Capping (over-cladding)
A uPVC cover board is fixed over the existing timber fascia. Saves 20–30% and is faster.
Only suitable if the underlying timber is sound and dry. Trapping damp timber behind plastic accelerates rot and voids most guarantees.
Cost Guide · Updated July 2026
How Much Does a Roofline & Fascia Replacement Cost in 2026? (UK)
A full roofline replacement — fascias, soffits, bargeboards and guttering — costs £1,500–£2,800 for a terraced house, £1,800–£4,000 for a 3-bed semi and £3,500–£7,500 for a detached home in 2026. Supplied-and-fitted uPVC fascia + soffit runs £45–£90 per linear metre, plus £500–£1,200 for scaffolding. Here is the real 2026 cost ladder by property type, component and material, with the difference between capping-over and full replacement and a worked semi-detached example.
Terraced / semi / detached pricing
Capping vs full replacement
uPVC vs timber vs composite
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⚡ Quick Answer
How much is a UK roofline & fascia replacement in 2026?
Budget £1,500–£2,800 for a terrace, £1,800–£4,000 for a semi and £3,500–£7,500 for a detached for a complete replacement of fascias, soffits and guttering in white uPVC. Per linear metre the fitted rate is £45–£90; woodgrain and anthracite foil-wrapped boards add 15–25%.
The biggest single cost after the boards themselves is access: scaffolding or a powered access tower adds £500–£1,200 on a two-storey home. Capping over sound timber saves 20–30% but is a false economy if the timber is rotten.
Roofline Cost by Property Type (2026)
Full replacement of fascias, soffits, bargeboards and guttering in white uPVC, including scaffolding and waste removal.
| Property Type | Typical Run (linear m) | Full Replacement Cost | Timeframe |
|---|---|---|---|
| Mid-terrace (2-bed) | 18–28m | £1,500–£2,800 | 1–2 days |
| 3-bed semi-detached | 30–45m | £1,800–£4,000 | 2–3 days |
| 3/4-bed detached | 45–70m | £3,500–£7,500 | 3–4 days |
| Bungalow | 35–55m | £1,600–£3,600 | 1–2 days |
| Large detached / complex roof | 70m+ | £7,000–£12,000+ | 4–6 days |
Figures include VAT at 20%. Bungalows are cheaper per metre because most work is reachable from a tower rather than full scaffold.
Cost by Component & Material
Supplied-and-fitted rates per linear metre, 2026 UK averages.
| Component | uPVC (white) | uPVC (woodgrain/anthracite) | Timber |
|---|---|---|---|
| Fascia board | £25–£45/m | £32–£55/m | £40–£70/m |
| Soffit board | £20–£40/m | £26–£48/m | £35–£60/m |
| Bargeboard | £28–£50/m | £35–£60/m | £45–£75/m |
| Guttering + downpipe | £12–£25/m | £18–£32/m | Cast iron £45–£90/m |
Timber needs repainting every 4–6 years; uPVC is maintenance-free for 25+ years, which is why 90% of 2026 replacements are uPVC.
Capping Over vs Full Replacement
Full replacement (recommended)
Old timber is stripped out and replaced with new uPVC boards on fresh fixings.
Lets the installer inspect rafter feet and felt, and carries a full 10–25 year guarantee. The only safe option on homes over 30 years old.
Worked Example: 1960s Semi, Leeds LS8
- 38 linear m fascia + soffit (white uPVC): £1,950
- Bargeboards to two gable ends: £420
- New half-round guttering + 3 downpipes: £560
- Scaffold hire (3 days, two elevations): £780
- Strip-out, felt check & waste removal: £340
- Subtotal: £4,050 → negotiated £3,750 all-in
Related 2026 Guides
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Roofline & Fascia FAQ
How much does it cost to replace fascias and soffits on a semi?+
Budget £1,800–£4,000 for a full replacement on a typical 3-bed semi with 30–45 linear metres of roofline, including new guttering, scaffolding and waste removal. White uPVC sits at the lower end; anthracite or woodgrain foil-wrapped boards add 15–25%.
Is capping over old fascias a good idea?+
Only if the existing timber is completely sound and dry. Capping saves 20–30% but seals plastic over wood — if the timber is already rotting, you trap moisture and accelerate decay. On homes over 30 years old, full replacement is almost always the right call.
Do I need planning permission to replace my roofline?+
No. Like-for-like fascia, soffit and guttering replacement is repair and maintenance, which is permitted development. Listed buildings and some conservation areas need consent if you change the material or appearance — check with your local authority first.
How long does a roofline replacement take?+
1–2 days for a terrace or bungalow, 2–3 days for a semi and 3–4 days for a detached home. Complex roofs with multiple gables, dormers or cast-iron gutter removal add a day or two.
Should I add roof ventilation at the same time?+
Yes — it is far cheaper to fit over-fascia or soffit vents while the scaffold is up. Adequate ventilation prevents loft condensation and is required under Building Regulations Part F when you replace the soffit line. Expect £4–£8 per metre extra.
Reviewed by the BestBuilders editorial team on 24 July 2026 · Next scheduled review: October 2026 · See our editorial standards.
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