H definitions

higher rate taxFor the current tax year, the higher rate of income tax is 40%.
hobbyIncome from a hobby is not taxable and related expenses are not allowable. There are criteria to differentiate between a business and a hobby. If in doubt, contact the Inland Revenue, accountant or Tax Adviser.
hold-over reliefIf you give an asset away for no monetary gain and a capital gain arises, in some circumstances you can elect for the gain to be held-over or deferred. The donee (the person you gave the asset to) inherits your original base cost of the asset. When the donee disposes of the asset or in certain cases when the donee leaves the UK, the donee's gain will include the gain held over on your gift, and the donee will be liable for any capital gains tax due. The donee must agree to your making the hold over election.
homeThe place where you normally reside.
home officeIf you mainly work from home, you may have set aside a room which you normally use as an office.
home to work travelTravel from your home to your place of work. This travel expense is not generally allowable for tax purposes unless you can show that your home is your business base, or your permanent workplace if you are an employee.