Building a House Extension Checklist

Building a House Extension Checklist

A home extension is perhaps one of the best ways of improving a living space and expanding on the available space to meet the growing need for space such as a big kitchen, more bedrooms or functional space among other things. To ease your understanding of this intricate process, a “Building a House Extension Checklist” gives you a roadmap of what the process entails, how to determine your needs in terms of space and cost estimate, acquiring relevant permits, hiring professionals and guaranteeing a proper integration between the extension and the original house. Using this checklist means you are always informed and on schedule and the whole project is much easier to handle and the chances of success are higher.

Building a House Extension Checklist


Types of Doors:



  • Framed: A door with a wooden frame to give it support and strength for the whole facility.

  • Battened: Made of vertical wooden planks (battens) because they need to be strong.

  • Ledged: Vertical board is installed through horizontal ledges that hold them for stability.

  • Braced: They have been reinforced with other braces for additional support.

  • Railed: Horizontal rails are incorporated to increase stiffness.

  • Panelled: Comprises panels which can be of wood to enhance its look and as an insulator.

  • Glazed: Windows or breakaway doors where the door and adjacent walls are of a glass finish.

  • Louvred: They include the doors with the proper set of holes to ensure that the room receives air circulation.

  • Flushed: It has a plain, level-like no panels or feature, outlook on its exterior surface.

  • Sliding: Doors that open from side to side on tracks for stacking.

  • Steel (collapsible): Some apartment types are fitted with a foldable security steel door.

  • Rolling: Vaned or shuttered doors which are usually observed in garages.

  • Swing: This type is opened on hinges and can either be opened inwards, or outwards.

  • Sheet: It is designed to be formed in a single piece using any material such as plywood.

  • Metal: Made of a metallic construction for better strength and protection from theft.

  • Glass: It is mainly formed by glass, and it can be used mainly for decoration.

  • Wooden: Made of wooden material providing natural elegance and sustainability.

  • Pocket: It kind of glides into a wall cavity to occupy less space.



This house building checklist includes:



  • Creative Ideas for Your House Extension

  • Reasons to consider a house extension

  • Factors that affect the cost of a house extension

  • Essential paperwork for a house extension




Creative Ideas for Your House Extension



  • Loft conversion to increase the amount of internal space in the house.

  • Another feature is an internal garage for additional separate storage or living space.

  • Added more functionality for the room above the garage.

  • Additional space in a house: single-storey rear extension.

  • Side extension, single storey to extend the available space.

  • Enlarged bedrooms and bathrooms through a new two-storey extension at the rear of the house.

  • Two-storey side extension to accommodate space.

  • Patios, outdoor living spaces, pool or spa areas, and other exterior balconies.

  • Conversion of single/double garage for newsroom.

  • Home office/ Home library/ Home theatre/ any private workspace.

  • Expansion of the kitchen to increase the kitchen or the bathroom to enhance the lavatories.

  • Extension of the basement for the additional usable floor area.




Reasons to Consider a House Extension



  • Expand your living space.

  • Advantageous in expense over the process of moving.

  • Enhances home functionality.

  • Increases property value.

  • Improves home layout.

  • Adds extra rooms.

  • Reduces relocation stress.

  • Helps in adapting your living surroundings.

  • Utilizes unused spaces.

  • Offers modern upgrades.

  • Provides extra storage.

  • Supports family growth.

  • Increases home efficiency.

  • Brings in more natural light.

  • Retains your neighbourhood link.




Factors That Affect the Cost of a House Extension



  • Size of the extension.

  • The type of extension developed, single or two storeys.

  • Part and parcel of construction.

  • Location of the property.

  • Complexity of the design.

  • Type of foundation required.

  • Labour costs in your area.

  • Permitting and legal fees.

  • Professionals needed.

  • Equipment fixtures for lighting and water supply.

  • Type of roof and structure.

  • Demolition, site development and preparation.

  • You can consider the Quality of Car parking floors, flooring finishes and other fittings.

  • Originally, fees for planning consultants and architects.

  • Timeframe for completion.




Essential Paperwork for a House Extension



  • Permission to build for legalities to be approved.

  • Application for designation and establishment of the development project proposal

  • Town planning approval about regulation.

  • Residential demolition permit G1 for structure removal.

  • You should then apply to your local council for its consent.

  • Builder quotes are needed for comparison of prices.

  • The project management plans for efficient working.

  • Party wall consent for the party structures in case of shared walls.

  • Short-term housing if you have to relocate in the meantime.

  • Insurance in the case of renovation extension cover needed has to be obtained.

  • Builders schedule timelines to create a clear timeline.

  • Checking structural engineering reports to do safety checks.

  • Construction drawings and architectural sketches.

  • Medical and safety survey for the construction site.

  • Water supply, gas, electricity connection application.




Plan your house extension with builders and this checklist and you are all set to create an extra space for your desired use.



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