Southend-on-Sea averages 1,688 heating degree days a year. That single number decides how much warmth a cold conservatory roof leaks, and in Southend-on-Sea it adds up.
Southend-on-Sea weather, 2021 to 2025
The warmest day in those five years reached 38.1°C on 19 July 2022. Averages come from Open-Meteo historical weather data for Southend-on-Sea.
What your roof lets out each year
For a typical 15 m² conservatory roof in Southend-on-Sea, kept at a comfortable temperature when you use it:
Costs use electricity at 26.32p per kWh, the Ofgem cap for 1 October to 31 December 2026. On gas central heating the money figures are about a third as big. Put in your own size on the roof builder, which uses Southend-on-Sea's weather when you pick it.
Prices in Southend-on-Sea
Small0 to 12 m²
from£3,000
Most pay £3,200 to £3,800
For example a 3 m by 3 m lean-to. Fitted in a day.
Price a small roofMedium12 to 25 m²
from£4,000
Most pay £4,200 to £4,950
For example a 4 m by 4 m Edwardian. Fitted in 1 to 2 days.
Price a medium roofLarge25 m² and over
from£5,000
Most pay £5,800 to £6,850
For example a 6 m wide P-shape. Fitted in 2 to 3 days.
Price a large roofBy shape, including removal of the old roof, panels in your colour, fitting, building control and the guarantee:
| Shape | Small, 0 to 12 m² | Medium, 12 to 25 m² | Large, 25 m² and over |
|---|---|---|---|
| Lean-to | £3,000 to £3,550 | £3,950 to £4,700 | £5,450 to £6,450 |
| Edwardian | £3,200 to £3,800 | £4,200 to £4,950 | £5,800 to £6,850 |
| Victorian | £3,300 to £3,900 | £4,350 to £5,150 | £6,000 to £7,100 |
| Gable end | £3,350 to £4,000 | £4,450 to £5,250 | £6,100 to £7,250 |
| P-Shape | £3,500 to £4,150 | £4,600 to £5,450 | £6,300 to £7,500 |
How it works in Southend-on-Sea
- Build your roof online or send us your postcode for a guide price.
- A surveyor covering Southend-on-Sea measures up and checks the frame, free of charge.
- You get a fixed written price. Nothing is ordered until you agree.
- We apply to building control, then fit the roof, usually in one or two days.
- Building control signs it off and your guarantee paperwork follows.
Thinking about a full tiled roof instead? Read what the price difference really buys before you decide.
Questions from Southend-on-Sea
How much is a new conservatory roof in Southend-on-Sea?
Insulated panel roofs in Southend-on-Sea start at £3,000 for a small lean-to. A medium Edwardian of around 17 m² is usually £4,200 to £4,950, with the old roof removed, building control and a 10 year guarantee included.
Is a solid roof worth it on Southend-on-Sea's weather?
On 1,688 heating degree days a year, a 15 m² roof of 16 mm polycarbonate lets out about 1,398 kWh if you keep the room warm. Insulated panels cut that to about 261 kWh, worth about £299 a year on an electric heater.
Do I need permission in Southend-on-Sea?
Planning permission is rarely needed because the size and height of the conservatory stay the same. Check with the council first if your home is listed or in a conservation area. Building control approval is normally needed and we apply for you.
When can a surveyor come out in Southend-on-Sea?
Surveys around Southend-on-Sea are usually booked within a week, and fitting follows three to five weeks after that.