Contents Listing
1. INTRODUCTION 6
1.1 BACKGROUND 6
1.2 SOURCES OF INFORMATION 6
2. SUMMARY & MARKET PROSPECTS 8
2.1 SUMMARY 8
2.2 MARKET PROSPECTS 9
3. ECONOMIC ENVIRONMENT 11
3.1 OVERVIEW AND OUTLOOK 11
3.2 KEY DATA 113.2.1 GDP 11
3.2.2 Inflation & Interest Rates 12
3.2.3 Employment & Wages 13
3.2.4 Household Consumption 14
3.2.5 Sterling 15
4. HOME EXTENSION MARKET 16
4.1 DEFINITION 16
4.2 OVERALL MARKET 17
4.2.1 Overall Planning Decisions 17
4.2.2 Householder Developments 18
4.3 REGIONAL ANALYSIS 19
4.3.1 England 20
4.3.2 Scotland & Wales 22
4.4 KEY MARKET INFLUENCES 22
4.4.1 Legislation – England & Wales 22
4.4.2 Legislation – Scotland 24
4.4.3 Established Base of Housing 26
4.4.4 House Prices 27
4.4.5 Residential Construction Output 29
4.4.6 Mortgage Lending and Affordability 30
4.4.7 Residential Property Transactions 31
4.4.8 Renewable Energy Technologies 32
4.4.9 Interior Design Trends 33
4.4.10 Influence of the Media 34
5. TYPES OF HOME EXTENSION 35
5.1 OVERALL MIX 35
5.2 SINGLE STOREY BUILDING EXTENSIONS 37
5.3 TWO STOREY BUILDING EXTENSIONS 38
5.4 OTHER BUILDING EXTENSIONS 39
5.5 INTERNAL BUILDING ALTERATIONS 39
5.6 EXTERNAL BUILDING ALTERATIONS 42
5.7 OTHER BUILDING PROJECTS 42
5.7.1 Heating & Ventilation 42
5.7.2 Landscaping 44
5.7.3 Roofing 45
6. KEY PRODUCTS 47
6.1 PRODUCT DEFINITION 47
6.2 PRODUCT MIX 47
6.2.1 Doors & Windows 48
6.2.2 Plasterboard & Insulation 49
6.2.3 Bricks, Blocks & Concrete 51
6.2.4 Roofing 52
6.2.5 Kitchen Furniture & Appliances 53
6.2.6 Baths, Showers, Sanitaryware 56
6.2.7 Decor 58
Tables & Charts
CHART 1: HOME EXTENSIONS MARKET – DEVELOPMENTS GRANTED BY PLANNING AUTHORITIES IN GREAT BRITAIN BY TYPE 2012-2017 (‘000S) 8
CHART 2: GDP DATA – 2015-2020 – KEY CONSTITUENT ELEMENTS 12
CHART 3: CPI INFLATION AND BANK OF ENGLAND BASE RATE 2008-2023 13CHART 4: AVERAGE WEEKLY EARNINGS DATA – GB – TOTAL PAY – 2014-2020 (SEASONALLY ADJUSTED) 14
CHART 5: PDI & SAVINGS RATIO AT CURRENT PRICES 2008-2023 14
CHART 6: EXCHANGE RATE FLUCTUATIONS 2015-2021 – STERLING TO THE DOLLAR, AND THE EURO, SPOT RATES 15
CHART 7: NUMBER OF PLANNING DECISIONS GRANTED IN GREAT BRITAIN – MAJOR, MINOR & HOUSEHOLDER DEVELOPMENTS 2014- 2023 (‘000S) 17
TABLE 8: NUMBER OF HOUSEHOLDER DEVELOPMENTS GRANTED IN GREAT BRITAIN 2014-2023 18
CHART 9: REGIONAL ANALYSIS OF HOUSEHOLDER DEVELOPMENTS GRANTED 2014 -2018 (NUMBER OF DEVELOPMENTS) 19
CHART 10: HOUSEHOLDER DEVELOPMENT DECISIONS BY LA PLANNING TYPES (ENGLAND) 2018 20
TABLE 11: ENGLISH HOUSING STOCK MIX BY DWELLING TYPE & AGE, 2017 26
CHART 12: UK AVERAGE HOUSE PRICE £K 2007-2018 28
CHART 13: RESIDENTIAL CONSTRUCTION OUTPUT (GREAT BRITAIN) NEW WORK & RMI – CURRENT PRICES (£BN) 2013 -2022 29
TABLE 14: UK MORTGAGE LENDING – TOTAL GROSS LENDING (£M), 2013-2018 30
TABLE 15: UK RESIDENTIAL PROPERTY TRANSACTIONS VALUED AT £40K OR ABOVE 2013-2022 31
TABLE 16: MIX OF HOUSEHOLDER DEVELOPMENTS BY TYPE OF PROJECT (VOLUME) 2018 35
TABLE 17: VALUE OF RMI OUTPUT AND HOME EXTENSIONS MARKET (VALUE £BILLIONS) 2014 – 2023 36
TABLE 18: MIX OF SINGLE STOREY DEVELOPMENTS BY TYPE OF USE (VOLUME) 2018 37
TABLE 19: MIX OF TWO STOREY DEVELOPMENTS BY TYPE OF USE (VOLUME) 2018 38
TABLE 20: MIX OF OTHER BUILDING EXTENSIONS BY TYPE OF USE 2018 (VOLUME) 39
CHART 21: MIX OF EXTERNAL BUILDING ALTERATIONS BY TYPE 2018 (VOLUME) 42
CHART 22: MIX OF HEATING & VENTILATION PROJECTS BY TYPE 2018 44
CHART 23: MIX OF LANDSCAPING PROJECTS BY TYPE (OTHER BUILDING PROJECTS) 2018 45
CHART 24: MIX OF ROOFING PROJECTS BY TYPE (OTHER BUILDING PROJECTS) 2018 45
TABLE 25: HOME EXTENSIONS’ SHARE OF PRODUCT SECTORS AT MERCHANT SELLING PRICES £M 2018 47
CHART 26: MIX OF DOMESTIC KITCHEN FURNITURE PRODUCTS BY TYPE 2016 55