
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 have the option to take part in our marketing scheme. In return for the £300 discount on your electric roof lantern blind, we ask for a video conversation with Steve, our General Manager, along with multiple photos or videos (sent via We Transfer) of your finished installation that we can use for marketing.
This helps future customers understand our solutions and gives Steve valuable insight into how we can continue to improve our service. Your feedback plays a real part in shaping the experience for the next homeowner.
Alternative Solutions
Honeycomb SKY battery solar powered with blackout cellular fabric – £ 2950 inclusive of VAT and installation.
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