Why it matters
What Accidental Landlord means for a landlord
The law makes no allowance for not meaning to become a landlord: gas safety, EICR, EPC, deposit protection, Right to Rent and the Renters’ Rights Act all apply from day one. Two traps catch accidental landlords in particular, letting on a residential mortgage without "consent to let", and losing part of their Private Residence Relief so that Capital Gains Tax bites when they eventually sell a former home. Getting the setup right early is far cheaper than fixing a missed certificate or an unprotected deposit later.
Worked example
How it plays out
Maria inherits her late father’s house and decides to let it rather than sell. She assumes an informal arrangement is low-risk, but the law treats her exactly like a professional landlord: a gas safety certificate, EICR, EPC, deposit protection within 30 days and Right to Rent checks are all required from day one. She also lets on her father’s residential mortgage without "consent to let", breaching its terms, and later finds that because the house was never her own main home, Private Residence Relief will not shelter the gain from Capital Gains Tax when she sells. Setting it up correctly at the start would have avoided all three problems.
Common mistakes
Where landlords go wrong
- 01Treating an informal or inherited let as exempt from compliance, it is not.
- 02Letting on a residential mortgage without the lender’s consent to let.
- 03Assuming no CGT on a former home, Private Residence Relief may only partly apply.
What to do
A short checklist
- Put the day-one compliance pack in place: gas, EICR, EPC, deposit protection, Right to Rent.
- Get written consent to let (or a buy-to-let mortgage) before the tenant moves in.
- Take tax advice on CGT and Private Residence Relief before letting a former home.
Sources
Checked against these sources on 16 September 2026. A guide to the rules in England, not legal advice: for a dispute or a possession claim, speak to a solicitor.
