What is an orangery?
An orangery is an extension with brick or block piers, large areas of glazing and a solid perimeter roof around a central roof lantern. It sits between a conservatory and a traditional extension: brighter than an extension, warmer and more private than a conservatory.
How much does an orangery cost in Havant?
In Havant, an orangery typically costs £2,700–£3,800 per m² of floor area, including VAT at 20% (standard rate). For a typical 16 m² project that is roughly £43,000–£61,000. Building costs in the South East run about 12% above the UK average, and the figures for Havant are adjusted to reflect that. Design, structural calculations and council fees are extra.
| Size or type | Guide range |
|---|---|
| Smaller project (11 m²) | £29,500–£42,000 |
| Typical project (16 m²) | £43,000–£61,000 |
| Larger project (22 m²) | £59,500–£83,500 |
| Rate per m² | £2,700–£3,800 |
What moves the price most:
- Opening into the house
- Amount and type of glazing
- Lantern size
- Frame material and colour
For a figure based on your own measurements, try the guide price tool, then book a free home visit for a fixed quote.
Do you need planning permission for an orangery in Havant?
Here is how the rules work for an orangery in England. In England a single-storey rear extension is often permitted development: broadly up to 3 metres deep on a semi-detached or terraced house and 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary, and covering no more than half the garden. The larger home extension scheme allows up to 6 or 8 metres if you notify the council first and neighbours have a chance to comment. In conservation areas, National Parks and National Landscapes the larger home extension route, side extensions and cladding are not permitted development. Flats and houses whose rights have been removed need a planning application, and listed buildings need listed building consent.
Building regulations approval comes from the council’s building control service or a registered building control approver. The work is inspected at key stages, such as foundations, drainage and insulation, and a completion certificate is issued at the end.
At the survey we check your house’s planning history and any restrictions, and tell you which route applies.
What we handle
What we take care of:
- Building control sign-off where required
- Insulated perimeter roof with internal pelmet
- Roof lantern and glazed panels
- Foundations and dwarf walls or piers
- French, sliding or bifold doors
- Flooring and decoration options
How long does it take?
Expect 8 to 12 weeks on site. Before that, surveys, drawings and approvals usually take 6 to 12 weeks, longer if the council asks for changes.
Building in Havant
Commuter towns across the South East have many 1930s and post-war semis that suit rear extensions and hip-to-gable loft conversions.
Our Havant coverage includes postcode districts PO9, and we also work in nearby places such as Emsworth, Waterlooville and Portsmouth.
How it works
- 01
Visit and measured survey
A free visit to understand the project, check access and take measurements.
- 02
Design and pricing
Design options, then a fixed quote based on the chosen drawings and specification.
- 03
Approvals in place
We handle planning, building control and neighbour notices before work starts.
- 04
Build and sign-off
We run the build to a written programme and hand over the completion certificate.
Questions about orangeries in Havant
How much does an orangery cost in Havant?
In Havant, an orangery typically costs £2,700–£3,800 per m² of floor area, including VAT at 20% (standard rate). A typical 16 m² project comes to roughly £43,000–£61,000. Your fixed price depends on the survey and drawings.
How long does it take?
Typically 8 to 12 weeks on site once approvals are in place.
Can an orangery replace a conservatory?
Yes. We can remove an old conservatory and build an orangery on new or upgraded foundations.
Who approves an orangery in Havant?
Planning matters in Havant go to the council covering your address, and the work needs building control approval. We prepare and submit the applications for you.
Can it be used all year?
Yes. With an insulated roof, efficient glazing and heating, an orangery is comfortable all year.