Estimated 990-Year Lease Extension Premium Cost Matrix
The table below estimates the statutory premium payable to the freeholder under the 2026 reformed formula across different property price brackets (assuming a standard ground rent of £150 per annum):
| Remaining Lease Length | £200,000 Flat | £350,000 Flat | £500,000 Flat | £750,000 Flat |
|---|---|---|---|---|
| 95+ Years Remaining | £2,500 – £4,000 | £4,000 – £6,500 | £5,500 – £8,500 | £8,000 – £12,000 |
| 85 to 90 Years | £3,500 – £5,500 | £5,500 – £8,500 | £7,500 – £12,000 | £11,000 – £17,000 |
| 80 to 84 Years | £4,500 – £7,000 | £7,500 – £11,500 | £10,500 – £16,000 | £15,000 – £22,000 |
| 75 to 79 Years (New 2026 Rules) | £6,500 – £10,000 | £11,000 – £16,500 | £15,000 – £23,000 | £22,000 – £34,000 |
| 65 to 74 Years (New 2026 Rules) | £9,500 – £15,000 | £16,000 – £24,000 | £22,000 – £33,000 | £32,000 – £48,000 |
| 50 to 64 Years (Severe Short Lease) | £16,000 – £26,000 | £26,000 – £42,000 | £38,000 – £58,000 | £55,000 – £85,000 |
Breakdown of Associated Professional Fees
In addition to the premium paid to the freeholder, flat owners must budget for their own independent professional advisors:
• Specialist Leasehold Valuation Surveyor: £600 to £1,200 + VAT (Conducts inspection, reviews lease terms, and calculates upper and lower negotiation brackets).
• Conveyancing Solicitor: £800 to £1,500 + VAT (Drafts and serves the Section 42 Notice, negotiates the lease deed, and registers the 990-year title at HM Land Registry).
• Land Registry Registration Fee: £40 to £140 (Standard statutory scale fee based on premium value).