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UK Gas Combi Boiler Replacement Cost Calculator
Combi boiler replacement budget.
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Replacement cost
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Combi boiler replacement budget.
UK Gas Combi Boiler Replacement Cost Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Total = boiler + labour + extras
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
UK Quick Guide
Typical values for reference.
| Boiler (GBP) | Installation labour (GBP) | Flue, filter, controls (GBP) | Replacement cost |
|---|---|---|---|
| 1200 | 1200 | 450 | £2,850.00 |
| 2000 | 1500 | 800 | £4,300.00 |
| 900 | 800 | 200 | £1,900.00 |
| 1500 | 1200 | 500 | £3,200.00 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
UK Gas Combi Calculator FAQ
Answers to common questions about this calculator.
It uses the formula shown with your inputs. Real conditions vary, so treat it as a guide.
Total = boiler + labour + extras
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.
Yes. Replace each input with your own figures and the result updates instantly.