Electrical & Security · UK Guide 2026
Bathroom Extractor Fan Costs UK: Budget and Quote Guide
JASOTO · Updated October 3, 2026 · 335 words
AI-generated illustration; it does not show a customer project or a tested product.
Replacing a fan on an existing suitable duct is different from installing a new duct route. Ask the installer to assess the room, discharge point, controls and access before selecting equipment.
Key checks for bathroom extractor fan
- Confirm the duct terminates outside and the route is included.
- Discuss timer, humidistat and switching preferences.
- Ask what electrical testing and finishing are included.
What changes the bathroom extractor fan scope?
Give the provider details about fan type, duct route, wall or ceiling access, electrics, controls. Ask which of these apply to your requirement and whether they are included in the proposed service.
- Fan type
- Duct route
- Wall or ceiling access
- Electrics
- Controls
An illustrative quote comparison
One quote replaces a fan on an existing suitable duct; another includes a new route through the building.
Have the route and discharge assessed. Compare equipment, controls, electrical work and finishing alongside the fan itself.
Build your bathroom extractor fan budget
Use the same scope for each quotation. Enter tax-inclusive figures consistently, and include separately priced work only once.
The calculator below uses the figures you enter from a quotation. It does not estimate market prices. Confirm what the quoted amount includes, whether VAT applies and which costs remain provisional.
- Fan
- Ducting
- Grille
- Electrical connection
- Testing
- Making good
Calculate your quoted budget
Use the same scope for each quotation. Enter tax-inclusive figures consistently, and include separately priced work only once.
Enter figures from your quote. Use amounts including VAT consistently. Leave extras blank if none apply. These fields stay in your browser.
Calculated total
Enter valid quoted figures
This is arithmetic using your figures, not a market estimate. Include separately charged work once and check provisional costs with the provider.
Before you book or buy
- Confirm the duct terminates outside and the route is included.
- Discuss timer, humidistat and switching preferences.
- Ask what electrical testing and finishing are included.
Frequently asked questions
What should I confirm before budgeting for bathroom extractor fan?
Replacing a fan on an existing suitable duct is different from installing a new duct route. Ask the installer to assess the room, discharge point, controls and access before selecting equipment. Confirm the duct terminates outside and the route is included.
Does the calculator show a typical UK price?
No. It adds up your quoted figures for the quantity you choose. Published provider examples, where supplied, are identified separately and are not a national average.
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