Updated 25 September 2026
Chimney rebuild cost UK 2026
The going rate for chimney rebuild in 2026 is £1,500–£4,000 (supply & fit, ex scaffold). Below: a calculator, what the job involves, materials at three price levels, and the prep that changes the price.
Market band£1,500–£4,000
Worked example, 1 stack£2,966
Time on site2.5 days
Chimney rebuild calculator
Price a real job freeUses your rates, your speed and your receipts.
Market band source: Trade2Base.
What the job involves
| Stage | Task | Typical time |
|---|---|---|
| down | Take stack down safely | 16 h |
| up | Rebuild stack, pots and flaunching | 24 h |
Materials at three price levels
| Material | Budget | Trade choice | Premium |
|---|---|---|---|
| Bricks, mortar, pots and flaunching per stack | £250 Reuse bricks, new mortar — Keeps the original look | £400 Matched reclaimed bricks, new pots — Sound bricks throughout | £650 New matched bricks, lime mortar, new pots — Long life, heritage-friendly |
| Lead for one stack (code 4 apron and steps, code 5 back gutter) per stack | £200 Code 4 throughout, code 5 back gutter — Correct codes at the lowest weight | £260 Code 4/5 with lead clips and sealant — Clipped against wind lift | £320 Code 5 throughout — Heavier, longest life |
Trade prices ex VAT, estimates checked 2026-09-25. Log your receipts in Grafto and your own prices replace these.
What changes the price
- Stack size? small (1–2 pots) · large (3+ pots)
- Property built? 2000 or later · before 2000 · unknown
Prep to look for
| Condition | Check | Effect |
|---|---|---|
| Chimney defects | open joints, leaning stack, plants growing, cracked flaunching | Chimney needs work: offer repoint or rebuild options |
| Signs of bats | bat droppings in the loft, gaps under ridge or soffits | Signs of bats: stop — a survey and possibly a licence are needed before work |
| Possible asbestos cement | corrugated or flat fibre-cement sheets, old soffits | Possible asbestos cement: test before disturbing |
Questions
How much does chimney rebuild cost in the UK in 2026?
The researched market band is £1,500–£4,000 (supply & fit, ex scaffold), from Trade2Base. A worked example of 1 stack comes to about £2,699–£3,360 across budget, trade and premium materials.
How long does chimney rebuild take?
The worked example of 1 stack takes about 2.5 working days.
What changes the price of chimney rebuild?
Mainly size and access, plus any prep found on site: chimney defects, signs of bats, possible asbestos cement.