Oliver specialises in commercial and residential property and agricultural law, and is recommended in Chambers and Partners, Legal 500 and Who’s Who Legal. He is “the go-to barrister for telecoms operators on the Electronic Communications Code” (Chambers UK Guide 2022), and regularly advises on, and litigates about, issues affecting electronic communications operators under the Electronic Communications Code. He has been in many of the valuation cases. 

He has appeared in a number of significant cases including Singh v Enal (Privy Council, undue influence and resulting trusts in relation to a land sale in Trinidad); Bannerman Town v Eleuthera (Privy Council, adverse possession in the Bahamas) onTower v Green (Court of Appeal, sharing and upgrading under Code); Sinclair Gardens Investments (Kensington) Limited v Ray (Court of Appeal; status of non-guidance Upper Tribunal decisions, Sportelli deferment rate); Taylor v Spencer (Court of Appeal; section 21 notices and omnibus clauses); numerous decisions in the Upper Tribunal on enfranchisement, RTM and telecoms issues. He was part of the Ashloch appeal team. 

Oliver regularly writes for various periodicals, and lectures to professional organisations and individual firms of solicitors. He is the co-author of five books, including Falcon Chambers: Electronic Communications Code Property Law and Practice, Adverse Possession (2nd ed), Residential and Commercial Service Charges (1st ed), and Fisher and Lightwood’s Law of Mortgage (14th ed). His fifth book, Fundamental Texts on European Private Law (2nd Ed) was handed to the publishers just before a certain referendum that may have had a negative impact on its sale figures.