coverage.
Which camper van window sizes work with Ford Transit conversions?
Ford Transit window compatibility depends on wheelbase length and roof height. Transit 148" standard fits different templates than 148" Extended models, particularly for rear quarter positions. Medium and high roof Transits share the same forward and middle panel dimensions, whilst low roof variants require specific sizing. Popular sizes include 800x450mm for standard panels and 900x550mm for extended configurations. Always verify your specific Transit year and variant before ordering.
Can I install camper van conversion windows myself or need professional fitting?
DIY installation is achievable with proper tools including jigsaw, metal files, sealants, and accurate measuring. Acrylic-framed windows like Seitz S4 models are generally easier than bonded glass installations. Professional fitting normally costs upto £500 per window but includes warranties and waterproofing guarantees. Consider your skill level, available tools, and window type when deciding. Bonded windows often require professional installation due to specialist adhesives and precise alignment requirements.
What wall thickness do camper van windows need for proper installation?
Most aftermarket camper van windows require 26-41mm wall thickness for secure mounting. Standard van panels are typically 15-20mm, necessitating wooden build-up frames or additional mounting rings. Seitz-style windows need precise depth matching for proper seal compression, whilst universal clamp-ring designs accommodate varying thicknesses through adjustable rings. Always measure your specific van wall thickness including any insulation before selecting windows.
Do camper van windows affect DVLA registration and insurance?
Windows are mandatory for DVLA motorhome registration under current regulations and typically improve insurance premiums by enhancing visibility and reducing theft risk. Professional installation may be required for insurance validation on high-value conversions. Some insurers request installation certificates or compliance documentation. Always declare modifications to your insurer before installation to maintain coverage validity and avoid potential claim issues.
Which window positions work best for different camper van layouts?
Sliding door windows maximise natural light without compromising longitudinal bed layouts and provide excellent egress options. Rear quarter positions suit galley kitchens for cooking ventilation and steam extraction. Universal vent windows work behind fixed furniture as height positioning is flexible. Rear door installations offer superior cross-ventilation but make it more obvious your van is a camper conversion, which matters if you need to park discreetly in urban areas or locations where overnight parking might be restricted. Consider your specific layout, furniture placement, and intended parking locations when selecting optimal positions.
How do I maintain acrylic camper van windows properly?
Acrylic camper van windows require polymer wax annually rather than standard glass cleaners which cause clouding and surface damage. Use microfibre cloths exclusively, apply protectant to frames and seals for UV protection, and lubricate screen rollers with silicone spray twice yearly. Never drive with windows open as wind pressure can damage hinges. Always press release buttons before operating latches to prevent mechanism strain and premature wear.
What's the difference between bonded, acrylic, and universal camper van windows?
Bonded windows use single-glazed toughened glass adhered directly to van panels for flush, stealth appearance but require professional installation and specific van compatibility. Acrylic windows offer superior thermal performance with integrated blinds and flyscreens but need wall thickness modifications through build-up frames. Universal clamp-ring windows suit any van model with adjustable mounting but may appear more obviously aftermarket. Choose based on budget, skill level, and desired aesthetics.