Capital Allowances for High-Tech Dental Equipment
Modern dentistry is capital-intensive: surgical chairs at £15-£25k, CAD/CAM systems at £80-£120k, CBCT at £100-£150k. The capital allowances regime determines how much of that returns through tax relief.
Modern dentistry has become substantially more capital-intensive. A new surgery fit-out costs £40,000-£80,000 per chair. CAD/CAM systems (CEREC, PlanScan, Trios) run £80,000-£120,000. Cone beam CT scanners are £100,000-£150,000+. Digital impression scanners, intraoral cameras, soft-tissue lasers, hard-tissue lasers, each running into tens of thousands. The capital allowances regime determines how much of that investment returns through tax relief, and the difference between an optimised claim and a generic accountant's default treatment can be tens of thousands of pounds per year.
This guide covers the major capital allowance areas for UK dental practices. Each section links to a detailed companion piece.
AIA and Full Expensing for dental equipment
Two main routes for first-year deduction on dental equipment:
- Annual Investment Allowance (AIA): 100% deduction up to £1,000,000 per year on qualifying plant and machinery. Available to companies and unincorporated practices.
- Full Expensing: 100% deduction with no upper limit on most main-rate plant and machinery. Limited companies only. New equipment only.
- Special rate pool 50% First Year Allowance: 50% on integral features and long-life assets.
- Annual writing-down for residual pool balances: 18% main rate, 6% special rate.
For most dental practices, AIA covers all annual capital expenditure (well below the £1m cap). For practices investing heavily in fit-out plus high-tech equipment in the same year, the AIA cap can be reached and the choice between AIA and Full Expensing matters.
Capital allowance treatment by equipment type
| Equipment | Pool | Typical cost | Notes |
|---|---|---|---|
| Dental chairs and units | Main rate (AIA/FE) | £15,000-£25,000 | 100% deduction in year 1 typical |
| CAD/CAM systems | Main rate (AIA/FE) | £80,000-£120,000 | Full first-year relief usual |
| CBCT scanners | Main rate (AIA/FE) | £100,000-£150,000 | High-value asset; typically AIA-eligible |
| Intraoral X-ray | Main rate (AIA/FE) | £3,000-£8,000 | Same |
| Digital impression scanners | Main rate (AIA/FE) | £25,000-£40,000 | Same |
| Soft tissue lasers | Main rate (AIA/FE) | £15,000-£35,000 | Same |
| Sterilisation autoclaves | Main rate (AIA/FE) | £3,000-£8,000 | Same |
| Decontamination suite fit-out | Mixed (integral features 50% FYA + general fit-out main pool) | Variable | Specialist apportionment review valuable |
| Building structure (the practice itself) | SBA (3% straight-line) | Variable | Where new construction |
| Reception furniture, computers | Main rate (AIA/FE) | Variable | Same |
Fit-out and integral features
A practice fit-out typically combines main-rate plant (chairs, equipment, IT, furniture) with integral features (electrical systems, lighting, ventilation, water supplies, lifts) and structural elements (walls, ceilings, partitions). Specialist capital allowances reviews on a £200,000 fit-out routinely identify £80,000-£120,000 of qualifying plant and machinery; an unspecialised review would categorise much of this as building (no allowance).
Lease vs buy: NPV comparison
For high-value dental equipment, lease vs buy decisions need NPV analysis. Buying with AIA produces 100% first-year relief but requires upfront capital. Operating leases produce ongoing rental deductions. Hire purchase combines features. The right comparison considers: cash impact, tax relief timing, equipment obsolescence, asset disposal proceeds, and the cost of capital. A specialist accountant's NPV model on a £100,000 piece of equipment typically identifies £5,000-£15,000 of value across the comparison.
Decontamination suite upgrades
CQC and HTM 01-05 compliance requirements drive periodic decontamination suite upgrades. The capital position:
- Autoclaves and washer-disinfectors: main-rate plant, AIA-eligible.
- Decontamination room fit-out: integral features (electrical, water supply) into special rate pool; general fit-out into main pool.
- Compliance-driven upgrades that simply meet new standards (rather than improve practice capacity) are still capital expenditure for tax, they don't become revenue expenses.
- Plan upgrades to coordinate with year-end for optimal tax timing.
Equipment investment or fit-out planned?
A dental-specialist accountant will model the capital allowances claim, including specialist fit-out review for integral features. Free initial assessment.
Get matched