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Home Extensions Market Report – GB 2014-2018 Analysis

  • December 2014
  • 57 pages
  • AMA Research
Report ID: 3516885


Table of Contents

AMA Research are pleased to announce the publication of the 1st edition of the new report 'Home Extensions Market Report – GB 2014-2018 Analysis'. This unique report provides a detailed insight into the home extension market, specifically projects undertaken by householders which require planning permission, e.g. building extensions.

Key areas in the report:

• Overall market for householder developments requiring planning permission – number of developments granted and forecasts to 2018, regional analysis, legislation and key market influences.

• Types of building extensions undertaken - single, two-storey, other building extensions, other alterations such as heating installations, landscaping and roof alterations.

• Products used in the home extensions sector- kitchens, bathrooms and other key building materials, including market value in the home extensions sector and key market trends.

The number of ‘householder developments’ has remained relatively stable over the last 3 years as consumers have focused on improvement work rather than moving house. In 2014, the more buoyant economic situation has positively influenced the number of householder improvements granted by the planning authorities, with an increase of 3% expected in 2014 to 192,500 approved applications. Single storey extensions are estimated to account for the largest share of ‘planned’ home improvement projects with 37%.

Areas of particular interest:

• Review of key trends in the home extension sector - recent developments and market prospects to 2018.

• Key market drivers - including mortgage lending, RMI trends, housing transactions etc.

• Interior design trends - open plan living and influence on the types of products installed.

• Types of extension, function and the mix of products used.

• Regional analysis including the number of developments in England, Scotland and Wales and key trends.

• Key products by value and product and design trends for kitchens, bathrooms, decor, doors and windows, roofing etc.

The report covers the following key areas:


• Overall market size by volume 2009-2013 for all planning decisions granted, including major applications, minor applications and householder developments. Forecasts for 2014.

• Market size for planned householder developments granted 2009-2013, including single storey extensions, two-storey, dormer, garage, porch, conservatory, external, internal, H&V / renewables, landscaping and roofing. Forecasts to 2018.

• Key market influences e.g. mortgage lending, established base of housing, residential transactions, house prices, renewable energy technologies, influencing consumer confidence levels.

• Regional analysis for England, Scotland and Wales including the number of householder developments granted and key trends by country.

• Regional analysis for England by area, e.g. South West, including the number of householder developments.


• Overall mix of planned householder developments by type of project (by volume) for 2013, e.g. single and two-storey extensions, external building alterations, landscaping, roofing, heating.

• Building extensions - single storey, two-storey, dormer, garage, porch and conservatory.

•External building alterations - doorways, ramps, windows, insulation and render, cladding, security products and the conversion of outbuildings.

• Internal building alterations - internal walls, doorways, alterations to listed buildings etc.

• Heating and ventilation - air conditioning units, renewable energy installations.

• Landscaping - installation of terraces, walls, railings, fences, driveways and tree felling.

• Roofing - roof coverings, roof lights.

• Value of the building extension market 2009-2014. Forecasts to 2018.

• Mix of single and two-storey extensions by type of use, by volume 2013 - e.g. what proportion of single storey planned extensions are for a new kitchen, bathroom, bedrooms and other.


• Review of the key products used in the home extension market - including the value of each product group within the home extension sector for: bricks, blocks and concrete; kitchens; bathrooms; decorating materials; insulation and roofing, doors and windows; and plasterboard.

The overall level of planning decisions granted in Great Britain has remained fairly stable over the last 5 years despite the economic uncertainty and relatively low levels of consumer confidence. A steady improvement in the economy and housing market in 2013 had a positive impact for the overall home repair and refurbishment sector, which increased by around 2%. The presently more positive economic outlook also influenced the number of householder improvements granted by the planning authorities, with a slight upturn in 2013.

Factors influencing the home extensions market between 2008 and 2010 include low levels of consumer confidence allied to a financial crisis, leading to lower levels of equity withdrawal following tighter mortgage restrictions. Equity withdrawals had funded a large proportion of major home improvement projects prior to the economic downturn.

In 2010, the market recovered slightly, supported by higher RMI expenditure in the domestic sector. The trend towards ‘improve, don’t move’ benefitted the market for major home improvements and the number of householder developments increased by 7%. In 2010, domestic RMI activity also improved ahead of the VAT increase in January 2011. This impacted positively on major improvements and high ticket items such as kitchens and bathrooms.

However, the economic situation, high inflation and living costs continued to impact the market in 2011 and 2012, with the number of overall developments granted falling by 4% and householder developments falling further by 7% over the two year period.

In terms of regions, England accounted for 89% of householder developments in 2013, up from 87% in 2009. Scotland accounted for 6% and Wales 5%. The majority of householder planning decisions granted were for building extensions, with single and double storey accounting for around half of all projects undertaken.

Single storey extensions were estimated to account for around 37% of householder developments in 2013, with approximately 70,000 applications granted, while two storey extensions were estimated to account for around 13% of householder developments, with approximately 25,000 applications granted. Two storey extensions cover a variety of functions and incorporate a wide range of products including bedrooms, bathrooms, utility rooms, a garage etc., in addition to an extension of the living and kitchen areas.

The nature of the extension can vary from the installation of a new kitchen and open plan living area to a simple utility room and downstairs cloakroom. In 2013, the vast majority incorporated a kitchen and living area. The growth of the trend towards contemporary design has motivated consumers to create a clean and uncluttered look throughout much of their home. This has led to a demand for more open plan arrangements, particularly in existing homes where improvement and redesign is undertaken.

Although the UK economy remains fragile, there is more optimism for a continued recovery in the construction industry and the housing market, along with improving consumer confidence & spending. Low interest rates and rising house prices are encouraging consumers to undertake larger scale home improvements, particularly as there have now been a number of years of deferral of product replacements and home improvements.

Into late 2014 and beyond, average UK house prices are forecast to rise by around 6% in 2014 and thereafter by between 4% and 5% to 2017 driven by the continued economic recovery and prospective rises in average earnings. Rising house prices in the longer term should provide underlying support for the home improvement market, particularly high value improvements such as building extensions.

However, the expectation that interest rates are eventually set to rise in 2015, will exacerbate affordability issues and slow house price growth to around 2-3% by 2018. Consequently, the level of building extensions is expected to achieve modest growth in the medium term, reflecting growing consumer confidence and spending and perhaps a return to the trend of carrying out improvements prior to placing properties on the market.

Affordability issues are the main barrier to growth as banks and building societies require more information regarding borrowers' finances in order to assess their income, outgoings along with potential interest rate increases, before making a decision on how much to lend.

However, it is reasonable to assume that homeowners with good levels of equity and those considered low risk by lenders will continue to undertake improvements, which should provide underlying support for the market. In addition, overall RMI expenditure is expected to achieve a steady rate of growth in the medium term to reach around £28bn by 2018.

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