I am registered disabled with significant disabilities, can a bailiff enter my home?

Yes

If you leave a door unlocked, the bailiff may enter by turning the handle.^[1]

Bailiffs may not take control of goods of the debtor where the debtor is a vulnerable person and is the only person present.^[2]

Vulnerable debtors are not liable for any enforcement stage fees and disbursements unless the bailiff given the debtor an adequate opportunity to get assistance and advice in relation to the exercise of the enforcement power before taking control of the debtors goods.^[3][4][5]

^{[1] Paragraph 14(6) of Schedule 12 of the Tribunals Courts and Enforcement Act 2007
[2] Regulation 10(1)(b) of the The Taking Control of Goods Regulations 2013
[3] Regulation 12 of the Taking Control of Goods (Fees) Regulations 2014
[4] See Applying for a detailed assessment of bailiffs fees and charges.
[5] See Bailiffs and Vulnerable people.}