How To build a Home Extension
Your guide to help you construct a residential house extension in the UK. From
sunroom extensions to attic and loft conversions. From house and loft extensions in London to house extension
designs and plans. We have an opinion and comment on just about every aspect of how to architect your home
for most types of residential extensions.
Building an extension to
your home can be a complicated matter but when broken down into its constituent parts is a
fairly logical process that simply requires a methodical approach with a good understanding.
Permission is often seen as the first step but this is not the case. Selecting your Building
Designer, Architect or Technician to help you realise your ambitions or aspirations in the correct way is probably
the most important first step there is.
Without good initial design advice you
will probably embark on an ill thought out scheme where your initial thoughts remain unchallenged.
Your house extension could be a loft
conversion, a new conservatory, a two storey side extension, a single storey rear extension, a
detached garage or swimming pool building or just internal alterations for remodeling the internal layout of your
Whatever you are considering, the design principals are often the
same. Good thought through design will lead to an easier route for the on site
construction process. This web site will provide you with ideas, concepts, strategies and tactics that will
help most homeowners realise their dreams.
This web site is still being enhanced and is continually updated with new content so please
do bookmark this site and return often. We want you to enjoy and benefit from our 30 years experience so
this web site is full of well written great content of relevant articles & guides specifically
focussed on house extensions in the UK. You will not find any 'copy, cut and paste' content on this
site unlike some of the other 'spammy' house extension web sites on the internet.
Please utilise our links on the right to navigate your way through the various stages of
a home extension. We have had 30 years of building design experience for residential development that we
would like to share with you so that you are better informed before engaging the professionals you
Extending your home can encompass the following areas:-
A house extension or home extension usually requires planning approval or
planning permission. Planning consent can sometimes be irrelevant if permitted development rights are used in
Town and country planning often dictates a framework of what type of house extension design
On October 1st 2008 the Pd rights where amended or revised for greater flexibility when
extending a home without formal planning permission.
Householder extensions are usually for loft conversions, two storey side rear or front
extensions, dormer windows, garage conversions sheds, car ports and basements.
Permitted development rights or PD rules usually means 'what can I build without planning
permission. This can also relate to garden buildings, swimming pool enclosures, garden rooms, home studios and
Whether you are exploiting your permitted development rights or applying for planning
permission., most home extensions also require Building Regulations approval. Building design for true construction
scheme can be very complicated but your home extension architect or designer is usually well experienced in
providing you with the necessary plans and specifications for this purpose.
Building permission usually relates to Council planners, local authorities and your local
authority Building Inspector although there are now private Building Inspectors that you can employ for the all
important Building Regulations approval.
Planning appeals to the Planning Inspectorate can be a second level of approval method if
your house extension scheme is refused planning approval. This used to be under the wing of the DOE. All appeals
reconsider the planning application again at a higher level of authority. Planners will be required to support
their decision to refuse.
Building permissions for a house extension require detailed building plans showing all the
necessary construction details supported by a specification manual.
Where Planning is often refused for a house extension, there are normally site specific
issues giving the council grounds for refusing a home extension. Issues such as green belt, flood plains, building
within a conservation area or AONB, within the grounds of a listed building, works that affect a tree under a TPO
or forming a new highway access.
New dwelling houses, bungalows, one for one redevelopment sites also require formal planning
permission and fall outside of a householder planning application.
Many loft conversions, roof extensions and dormer windows can also be built without planning
permission under permitted development of the Town & Country Planning Act.
Many home extensions will add additional bedroom space where off road car parking and other
highway issues can be assessed.