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House Extension North London

If you are looking to extend your property, Entire Houze can help. You might have the need for an additional bedroom due to the family growing, or you finally want to get that large kitchen you’ve been dreaming of. Instead of moving to get what you want, save the stress of a move by getting a house extension.

We appreciate most people rarely undertake major building projects like a House Extension in North London, however we have built many of them and have the experience and expertise to carry out the work efficiently and effectively to reduce your costs, minimise upheaval and provide you with the highest quality finish. We can answer any questions you may have and will also be happy to give you the contact details of other customers who have had similar work carried out.

Planning & Organisation

To efficiently construct a House Extension in North London, it requires the coordination of many elements starting with the planning permission (if required, see guidance below) to organising delivery of materials and different work being carried out in the right order and without delays.

The Entire House take care of all the activities for you. Our planning is as meticulous as our workmanship. These elements ensure the smoothest coordination to minimise delay and expense.

Porches

Porches are typically small extensions to the front of a house, although they can be much larger and can be built to the side or to the rear. They are generally simple structures of only brick dwarf walls and columns, windows and a door. They can be plastered or left as bare brick and generally have a light and possibly an electric socket. Most porches do not require planning permission due to their size, although some do. As long as the porch is separated from the house by an internal door, and it is not heated, then it will not require building regulations certification. If you have electrics in it however, you must either use a Part P registered electrician or have the job inspected by the building control department and pay their fee.

Conservatories

Fairly simple structures are usually made of UPVC, although they can be timber or aluminium. Some conservatories require planning permission and some do not. Is Planning Permission Needed? The rules on building control apply as to porches.

Orangeries

An orangery is essentially a conservatory with a solid roof and walls – but with plenty of glazing as well. They have the advantage of being sturdy and warm, while also bringing in a lot of sunlight. Typically more expensive than a conservatory, it is advisable to employ both an architectural company and a building company experienced in this type of project. Rules for orangeries are very similar to that of conservatories for Planning Permission. Building control permission will almost certainly be required.

 Single storey extension

Single storey extensions are simply an extension built onto a part of the house whereby one side (or more) of the extension adjoins the property and there is only the ground floor plus any basement built to it. Main considerations here must be the size of the extension and its impact upon neighbours, how the roof will work with the existing building and specifically whether the same type of roof covering of the existing property can be used on the extension. Positions of flues, drains and excavations must all be considered. In some instances planning permission will not be required for single storey extensions. Building control permission will almost certainly be required.

Two storey or multi-storey extension

A multi-storey extension can, like a single storey extension, also be built to any part of the existing building. However, with an extension of more than one storey, the possibility of nuisance towards neighbours is much stronger. In some instances it may be possible to build what you want without requiring planning permission, but we would strongly advise that you get a letter from the Planning Department to cover this.

Over-structure extension (typically over-garage)

An over-structure extension is, as it sounds, where you are extending over the top of an existing structure such as a garage, a kitchen, a living or dining room. Unfortunately this is not as simple as many people think. For example, many houses have only single-skin brickwork for garages. This is not sufficient to build up-over as the new brick and block work above is twin-leaf. The solution is either to dig down through the garage floor, install a new foundation and a new inner leaf, or to install block work ‘piers’ in the garage and fix a steel beam over the top of these. Similarly, there is a potential problem if you are building over the top of a kitchen or dining room which has a twin leaf wall but was built in the 60′s. Because the conditions of the foundations cannot be guaranteed, it is generally necessary to dig a trial hole to investigate.

In terms of planning permission and building control, the rules about whether or not you need planning permission are far more difficult to define in these instances and depend on distances to boundaries, between neighbours as well as aspect ratios and other factors, and you are well advised to seek specialist advice. Building control permission will almost certainly be required.

Communication – Keeping You Informed

We will always keep you advised of what is happening, when deliveries are being made, when skips are arriving and being removed. We will also keep neighbours advised when appropriate, to ensure they are not inconvenienced in any way and so they have a point of contact should they need it.

House Extension North London – Planning Permission is required if:

  • The volume of the house is increased by whichever is greater of the following amounts. 24sq meters(28.7sq yards) or 20% of the original house volume
  • The new height is higher than any part of the house roof
  • Any part of the extension is within 2 meters(6ft 6ins) of a boundary has a height of more than 4m(13ft) high
  • The planned extension will cover more than 50% of the original area of the garden
  • The conversion/extension is to be an independent dwelling
  • It is in a conservation area
  • It is a listed building

At The Entire House, part of our service is to help you to navigate this process and ensure that you have the correct planning permissions. We will make sure you are aware of the processes involved in completing conversions and extensions with the minimum of delay and expense.

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