Sectional and roller garage doors differ in how they open and the space they need
Sectional garage doors are made of horizontal panels that slide up and back into the ceiling on tracks. Roller garage doors consist of a single curtain of slats that rolls up into a box mounted above or behind the lintel. The choice between them is primarily driven by available garage dimensions and whether you want to park close to the door.
Roller garage doors cost £800-£2,500 installed, making them cheaper than sectional doors at £1,200-£3,500. The main trade-off is parking depth: sectional doors let you park closer to the opening, while roller doors reduce usable space by 200-400 mm.
- Sectional doors need 150-200 mm headroom; roller doors need 80-150 mm.
- Roller doors cost £800-£2,500 installed, cheaper than sectional doors at £1,200-£3,500.
- Sectional doors let you park within centimetres of the opening; roller doors reduce depth by 200-400 mm.
- Electric automation adds £300-£600 to either door type (Rated People, 2026).
- Steel panels are cheapest; timber or composite adds £300-£800 to sectional doors.
- Sectional and roller garage doors differ in how they open and the space they need
- Sectional garage doors cost £1,200 to £3,500 installed, depending on size and material
- Roller garage doors cost £800 to £2,500 installed, making them the cheaper option on average
- Insulation and U-values affect running costs and comfort—sectional doors are usually better insulated
- Quick numbers cost, insulation, and opening space comparison
- Payback period depends on whether you heat the garage—here is the direct answer
- To qualify for manufacturer warranties and insurance approval, installers must be MCS or TrustMark registered
- Sectional doors offer better security and lifetime value, but roller doors are quicker to install
Sectional doors require headroom of 150 to 200 mm above the opening, plus 300 to 500 mm of depth into the garage for the tracks and counterbalance springs (Hörmann installation guide, 2026). Roller doors need less headroom, typically 80 to 150 mm, but the rolled-up curtain box sits behind the lintel, requiring 200 to 400 mm of depth into the garage (Garolla product specifications, 2026). If you park close to the door, a sectional door allows you to park within a few centimetres of the opening, whereas a roller door’s curtain box may reduce usable parking depth by 200 to 400 mm.
Sectional garage doors cost £1,200 to £3,500 installed, depending on size and material
The average installed cost for a standard single sectional door (2.1 m x 2.1 m) is £1,500 to £2,500. For a double door (4.8 m x 2.1 m), the cost rises to £2,500 to £3,500 (Checkatrade cost guide, 2026). These prices include steel or insulated panels, tracks, springs, and manual operation. Adding electric automation typically costs an extra £300 to £600 (Rated People pricing data, 2026).
The final cost varies with panel material, insulation thickness, and finish. Steel panels are the most common and cheapest. Timber or composite panels add £300 to £800 to the total. Colour-matched or bespoke sizes also increase the price.
Roller garage doors cost £800 to £2,500 installed, making them the cheaper option on average
The average installed cost for a standard single roller door (2.1 m x 2.1 m) is £900 to £1,800. For a double roller door (4.8 m x 2.1 m), the cost ranges from £1,500 to £2,500 (Checkatrade cost guide, 2026). These prices include aluminium or steel slats, a pre-installed motorised mechanism, and a built-in control box. Most roller doors are sold as automated as standard, so you do not pay extra for electric operation.
Roller doors are generally cheaper than sectional doors because they use fewer parts and take less time to install. A standard single roller door can be fitted in one day by a single installer, whereas a sectional door typically takes one to two days with two fitters.
Insulation and U-values affect running costs and comfort—sectional doors are usually better insulated
Standard insulated sectional doors have U-values of 0.8 to 1.3 W/m²K. Basic uninsulated roller doors can have U-values of 2.5 to 5.0 W/m²K (Hörmann technical datasheet, 2026). Insulated roller doors with foam-filled slats achieve U-values of 1.2 to 1.8 W/m²K, which is still less efficient than premium sectional panels.
