Conservatory cost UK 2026 — full price guide
UK conservatory prices typically range from £8,000 for a small lean-to up to £40,000+ for a full orangery with solid roof. Below: typical guide ranges by type and size, what drives the cost, and how we estimated these.
Conservatory cost guide ranges
| Type | Small (3x3m) | Medium (4x4m) | Large (5x4m+) |
|---|---|---|---|
| Lean-to UPVC | £8,000–£12,000 | £12,000–£16,000 | £16,000–£22,000 |
| Victorian / Edwardian UPVC | £11,000–£16,000 | £15,000–£22,000 | £20,000–£28,000 |
| P-shape / T-shape | £14,000–£20,000 | £18,000–£26,000 | £24,000–£35,000 |
| Orangery (solid roof + lantern) | £18,000–£25,000 | £22,000–£32,000 | £28,000–£45,000 |
| Aluminium frame upgrade | +15–25% on UPVC equivalent | ||
What's included in these ranges
- Concrete or bonded base + dwarf walls
- UPVC or aluminium frames with double glazing
- Polycarbonate, glass or solid roof (depending on type)
- Standard French or sliding doors
- Trickle vents, weatherboard, sealing
- Standard installation labour (typically 5–10 days)
What's NOT included
- Heating (electric radiator, underfloor or extending central heating into the conservatory)
- Electrical work (sockets, lighting, network points) — usually £400–£1,500
- Flooring (tile, LVT or engineered wood) — usually £700–£2,500
- Removing existing rear wall to create open-plan living — significant additional cost
- Building Regulations Part L compliance if it stays as habitable room year-round
What drives conservatory cost
Roof type
Polycarbonate is cheapest. Glass roof adds 15–25%. Solid roof (tiled or panel) adds 25–45% but is the difference between "summer room" and "year-round habitable room".
Glazing
Standard double glazing is included. Triple glazing adds 8–15%. Solar control glass (reduces overheating in summer) adds 5–10%. Self-cleaning glass adds 5–8%.
Frame material
UPVC is cheapest. Aluminium adds 15–25% and gives you slimmer profiles + a more modern look. Hardwood timber adds 30–50% and is rare except in heritage settings.
Base / foundations
If you have a level patio you can build off, base cost is minimal. If you need to dig footings, lay concrete and tank for damp, base alone is £1,500–£3,500 depending on size.
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How we estimated these ranges
This is a guide only. The ranges below are intended for early budgeting and trade benchmarking. They are not a substitute for a site visit or an itemised quote from a qualified tradesperson. Always get a site-specific quote before agreeing work.
What's included in these ranges: typical labour costs, common materials at standard specification, and routine preparation or installation work for a standard project of this type.
What's excluded: unusual access (multi-storey, restricted parking), unforeseen structural issues, specialist design or architect fees, planning and building control application fees, premium or high-end finishes, emergency or out-of-hours work, and regional extremes.
Regional note: London, the South East and remote rural areas can vary significantly from the UK averages shown. London labour rates in particular can run 30–50% higher than national averages on the same scope.
Sources and checks used: publicly available UK trade supplier pricing (2025–2026), common day-rate and labour-duration assumptions used in trade quoting, internal example quote structures from TailoredQuote platform data, and where relevant cross-referenced regional contractor surveys and BCIS-style construction cost data.
Last reviewed: May 2026 by TailoredQuote. Prices in this guide will be reviewed and updated periodically.
Reduce uncertainty further by getting at least three quotes — different installers will price the same job £4,000+ apart depending on their backlog and supplier relationships.
Frequently asked questions
£8,000–£35,000+ depending on size, type, and roof.
Typically 30–50% cheaper than a brick extension of the same footprint.
Most fall within permitted development. Check before starting.
Lean-to UPVC, £8,000+ for a small one.
Related cost guides
Last reviewed: May 2026
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