My suggestion

HEADLINE CHANGE SUGGESTION:
Income Tax:
Personal Allowance £0 to £15,000 at 0% [now 0% up to £12,570]
Basic Rate £15,000 to £60,000 at 20% [now 20% from £12,571 to £50,270]
Higher Rate £60,000 to £100,000 at 40% [now 40% from £50,271 to £125,140]
Additional Rate £100,000 to £500,000 at 50% [now 45% over £125,140 ]
Extra Additional 1 Rate £500,000 to £1,000,000 at 60%
Extra Additional 2 Rate 2 Over £1,000,000 at 70%

National Insurance:
Personal Allowance £0 to £15,000 at 0% [now £0 up to £12,570]
Basics Rate £15,000 to £60,000 at 10% [now 13.25% then 12% between £12,571 to £50,270]
Higher Rate £60,000 to £100,000 at 20% [now 3.25% above £50,270]
etc. as per Income Tax...
Extend paying of N.I. to Pensioners in work.

Even better get rid of separate National Insurance & merge with Income Tax as that's what it's become, it will save a huge amount of administration so saving us Tax!

Capital Gains Tax:
Raise from £3,000 PA to £5,000 PA
How is there a profit on Houses or Bank Accounts (see below) when inflation is not taken into account?

Inheritance Tax:
Obviously wont be Scraped as Tories promised, but raise the current very low levels to £2.5M at 20%, £2.5M to £5M at 30% & above £5M at 40%
[Currently it only affects those around £500k single & £1m couple who haven't accountant squirrelled away their properties into Trust Funds etc. (the very rich).]

Winter Fuel Allowance: Give back to all at Pension Age, unless unwanted in easy Pension website link tick box.

CO2 Capture: Scrap GBEnergy & all unnecessary "Carbon" behemoth scheme(s).

Climate Assistant Abroad: Scrap this unnecessary wastage outside UK

NHS funding: Get rid of too many middle managers, scrap degrees for all nurses as unnecessary except for clinical expertise areas.

National Grid: Re-Build 4 Coal Fired Power stations & re-open Steel making facilities.
Invest in Fracking research for UK Viability, build 5 more Nuclear Fission plants.
Scrap Wind & Solar expansion 

Bank Interest: Take off inflation before true gain is taxed; the £1,000 (£20k @ 5%) & £500 is unfair.

Aims: Reduce National debt by scrapping any Foreign or Climate Aid for any country outside UK.

In Grok / X: https://x.com/i/grok?conversation=1928031567005336001

Apparently UK has a poor Pension payment c.f. other 1st world nations; 

I've paid in over the amount required so my contributions won't add to what I draw. 

The years of contributions need increasing to 40 or even 45 years as increased Pension Age has affected us all, this in my view is fairer to those like me who've already put in 45+years; that saving could then fund the triple lock.

If the country had the funds then OAP could be untaxed, but keep tax on personal pensions.

[You do not pay it on the first £12,571 you earn a year. It is then charged at 12% on earnings up to £50,271, and 2% on any money made above that.]

UK has a good NHS, but it gets slated all the time, National Insurance (NI) was meant to support it but it's just really another Tax.

We pay 20% from £12.75k through £50.27k, then 40% above upto £150k (IIRC) but NI is also around 23%; it's too complex & I've suggested various simplifications