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Install new roofline.
Fascia, soffit, gutters and bargeboards — whole roofline package, fitted with scaffold.
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Costs, timelines, pitfalls and the right questions to ask before any roofer starts on roofline (Fascia, Soffit, Gutters).
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Top tips
Hiring a roofer, without the regret.
Four moves that separate a smooth job from a nightmare.
Capping over rotten timber
Cheap contractors fit uPVC over existing rotten timber — hides the problem. Always strip and inspect.
No ventilation
Modern fully-insulated lofts need continuous vent strip. Cheap installs skip this.
Rafter end rot
Last 100mm of rafter often rotten where it meets the fascia. Sister-rafter or replace.
Cheap brackets pulling out
Plastic gutter brackets fail under heavy rain load. Specify stainless or aluminium.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and a typical week-by-week schedule.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
uPVC fascia per metreWhite or coloured
£12–£30
uPVC soffit per metrePlain or vented
£10–£25
Hardwood fascia per metrePainted, heritage look
£20–£50
uPVC gutter and downpipe per metreHalf-round or square
£8–£20
Standard semi roofline (3 elevations)Including scaffold
£1.8k–£3.5k
Detached roofline (4 elevations)Larger perimeter
£2.5k–£5.5k
!
Quote spread is typically ± 18% — always get 3 quotes.
Timeline
Semi-detached full re-roof · week by week
Typical
4 phases · 3 wk
4 phases · 3 wk
W1
W2
W3
Scaffold erection
Strip + felt + battens
Tile + ridge + verge
Flashings + snags
!
Schedule slips on dependencies — pad each phase by 10–20% for real-world delays.
At a glance
Infographic · VideoThe Roofer briefing.
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Roofer explained
Fascia and soffit boards close the roof edge and back the guttering. Rotten timber is the #1 reason for sagging gutters. Expect to pay £1,500–£4,500 for full UK roofline replacement on a typical semi-detached house.
What Does the Work Involve?
Old gutters removed, fascia boards prised off, rafter ends inspected for rot (replaced or sistered if needed), roof felt edge dressed properly. New soffit board fitted with vent strips for roof ventilation. New fascia fixed mechanically through the rafter ends. New gutters and downpipes hung on new brackets. Trims and dressings finish the edge.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| uPVC fascia per metre | 12 | 30 | White or coloured |
| uPVC soffit per metre | 10 | 25 | Plain or vented |
| Hardwood fascia per metre | 20 | 50 | Painted, heritage look |
| uPVC gutter and downpipe per metre | 8 | 20 | Half-round or square |
| Standard semi roofline (3 elevations) | 1,800 | 3,500 | Including scaffold |
| Detached roofline (4 elevations) | 2,500 | 5,500 | Larger perimeter |
| Rafter end repair per rafter | 50 | 200 | Sister-rafter splice |
| Scaffold hire | 500 | 1,500 | 5–7 days |
How Long Does It Take?
Semi-detached: 3–5 days. Detached: 5–8 days. Plus scaffolding (1 week erect/strike).
DIY or Professional?
Professional only. High access, structural inspection of rafter ends, and ventilation compliance all require experience.
Choosing the Right Tradesperson
NFRC member or specialist roofline contractor. Insist on continuous 10mm soffit vent for adequate roof ventilation. Get 10-year warranty in writing. Confirm scaffold cost is included.
UK Regulations
Roof ventilation must be maintained (Approved Document Part C and F). 10mm continuous vent at eaves minimum. Listed buildings may need timber rather than uPVC.
Common Problems
- Capping over rotten timber: Cheap contractors fit uPVC over existing rotten timber — hides the problem. Always strip and inspect.
- No ventilation: Modern fully-insulated lofts need continuous vent strip. Cheap installs skip this.
- Rafter end rot: Last 100mm of rafter often rotten where it meets the fascia. Sister-rafter or replace.
- Cheap brackets pulling out: Plastic gutter brackets fail under heavy rain load. Specify stainless or aluminium.
Frequently Asked Questions
uPVC or hardwood fascia?
uPVC: no maintenance, 20–25 year life, cheaper. Hardwood: heritage look, requires repaint every 5–7 years, longer life if maintained.
How do I know my fascia is rotten?
Soft spots when poked with a screwdriver. Sagging gutter at one point (bracket fixings failed in rot). Green algae on the front face. Peeling paint.
Should I replace gutters at the same time?
Yes — almost always. Saves duplicating access cost (scaffold). New gutters depend on sound fascia for fixing.
Are coloured uPVC fascias UV-stable?
Modern coloured uPVC (anthracite, caramel) is more UV-stable than white. Slightly more expensive but worth it for fade resistance.
Will I need a building inspector?
Not normally — roofline replacement isn't notifiable. But if part of a wider roof upgrade, may be required.
Can I just cap over the old wood?
Only if it's sound and dry. Most reputable roofers refuse to cap over rotten timber on principle — it just hides the problem.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
NEWAI Trade Assistant
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