A tiled conservatory roof is a significant project, and the price depends on your conservatory’s size, shape, and the system you choose. The only manufacturer price published by the three systems compared here is SupaLite‘s: from £10,000 + VAT for a 10m2 roof, without new frames. In England a solid tiled roof also needs Building Regulations approval, so make sure that is written into your quote.
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We’ve compared the three biggest branded systems – SupaLite, Guardian, and Ultraframe Ultraroof – and broken down what drives the cost of a tiled roof conversion. Only SupaLite publishes a manufacturer price, so treat any other figure as indicative and get written quotes for your own roof.
- Budget from around £10,000 + VAT for a 10m2 roof - SupaLite’s published starting price covers the roof structure, tiles, insulation and internal plasterboard; a 4x4m Victorian roof is larger, so get a written quote
- Of the three brands compared here, only SupaLite publishes a price - Guardian and Ultraframe are quote-only, making direct comparison harder
- All major systems achieve a U-value of 0.15 W/m2K - that is 6 times more insulating than polycarbonate (1.0-1.5) and turns your conservatory into a usable room year-round
- Building Regulations approval is mandatory for solid roof conversions in England - a solid tiled roof is no longer a substantially glazed conservatory roof, and branded installers usually handle the application, so confirm it is in your quote
- A solid roof can make the room count as year-round living space - estate agents value solid-roof conservatories as genuine living space rather than a seasonal add-on, and Building Regs sign-off is what proves it
Tiled Conservatory Roof Costs by Size
Conservatory size is the single biggest cost factor. Larger conservatories cost more in total, although fixed costs like scaffolding, building control, and waste removal are spread across a bigger project.
| Conservatory Size | Roof Area (approx.) | What drives the price |
|---|---|---|
| Small lean-to (3x3m) | 9-10m2 | Simplest geometry and fewest tiles, but fixed costs such as scaffolding and building control are a bigger share of the bill |
| Medium Edwardian (4x3m) | 12-14m2 | More roof area and extra ridge detailing than a lean-to |
| Standard Victorian (4x4m) | 16-18m2 | Hipped roof means more tile cuts, ridge detailing and labour |
| Large P-shape (6x4m) | 24-28m2 | Extra valleys and complex geometry add labour, and the largest roof area means the largest total |
Check what your quote covers: roof structure, labour, insulation, internal plasterboard and building control. Optional extras are not included. LED downlights cost from £300, VELUX roof windows from £800, and internal redecoration from £300.
Victorian conservatories with hipped roofs usually cost more than lean-to or Edwardian styles. The angled sections need more tile cuts and ridge detailing. P-shaped and L-shaped designs are the most expensive due to extra valleys and complex geometry.
SupaLite vs Guardian vs Ultraframe: Price Comparison
Three brands dominate the UK tiled conservatory roof market. All achieve similar thermal performance. They differ in pricing transparency, warranty terms, and installer networks.
| Feature | SupaLite | Guardian | Ultraframe Ultraroof |
|---|---|---|---|
| Published Price | From £10,000 + VAT (10m2) | Quote only | Quote only |
| U-Value | 0.15 (0.12 enhanced) | 0.15 | 0.15 (0.12 option) |
| Install Time | 2-4 days (4x4m) | 2-3 days (3-5 depending on design) | 1-3 days (Ultraframe claims watertight in 6 hours) |
| Warranty | 10yr product guarantee | 10yr product + 10yr workmanship | Confirm with installer |
| Building Regs | Building Regulation approved (per SupaLite) | LABC and HBC approved (per Guardian) | MFA and Stroma pre-approved |
| Roof Window Option | Available | VELUX partnership (exclusive, per Guardian) | Available |
| Key USP | ExtraLight tiles, price transparency | VELUX integration, 10yr product + 10yr workmanship warranties | Widest span (4m, no tie bar) |
| Trustpilot | No verified score on file | 3.3/5 (21 reviews)* | Not quoted (mostly installer and trade reviews) |
*Guardian’s Trustpilot score reflects the manufacturer, not individual installers. Ultraframe’s profile is mostly reviews from installers and trade customers (training, technical support), so we don’t quote its score on homeowner pages.
For a deeper head-to-head comparison of SupaLite and Guardian specifically, including installer networks and build quality differences, see our dedicated SupaLite vs Guardian comparison.
Our take: SupaLite gets credit for publishing prices upfront. Ultraframe has the strongest Trustpilot profile of the three and quotes the fastest installation. Guardian’s VELUX partnership is useful if you want sky views from a solid roof. Get quotes from all three and compare total installed cost, not just the roof price.
What’s Included in a Tiled Roof Quote?
A tiled roof installation involves stripping the old roof, fitting a new frame, adding insulation and tiles, then finishing the interior. Knowing what should be included helps you compare quotes and avoid hidden extras.
