no need for calculation, just give an advice on income tax planning

Faculty of Business and Law Personal Tax Assignment Brief 2022/23 - Appendices 1 to 3 My Income \& Savings for 2021/22 for Income tax computation Employment Income \& Benefits - Annual Salary 48,000 (employed for full year) with 7,086 PAYE deducted during the year. No bonus for 2021/22. - Company car - Skoda Superb - available all tax year - list price 22,500 (the company got a discount so only paid 21,000 ), registered on 6.4.20, petrol, CO2 emissions 117g/km. Fuel provided for both business and private mileage. - Free use of employer gym on-site. - Free work mobile phone provided (for work calls only). - Use of employer equipment-I borrowed some specialist music equipment from work and a colleague mentioned this might be taxable, so I've included the details here: borrowed on 1st December 2021 until 311t January 2022 for the party season. The equipment was worth 27,000 in total. - Private Medical Insurance worth 850 - this cost my employer 450. Rental Income - Gross rent on Haven cottage 1,250 per month - rented out to tenants from 1st September 2021. - Rental expenses (I think all of these can be claimed but please advise): Mortgage interest (paid in period 1t Sept 21 to 31st March 22) - 3,700 Water rates (paid in period 1st Sept 21 to 31stMarch^22 ) - 350 Redecorating 1,800 (repainting and wallpapering before renting property out) Renovations to exterior of property before renting property out 5,200 Savings Income \& Dividends - Bank Interest on savings accounts 2,400 - Dividends from shares 4,500 - ISA - dividends from stock \& shares 3,700 Charity payments Annual donation to our local Church via Gift Aid 2,500 Faculty of Business and Law Personal Tax Assignment Brief 2022/23 - Appendices 1 to 3 My Income \& Savings for 2021/22 for Income tax computation Employment Income \& Benefits - Annual Salary 48,000 (employed for full year) with 7,086 PAYE deducted during the year. No bonus for 2021/22. - Company car - Skoda Superb - available all tax year - list price 22,500 (the company got a discount so only paid 21,000 ), registered on 6.4.20, petrol, CO2 emissions 117g/km. Fuel provided for both business and private mileage. - Free use of employer gym on-site. - Free work mobile phone provided (for work calls only). - Use of employer equipment-I borrowed some specialist music equipment from work and a colleague mentioned this might be taxable, so I've included the details here: borrowed on 1st December 2021 until 311t January 2022 for the party season. The equipment was worth 27,000 in total. - Private Medical Insurance worth 850 - this cost my employer 450. Rental Income - Gross rent on Haven cottage 1,250 per month - rented out to tenants from 1st September 2021. - Rental expenses (I think all of these can be claimed but please advise): Mortgage interest (paid in period 1t Sept 21 to 31st March 22) - 3,700 Water rates (paid in period 1st Sept 21 to 31stMarch^22 ) - 350 Redecorating 1,800 (repainting and wallpapering before renting property out) Renovations to exterior of property before renting property out 5,200 Savings Income \& Dividends - Bank Interest on savings accounts 2,400 - Dividends from shares 4,500 - ISA - dividends from stock \& shares 3,700 Charity payments Annual donation to our local Church via Gift Aid 2,500