Is it worth expanding a half width conservatory with standard extension

Question

Our new house has a conservatory across half of the house, which is about 5m deep. It is in good condition. Ideally I would like to have a full width extension.

Is it worth trying (or even possible) to salvage the conservatory, incorporating it into an extension across the rest of the house? Or is it easier/cheaper just to take it all down and start from scratch?

Jason · Accepted Answer

Personally I would take it down & start again , reasons being old conservatory may well not be suitable to extend onto foundation and structure are compromised when adjoining .

Remigiusz · Answer

Hi, thank you for your enquiry. In most cases it’s not cost-effective or practical to try and incorporate an existing conservatory into a full extension, as the foundations and structure are usually not up to Building Regulation standards. It generally works out easier and cheaper in the long run to remove the conservatory and build a new extension from scratch.

Ruslan · Answer

It is possible to keep the conservatory, but usually it’s not the best option. Conservatories are built on lighter foundations and don’t meet the same insulation standards as extensions. By the time you upgrade it, the cost is often similar to building new.

Starting fresh with a full-width extension gives you proper foundations, better insulation, and a consistent look across the whole house — which also adds more value long-term.

Karim · Answer

Hi 
It is better to repair than to destroy. It costs less.

Steve · Answer

Turning a half-width conservatory into a full-width extension can be a good investment. It can give you more living space and increase your home's value. However, it's important to think about the costs and how it will affect your garden and the overall value of your property. As a building contractor who specialises in extensions I would recommend it would be easier to remove the conservatory and build an extension. This would add more value to the property and provide a seamless finish.

Christopher · Answer

I agree with all the other answers, the best practice would be to remove and start a fresh, makes life a lot easier, and will add value to the property in the future.

Martynas · Answer

you might be able to salvage bits and pieces, but if your aim is a full-width extension that feels like part of the house, it’s almost always better to start from scratch.

John · Answer

I would take it down as trying to ty in to the old conservatory could cause problems and you don't no what footings are there

Harsimran · Answer

Usually better to remove the conservatory and build from scratch — easier, cheaper, and better long-term results.

Is it worth expanding a half width conservatory with standard extension

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