Better insulation reduces heat loss from an attached garage. The Energy Saving Trust estimates that improving garage door insulation from a U-value of 3.0 W/m²K to 1.0 W/m²K saves around £50 to £100 per year on heating bills for a typical semi-detached home with an integral garage (Energy Saving Trust, 2026). If you use your garage as a workshop, gym, or room, the extra insulation of a sectional door will improve comfort and reduce condensation risk.
Quick numbers cost, insulation, and opening space comparison
| Feature | Sectional door | Roller door |
|---|---|---|
| Typical installed cost (single, 2.1 m x 2.1 m) | £1,500–£2,500 | £900–£1,800 |
| Typical U-value (insulated) | 0.8–1.3 W/m²K | 1.2–1.8 W/m²K |
| Headroom required above opening | 150–200 mm | 80–150 mm |
| Depth into garage from lintel | 300–500 mm | 200–400 mm |
| Automation included in base price? | Usually optional (£300–£600 extra) | Usually standard |
Source: Checkatrade cost guide, 2026; manufacturer datasheets from Hörmann, Garolla, and Cardale.
Payback period depends on whether you heat the garage—here is the direct answer
If you heat the garage (for example as a workshop, gym, or integral room), the extra insulation of a sectional door saves £50 to £100 per year in heating costs. That gives a payback of 6 to 12 years on the price premium versus a roller door (Energy Saving Trust, 2026).
If the garage is unheated or detached, insulation savings are negligible. In that case, the lower upfront cost of a roller door is usually better value. For a heated garage, a sectional door’s better insulation and draught-proofing also improve comfort and reduce condensation risk. The Department for Energy Security and Net Zero confirms that typical heating costs for a semi-detached home with an integral garage are around £800 per year, so a 10% saving from better garage door insulation is realistic (DESNZ, Energy consumption in the UK, 2026).
To qualify for manufacturer warranties and insurance approval, installers must be MCS or TrustMark registered
For automated garage doors, the installer must be registered with TrustMark or MCS (Microgeneration Certification Scheme) if the door is part of a wider energy-efficiency upgrade, such as under the ECO4 scheme (GOV.UK, Find a TrustMark registered business, 2026). Non-automated doors do not require specific certification, but using a TrustMark or FENSA-registered installer ensures compliance with building regulations Part L (conservation of fuel and power) for heated garages (GOV.UK, Approved Document L, 2026).
Always check the installer is listed on the TrustMark or MCS register before paying a deposit. If you plan to claim the door under a home insurance policy, some insurers require proof of professional installation by a registered fitter. compare garage door types and installation requirements
Sectional doors offer better security and lifetime value, but roller doors are quicker to install
Sectional doors typically have multiple locking points and thicker panels, making them harder to force open. Roller doors rely on side guides and a locking bar, which can be more vulnerable to forced entry (Which? garage door reviews, 2026).
Roller doors can be installed in one day by a single fitter. Sectional doors usually take one to two days and require more precise track alignment. Life expectancy for a sectional door is 15 to 25 years with regular maintenance, such as lubricating tracks and springs. Roller doors last 10 to 20 years, depending on slat material and motor quality (Hörmann warranty documentation, 2026).
If security and long-term value are your priorities, a sectional door is the better choice. If you need a quick, low-cost installation for an unheated garage, a roller door offers good value. read our guide on garage door security ratings
Frequently Asked Questions
Roller garage doors are cheaper on average, costing £800 to £2,500 installed compared to £1,200 to £3,500 for sectional doors (Checkatrade cost guide, 2026).
Yes, sectional doors require 150 to 200 mm of headroom, while roller doors need only 80 to 150 mm (Hörmann installation guide, 2026).
No, roller doors reduce usable parking depth by 200 to 400 mm because the curtain box sits behind the lintel. Sectional doors allow parking within centimetres of the opening.
A double sectional door (4.8 m x 2.1 m) costs £2,500 to £3,500 installed, including steel panels and manual operation (Checkatrade cost guide, 2026).
Electric automation typically adds £300 to £600 to either a sectional or roller door (Rated People pricing data, 2026).
