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Relocate your boiler.
Kitchen to airing cupboard or garage — gas, flue, condensate and electrics re-routed and recommissioned.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
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Flue path obstructed
— joists, beams, electrical block.
Condensate routing
— needs gravity fall to external waste.
Gas supply inadequate
— older pipework needs upgrade.
Cost overruns
— discoveries during work.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
Short distance (same room)2-3m pipe
£200–£500
Medium distance (adjacent room)5-8m pipe + flue route
£500–£1k
Long distance (different floor)Major pipework
£800–£1.8k
Boiler itself + installStandard combi install
£2k–£4.5k
Total cost (boiler + relocate)Mid-range project
£2.5k–£6k
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Quote spread is typically ± 18% — always get 3 quotes.
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Moving a boiler from its current location to a different room (typically into the kitchen, garage, or utility) is a common upgrade — usually because the existing position is inconvenient, the airing cupboard is being reclaimed, or a new kitchen design demands repositioning. This guide covers what relocation costs in 2026 and the install detail.
Relocation is significantly more involved than a like-for-like swap because of new pipework, gas routing, flue, and condensate drain.
What Does the Work Involve?
- Survey new location for gas, flue route, condensate drain.
- Route new gas pipework from existing supply.
- Route new condensate drain to external waste.
- Plan flue route — must comply with regs (distance from windows, openings).
- Remove old boiler and make good.
- Install new boiler in new location.
- Pressure test and commission.
Typical Costs (Plus Boiler & Install)
| Item | Low £ | High £ | Notes |
|---|---|---|---|
| Short distance (same room) | 200 | 500 | 2-3m pipe |
| Medium distance (adjacent room) | 500 | 1,000 | 5-8m pipe + flue route |
| Long distance (different floor) | 800 | 1,800 | Major pipework |
| Boiler itself + install | 2,000 | 4,500 | Standard combi install |
| Total cost (boiler + relocate) | 2,500 | 6,000 | Mid-range project |
How Long Does It Take?
- Short relocation: 2 days.
- Long relocation: 3-4 days.
UK Regulations
- Gas Safe Registration: required.
- Building Control: Notification through Gas Safe.
- Flue position: 300 mm from windows, 600 mm from public spaces.
Common Problems
- Flue path obstructed — joists, beams, electrical block.
- Condensate routing — needs gravity fall to external waste.
- Gas supply inadequate — older pipework needs upgrade.
- Cost overruns — discoveries during work.
Frequently Asked Questions
Is it worth relocating?
For kitchen redesigns yes. For minor convenience often not — relocation costs as much as a new boiler in some cases.
Can I relocate to a bedroom?
No — Gas Safe regs prohibit bedrooms (unless boiler is room-sealed with proper flue). Some bathrooms allowed.
Garage or utility room?
Both fine if frost-protected. Garages need to be attached to house, not detached.
Loft installation?
Yes — common modern choice for combi. Needs floor reinforcement and proper access.
External installation?
Yes — purpose-built external boilers (e.g., Worcester Bosch external). Premium cost, frees up internal space.
Will relocation void warranty?
No if done by Gas Safe + accredited installer. Standard manufacturer warranty applies.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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