This is an anonymised worked example of a real WindowTreat proposal, not a record of a completed installation.
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. You can also see the full range of our Blindspace concealed blinds.
The systems in this report: Blindspace concealed roof blinds and Athena electric roof blinds.
When you’re ready, you can book a TEAMS call with me and I’ll walk you through everything step by step.
1. Your Key Area
- Rear Kitchen Extension Roof Lantern
2. Your Key Priorities
- Priority 1: Managing echoes, reverberance and acoustics
- Priority 2: Avoiding dark black hole in the ceiling at night
2. Your Key Preferences
- Preference 1: At the design stage and to consider concealment
- Preference 2: No rippling of the fabric
- Preference 3: No visible cords
3. Your Roof Lantern Size
- Width: 1000mm
- Length: 2000mm
4. Recommended Blind System
Based on your preferences and the size of your lantern, the most suitable system is:
Athena Electric Roof Blind
This system works well for you because:
- 3 times more fabric tension than Constant Tension Systems delivering flatter fabrics Most Roof Lantern Blinds Sag. Here’s Why.
- No visible cords across the structural opening
- Size parameters of 3m x 3m or 2.5m x 4.5m
- Headbox 125mm wide x 105mm tall or 145mm wide x 125mm tall
- Side profiles 54mm
- Somfy Sonesse 40 RTS Motor 35 decibels (very quiet)
- Dimensionally Stable Roller Fabrics that deliver on performance
- White Hardware as standard. Custom RAL Classic powder coating options
5. Fabric Choice
Serge Ferrari Soltis Touch 1% or 3% Soltis Touch: the woven interior screen delivering the most comfort
- A woven interior fabric offering the best in aesthetics and performance
- Offering echo management up to 45%
- Fabric samples ready to send out.
6. Concealment Option
This article takes you through a deeper dive into Designing Roof Lanterns & Skylights for Blindspace. The Complete Guide to Concealing Athena Electric Roof Blinds. – WindowTreat
Blindspace Concealment
Shelf Approach
Control Options
- Somfy Tahoma Hub & Smart Phone App
- Automated sun sensors
- Alexa voice control
- Remote Control Handsets
This combinations offers you the best of touch & voice control and the option of sun automation
Costs
Prices as quoted in June 2026; current pricing may differ.
Based on your roof lantern size, your chosen system and your preferred fabric, your costs are subject to survey
- Blindspace Concealment Boxes Supplied. 3-sided £2,,250 or 4-sided £2,600 inclusive of VAT and delivery
- Athena electric roof blind £3,350 inclusive of VAT & touch control
- Manufacturing Survey £ 650 inclusive of VAT
- Installation Labour team per day £1250 (allow one day)
- Somfy Tahoma Hub / App £ Free Gift From WindowTreat with dusk to dawn timer sceneario
- Sun Sensor £120 inclusie of VAT (may not be necessary)
Total cost from £5,250 inclusive of VAT, manufacturing, survey, installation and touch control remote (excludes Blindspace and sensor)
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.
Next Steps
You now have a clear understanding of the right systems and investement costs. 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.
Explore this topic
Compare options and costs
Completed customer projects
- Success Story Blindspace Dom
- Success Story: George’s Partially Concealed 2m x 4m Athena Electric Roof Blind
Plan the next step
Your next step
See the Blindspace concealed blinds we fit and your options
Compare these figures with why concealed electric blinds cost more
