Heat Loss Assumptions
Outdoor design temp: −3°C (Coventry)
Solid brick walls (U = 2.1 W/m²K, uninsulated)
Double glazed windows (U = 2.8 W/m²K)
Concrete ground floor (U = 0.70 W/m²K)
Ceiling above heated room = negligible loss
10% safety margin applied to all rooms
Room-by-Room Heat Loss & Radiator Options
1
Downstairs Living Room
Ground floor · Vertical radiator requested
Room Size
3.9 × 3.4 m
Floor Area
14.6 m²
Ceiling Height
2.40 m
Window Size
2.5 × 1.2 m
Window Faces
North / NW
Solid brick + concrete floor + large north-facing window. Wall loss jumps to 694W (was 149W with cavity insulation). Concrete floor adds 245W. Single panel radiators are no longer sufficient — double panel required.
Calculated minimum output required
5,318 BTU/hr
1,559 Watts at ΔT50 · Target: 21°C
Quoted at
5,500 BTU
~1,600W (rounded up)
Option A — Rondy
View Product →
Elegant Rondy Vertical
Double Panel · 1800 × 420 mm (H × W)
🌡 1,637W / 5,581 BTU @ ΔT50
Colour: White
£173.00
£192.21
Save 10%
Option B — Flatty
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Elegant Flatty Vertical
Double Panel · 1800 × 490 mm (H × W)
🌡 1,825W / 6,223 BTU @ ΔT50
Colour: White or Anthracite
£219.38
£243.75
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2
Downstairs Kitchen
Ground floor · Vertical radiator requested
Room Size
4.7 × 2.9 m
Floor Area
14.9 m²
Ceiling Height
2.40 m
Window Size
1.2 × 1.0 m
Window Faces
South / SE
Solid brick + concrete floor. South-facing window is a bonus (solar gain in winter). Higher ventilation rate for kitchen (1.5 ACH). Double panel required.
Calculated minimum output required
5,462 BTU/hr
1,601 Watts at ΔT50 · Target: 21°C
Quoted at
5,500 BTU
~1,600W (rounded up)
Option A — Rondy
View Product →
Elegant Rondy Vertical
Double Panel · 1800 × 420 mm (H × W)
🌡 1,637W / 5,581 BTU @ ΔT50
Colour: White
£173.00
£192.21
Save 10%
Option B — Flatty
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Elegant Flatty Vertical
Double Panel · 1800 × 490 mm (H × W)
🌡 1,825W / 6,223 BTU @ ΔT50
Colour: White or Anthracite
£219.38
£243.75
Save 10%
3
Upstairs Bathroom
First floor · Ladder towel rail — 500mm or 600mm wide
Room Size
2.2 × 1.9 m
Floor Area
4.1 m²
Ceiling Height
2.30 m
Window Size
1.2 × 0.7 m
Window Faces
North / NW
Calculated minimum output required
2,835 BTU/hr
831 Watts at ΔT50 · Target: 22°C incl. moisture correction
Quoted at
3,000 BTU
~880W (rounded up)
Option A — Maximum Output
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Flat White Ladder Towel Rail
1800 × 750 mm (H × W)
🌡 808W / 2,757 BTU @ ΔT50 (confirmed)
Colour: White
£134.06
£148.95
Save 10%
Option B — Compact Chrome
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Flat Chrome Ladder Towel Rail
1200 × 500 mm (H × W) · SKU: FC-50-120
🌡 381W / 1,300 BTU @ ΔT50
Colour: Chrome
£107.96
£119.95
Save 10%
Manual valves for towel rails — keeps heat on for towels regardless of room temperature. TRV cuts off at setpoint, reducing towel-drying.
Valves & Accessories
TRV Angled Valves
Living Room + Kitchen — 2 pairs
£42.50 £50.00 (15% off)
Manual Angled Valves
Bathroom Towel Rail — 1 pair
£21.25 £25.00 (15% off)
Pipe Covers
All rooms — included as standard
FREE
Quote Summary
| Room | Product Selected | Size (H × W) | Output @ ΔT50 | Full Price |
|---|---|---|---|---|
| 1 Living Room | Rondy Double (Option A) | 1800 × 420 mm | 1,637W / 5,581 BTU | £192.21 |
| 2 Kitchen | Rondy Double (Option A) | 1800 × 420 mm | 1,637W / 5,581 BTU | £192.21 |
| 3 Bathroom | Flat White 1800×750 (Option A) | 1800 × 750 mm | 808W / 2,757 BTU | £148.95 |
| TRV Angled Valves — 2 pairs (Living Room + Kitchen) | £50.00 | |||
| Manual Angled Valves — 1 pair (Bathroom) | £25.00 | |||
| Subtotal (before discount) | £608.37 | |||
| Discount — 10% on radiators · 15% on valves | −£64.56 | |||
| Subtotal after discount | £543.81 | |||
| Pipe Covers + Delivery | FREE | |||
| Day Labour — Installation (see scope below) | £350.00 | |||
| TOTAL · Radiators + Valves + Delivery + Labour | £893.81 | |||
Full prices shown above. Discount applied: 10% on radiators, 15% on valves. Delivery included. Valid 14 days. ΔT50 = 70°C flow / 50°C return / 20°C room (standard gas combi). Confirm finish — White or Anthracite — when ordering Flatty.
Labour & Installation
£350.00 day rate (labour only)
⚠ Not included in this price:
Copper pipes and all related plumbing parts/fittings required for the installation.
Scope of work
- Day work for labour
- Draining the CH system
- Installing new radiators (as quoted)
- Running CH pipes from upper floor
- Filling CH system with inhibitor / protection liquid
- Bleeding the radiators and double-checking the system
✓ Quote Completeness Check
3 Rooms Surveyed
3 Radiators Quoted
3 Valve Sets Included
✅
Downstairs Living Room
Rondy Double 1800×420 · 5,581 BTU
✅
Downstairs Kitchen
Rondy Double 1800×420 · 5,581 BTU
✅
Upstairs Bathroom
Flat White 1800×750 · 2,757 BTU
Up to 15% Off
Local Customer Exclusive — Coventry & Midlands
As a local customer, you can unlock an additional discount when you agree to support us with all three of the following:
- Customer story — a few photos of your finished installation (great for others choosing their radiators)
- Google review — honest feedback, helps local customers find us
- Social media post — tag Elegant Radiators on Facebook or Instagram
Speak to Ibrahim when ordering — discount applied at checkout on confirmation. Valid for customers in Coventry, Rugby, and surrounding Midlands area.