Heat Loss Report & Radiator Quote
18th February 2026
Ref: M-FEB2026
Meryem
24 Listowel Road, Birmingham B14 6HJ
Property
Semi-Detached
Walls
Solid Brick
Heating
Gas Combi
Flow Temp
70/50°C (ΔT50)
Heat Loss Summary
Calculated per BS EN 12831 with 15% safety margin. Semi-detached: 3 external walls (front, back, one side), solid brick U=2.1, double glazing U=1.4.
Room
Floor
Area
Target
Heat Loss
BTU/h
Main Living Room
Ground
41.8 m²
21°C
4,382W
14,949
Downstairs Living Room
Ground
14.6 m²
21°C
1,875W
6,396
Ali's Office
Ground
11.8 m²
18°C
1,083W
3,694
Kitchen
Ground
12.9 m²
18°C
1,707W
5,825
Bedroom 1 (front)
First
11.0 m²
18°C
1,116W
3,806
Bedroom 2 (back)
First
11.0 m²
18°C
1,197W
4,083
Bedroom 3 (L-shaped)
First
16.3 m²
18°C
967W
3,299
Bathroom
First
5.0 m²
22°C
468W
1,596
Attic (Section 1)
Second
18.2 m²
18°C
564W
1,924
Attic (Section 2)
Second
8.8 m²
18°C
274W
935
TOTAL
151.4 m²
13,632W
46,504
Main Living Room — Select Radiator Pair
4,382W min
14,949 BTU/hr required
Ground floor, open-plan 8.0 × 5.87m (41.8 m²)
This room is large and needs 2 radiators for even heat distribution. All options below are for a pair.
Downstairs Living Room — Select Radiator
1,875W min
6,396 BTU/hr required
Ground floor, back 3.28 × 4.96m
Double panel needed. Large windows (3.7 m²) increase heat loss here.
Ali's Office — Select Radiator
1,083W min
3,694 BTU/hr required
Ground floor, back 2.72 × 4.81m
Kitchen — Select Radiator
1,707W min
5,825 BTU/hr required
Ground floor, rear 2.70 × 6.51m (L-shaped)
L-shaped room — position radiator where it reaches both sections for best heat spread.
Bedroom 1 (Front) — Select Radiator
1,116W min
3,806 BTU/hr required
First floor, corner room 3.32 × 3.71m
Corner bedroom with 2 external walls. Heated attic above — no roof loss.
Bedroom 2 (Back) — Select Radiator
1,197W min
4,083 BTU/hr required
First floor, corner room 3.17 × 3.90m
Corner bedroom with 2 external walls. Heated attic above — no roof loss.
Bedroom 3 (L-Shaped) — Select Radiator
967W min
3,299 BTU/hr required
First floor 2.62 × 6.80m (L-shaped, 16.3 m²)
Bathroom — Select Towel Rail
468W min
1,596 BTU/hr required
First floor 2.11 × 2.83m
Central heating chrome towel rail — keeps towels warm and heats the room.
Attic — Convector Radiator Requirements
Heated attic with sloped ceiling (0.75–1.75m) and exposed gable wall (~5 m²). Two sections need separate convector radiators — customer sourcing from Screwfix.
Note: Attic convector radiators to be purchased separately from Screwfix. Not included in quote total below.
Radiator Valves
TRV Angled Valves — For 8 Room Radiators Recommended
TRV Angled Valve with Lockshield
Thermostatic radiator valve — controls room temperature automatically
8 pairs needed (1 per radiator, 2 for main living room) • Angled for wall pipes Finish: White or Chrome — same price
8 × £14.99 = £119.92
Manual Valve — For Bathroom Towel Rail Recommended
Chrome Angled Valve Pair
Manual valve for towel rail — keeps towels warm without thermostat cutoff
1 pair needed • Chrome to match towel rail
£14.99
Quote Summary
Main Living Room2× Flatty Double 600×1190mm£487.50
Downstairs LivingFlatty Double 600×1190mm£243.75
Ali's OfficeFlatty Double 600×980mm£210.60
KitchenFlatty Double 600×1190mm£243.75
Bedroom 1 (Front)Flatty Double 600×980mm£210.60
Bedroom 2 (Back)Flatty Double 600×980mm£210.60
Bedroom 3Flatty Double 600×980mm£210.60
BathroomReina Capo Chrome 1200×600mm£110.00
TRV Valves8 pairs × £14.99£119.92
Towel Rail Valve1 pair Chrome Angled£14.99
Products Total£2,062.31
Total (inc. VAT)£2,062.31
Free UK delivery on orders over £100. Prices include VAT.
Installation by your own plumber/installer — we can recommend local fitters if needed.
White and Anthracite finishes available at the same price — confirm your preference when ordering.
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