Design and Build Contractors in London

Design & Build Contractors in London

Design & Build Contractors in London

If you want to alter your property in London or build a new one, you should consult Design and Build Contractors in London. They will provide you with the best possible services you can think of. It is difficult for most people to invest in new property. However, it is somewhat easier to alter the one they already reside in.

We will look into some basic knowledge of how much a London residence can alter his property. Most important makeovers to a building need planning approval from the local authorities. One has to undertake certain adjustments. As without it since they are effective, ‘pre-approved’ under a property owner’s Permitted Development Rights.

Permitted Development and its working

Permitted Development Rights allows you certain small improvements in your property. However, there are some limitations if your property is lies or situates in a designated area. You can change something without obtaining planning approval. However, it’s always a good idea to double-check with the planning authorities if you’re unsure.

Internal remodeling

It is normally permissible to change the interior structure of your home, as long as the work does not increase the house’s footprint. It is permissible for you to remodel if you are following the development guidelines. However, there may be a necessity to follow Building Regulations in terms of electrical safety & the structural stability of the modifications.

Unless the structure in the issue is listed, no applicable requirements weren’t included in the planning stage approval. No planning permission is typically needed for renovations affecting windows, including double glazing installation. However, if a new window or door is above a specific size, certain Building Regulations may apply. One should always keep in mind that you require a proper planning permission for building a bay window. Since it is consider an expansion, you do not require to add a new window or door on a side elevation if the installation is with frosted glass. Another requirement is that one can install doors and windows be in a non-opening frame. Unless the opener is more than 1.7 meters from the floor.

Roof lights

You can install the lights on a property’s roof as the extension is not more than 0.15 meters. One cannot do this in Conservation Areas, Areas of Outstanding Natural Beauty, or any other Article 4 Direction Area as the extension is beyond the roof level that overlooks a roadway. You cannot do this at all in any other Article 4 Direction Area.

Loft conversions

You can easily carry out an approved development project on a loft conversion if the converted area exceeds 40 cubic meters. One can also install the Dormer windows as part of this conversion, as long as the extension is not over the height of the present roof and doesn’t project ahead of the major elevation’s roof plane.

Two-story extensions

You can also build a two-story expansion at the back of a home after the approval of construction. Even if it includes an existing single story. On the other hand, a two-story addition cannot be more than 3 meters deep or extend closer than 7 meters to the property’s back border — but there are certain restrictions on the glass of the windows in these additions.


Conservatories (orangeries) are similar to any other single-story extension. You can simply construct in a permitted development project. One can easily go for them as desired.

Creating one property from two

Combining two neighboring properties to create one big one normally requires planning approval. Still, the opposite is not true. Splitting a property to create two independent ones does not qualify as authorized Development.


A veranda on the front of a home does not need planning approval as long as its dimension is 3 square meters fewer, its height is not more than 3 meters, and it is at most 2 meters distant from any highway-adjacent border.

Walls, fences, and gates

Construction should not be more than 2 meters high. Any activity connected to a clear guideline to a property, such as installing a wall, fence, or gate, may be dealt with under authorize Development. Without the requirement for planning approval (or 1 meter high, if adjacent to a highway), it is illegal. However, in the case of a listed building, planning authorization is necessary.

Swimming pools.

A swimming pool does not makeup over half of the garden’s size, and it is fit as approve Development.

Concerns about wall cladding

Changes to the type of the cladding on a building’s walls may generally be done, as long as the property is not on Article 1(5) land (which relates to an Area of Outstanding Natural Beauty, or somewhere with a similar designation).

Solar panels

Solar panels installed on a wall or a roof doesn’t protrude over the roof and extend more than 0.2 meters further from the connected surface. (For this reason, a chimney does not count as part of the roof.) Structures and buildings situated inside a Conservation Area are subject to various limitations due to the existing rules and regulations.

The situation is somewhat different with free-standing solar panels. There are restrictions on the maximum size of the module you can install and the position of the panels concerning a property’s boundaries.


Recently, a judgment was made in a case that appeal to add the basements to assets under Permit Development Rights – precisely under Class A of the General Permit Development Order (GPDO), on condition that no engineering works are carried out.

Rules governing commercial or industrial buildings

Permitted Development is use to convert an industrial, commercial, or agricultural construction. For domestic use, unless the estate is a registered building or located in a conservation area. However, agricultural buildings must follow ‘Prior Notification’ procedures.


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