A standard tiled roof quote should include all of the following:
| Item | Included? | Typical Cost if Separate |
|---|---|---|
| Roof structure (aluminium or timber frame) | Yes | N/A |
| Tiles (lightweight concrete or composite) | Yes | N/A |
| Insulation (to 0.15 W/m2K or better) | Yes | N/A |
| Internal plasterboard and skim | Yes (most brands) | £500-£1,200 |
| Building Regulations approval | Yes (branded installers usually handle it; confirm) | A separate application fee if not included |
| Waste removal (old roof) | Usually yes | £120-£300 |
| Scaffolding | Sometimes | £400-£800 |
| LED downlights | No (optional extra) | £300-£600 |
| Roof windows (VELUX or similar) | No (optional extra) | £800-£2,000 |
| Internal redecoration | No | £300-£800 |
Always ask whether plastering, scaffolding, and building control are included. If they are listed as extras rather than included in the headline price, they can add materially to the total.
Worked Example: 4x4m Victorian Conservatory
Here is how the cost of the most common project builds up: a 4x4m Victorian conservatory converting from polycarbonate to a tiled solid roof. SupaLite is the only one of the three brands to publish a price, so we use it as the baseline and show how it is priced rather than a single total.
| Cost Element | Amount |
|---|---|
| SupaLite roof system (approx. 16-18m2) | Priced by roof area: from £10,000 + VAT for 10m2, so a larger roof costs more |
| Installation labour (2-person team) | Included |
| Building Regulations (building control) | Required; confirm it is included |
| Internal plasterboard and skim | Included |
| Waste removal | Included |
| Scaffolding | £500 (example allowance) |
| LED downlights (6 spots) | £450 (example allowance) |
| 1 x VELUX roof window | £1,200 (example allowance) |
| Total | Roof price plus extras; ask for it ex. and inc. VAT |
SupaLite’s published price is plus VAT, so check whether each quote shows VAT. Most homeowners add at least downlights. The solid roof blocks the natural light your old polycarbonate or glass roof used to provide.
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Building Regulations for Tiled Conservatory Roofs
Replacing a glazed or polycarbonate conservatory roof with a solid tiled roof requires Building Regulations approval in England. This is non-negotiable. The Planning Portal says conservatories are normally exempt only while they stay separated from the house by external-quality walls, doors or windows, have independent heating, meet the glazing and electrical requirements, and are single storey and under 30 square metres. A solid roof changes the structural loading on the frame and foundations, and the room is no longer a substantially glazed conservatory, so you need building control approval, from your local authority or a registered approved inspector, to confirm the structure is safe. Scotland, Wales and Northern Ireland have separate systems, so check locally.
What Building Regulations cover: structural integrity (can the existing frame support the heavier roof?), thermal performance (U-value must meet current standards), fire safety, ventilation, and electrical work (if adding downlights).
How branded systems handle it: Guardian says its roof is approved by LABC and HBC and that your Certified Installer handles the approval; SupaLite describes its roof as Building Regulation approved; Ultraframe’s Ultraroof is pre-approved through MFA and Stroma. In each case, check who submits the application and that it is written into your quote. You receive a completion certificate once the work passes inspection.
What happens if you skip it: Without a completion certificate, you could face problems selling your home. Mortgage lenders check for certificates on structural work. Retrospective approval costs more and may need invasive inspections. Always insist on the certificate.
Planning permission is a separate question from Building Regulations. Replacing a conservatory roof is generally treated as permitted development as long as you are not changing the footprint, height, or position, but needing no planning permission does not remove the need for Building Regulations approval. Exceptions apply for listed buildings and conservation areas, so check with your local planning authority. For full pricing and alternatives, see our conservatory roof replacement cost guide.
Pros and Cons of a Tiled Conservatory Roof
A tiled roof is a significant investment compared to replacing like-for-like with polycarbonate or glass. It makes sense for homeowners who want year-round use, but it is not the right choice for everyone.
Want insulation without losing all natural light? A hybrid roof (solid panels with glazed sections) is quoted per project. See our conservatory roof replacement cost guide for details. For help finding installers, see our best conservatory companies guide.
Regional Cost Variations and Lead Times
Tiled conservatory roof prices vary by region, driven mainly by local labour rates and installer demand. London and the South East tend to cost more than other areas. Lead times also differ by region, driven by manufacturer freight distances and local installer demand.
- London & South East: Expect higher labour costs and variable lead times. See our best conservatory roof companies London guide for installer shortlist.
- Manchester & North West: Ask installers for current lead times. SupaLite manufactures in Preston, about 30 miles north of Manchester. See our Manchester installer guide.
- Glasgow & West Scotland: Ask installers for current lead times; Scotland uses building warrants rather than English Building Regulations. See our Glasgow installer guide.
- Cost drivers: Labour rates are the main driver of the regional variance. Material costs are similar nationally; installer overheads (parking, ULEZ, congestion) add to it.
For the full project schedule from enquiry to completed install, see our conservatory roof replacement timeline guide. For property value uplift, see our house value uplift guide.
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