
Introduction
Thank you for taking the time to talk with me about your project. Based on our conversation, I’ve put together this report to reflect what matters most to you. Inside, you’ll find examples of the systems we discussed, how they would work in your space, and what you can realistically expect in terms of performance and cost.
When you’re ready, you can book a TEAMS call with me and I’ll walk you through everything step by step.
Your Key Priorities
Based on your survey responses, these are the issues you need to resolve most.
- Priority 1: Managing excessive heat gain
- Priority 2: Insects in the lantern
Your Key Preferences
Based on our conversation your concerns that mean the most to you.
- Preference 1: No visible cords in the structural opening
- Preference 2: Long Term Reliability
Your Roof Lantern Size
- Width: 1000mm
- Length: 1800mm
The Athena’s width could be either length so can travel in any direction within this lantern. Parameters are 3m x 3m.
Recommended Blind System
Based on your preferences and the size of your lantern, the most suitable system is:
The Athena Electric Roof Blind
This system works well for you because:
- It supports the span of your lantern without sagging
- 3 times more fabric tension than CTS systems minimising rippling
- No visible cords
- Headbox 125mm wide by 105mm high
- Side channels on two longer sides 54mm.
- Dimensionally stable fabrics that will deliver on performance and aesthetics
- Most Roof Lantern Blinds Sag. Here’s Why.

Motor Options
- Somfy Sonesse 40 RTS (mains powered). Sound level 35 Decibel. (Requires a 5A switched fuse spur installed by your electrician if there is no mains power in your lantern)
- Somfy Sunea 40 IO (solar battery powered) Sound level 70 Decibel.
Both options allow remote control handset touch control and Somfy Tahoma Hub/App for automation
Control Options
- Somfy Tahoma Hub & Smart Phone App (compatible with motors above)
- Automated sun sensor
- Remote Control Handset
This combinations offers you the best of touch control and the option of sun automation

Fabric Choice for Athena System
Serge Ferrari Perform 92 Snow White
- High Solar Reflectance Rs% for heat rejection 73%
- High Light Transmission Tv% 15%
- Water repellent (in case of insects need wiping off)
- Fabric sample ready to send out.

Alternative Fabric Choices for Athena
See fabric portfolio in this article Only the Toughest Fabrics Earn a Place in Athena Electric Roof Blind Systems – WindowTreat
Costs
Based on your roof lantern size, your chosen system and your preferred fabric, your costs are
- Athena (mains powered) £3,050 inclusive of VAT and remote control handset.
- Athena Battery Solar Panel Powered Optional Upgrade £750 inclusive of VAT
- Manufacturing Survey £ 650 inclusive of VAT
- Installation Labour team per day £1250 (allow one day)
- Somfy Tahoma Hub / App £ 180 (Not sure if necessary)
- Sun Sensor £120 (Not sure if necessary)
The cost for Athena from £ 4950 inclusive of VAT (not allowing for marketing scheme discount)
Marketing Scheme Discount
- £300
You can reduce the cost of your electric skylight shading by taking part in our marketing scheme. They are optional but if you take part, you receive a meaningful discount while helping other homeowners make informed decisions about improving comfort in their own homes.
We lower a small amount of margin on these high‑performance systems in return for real photos, videos and genuine homeowner feedback that helps future customers understand how the solutions perform in everyday use.
The process is simple. You send a set of photos and videos of your installation via WeTransfer followed by a 30‑minute scheduled video conversation with Steve, our General Manager.
We record a short section of your feedback so future homeowners can hear directly from someone who has already improved their home comfort. Steve says this is the favourite part of his job. He loves discussing your finished project and hearing how much more comfortable your home feels. Your experience gives future homeowners clarity and confidence when researching similar challenges.
Alternative Solutions
Honeycomb SKY battery solar powered with blackout cellular fabric
- £ 2950 inclusive of VAT and installation.

Solar control window films can be effective especially if there is no self-cleaning coating on exterior glazing
- £ 850 to £1450 inclusive of VAT installed
- Best Solar Control Films for Modern Glazing: 3M Prestige Exterior Compared – WindowTreat
- If your lantern glass has an exterior ‘self-cleaning coating’ then 3M All Seasons is the recommended choice Why 3M All Seasons 35 succeeds where other internal solar films fail – WindowTreat
Next Steps
You now have a clear understanding of the right system, the right fabric and the investment costs required to keep your dream alive. The next step is yours.
You are welcome to join me on a TEAMS video call. I can take you through this solution in more detail, answer your questions, address any concerns and potentially look at alternative options if need be.
Available times are shown in my diary at the end of this article.
Supporting Links
How much do electric roof lantern blinds actually cost? (No hidden surprises) – WindowTreat
Helen | Athena Electric Roof Lantern Blind | Customer Testimonials | WindowTreat
Best Solar Control Films for Modern Glazing: 3M Prestige Exterior Compared – WindowTreat