| Ch 38 | 1915-30 | Abbots Pool, Abbots Leigh, Bristol |
| Ch 26 | 1901-20 | Abbotswood, Stow-on-the-Wold, Gloucestershire |
| Jun-14 | 1887-91 | Acacias, The – Reading, Berkshire – (‘A Tale of Two Ferneries’) |
| Aug-13 | 1892-97 | Aldenham House – Elstree, Hertfordshire |
| Dec-11 | 1909 | Alness, Ross-shire – Ardross Castle |
| Apr-14 | 1872-75 | Aquarium, The – Brighton, Sussex |
| Dec-11 | 1909 | Ardross Castle – Alness, Ross-shire |
| Jul-15 | 1898 | Argyll and Bute – Mount Stuart |
| Aug-11 | 1898-99 | Ascot, Berkshire – Sunningdale Park |
| Ch 37 | 1914-16 | Ashton Memorial Gardens, Lytham St Annes, Lancashire |
| Ch 7 | 1867 | Audley End, Saffron Walden, Essex |
| May-15 | 1882 | Aylesbury, Buckinghamshire – Halton House |
| Ch 27 | 1902 | Batsford Arboretum, Moreton-in-Marsh, Glos. |
| Ch 6 | 1865-70 | Battersea Park, London |
| Ch 19 | 1892-1900s | Bawdsey Manor, Bawdsey, Suffolk |
| Dec-15 | 1845 | Bayfordbury, nr Hertford, Hertfordshire |
| May-14 | 1879-85 | Bearwood College – Wokingham, Berkshire |
| Sep-11 | 1866 | Bedwell Park – Essendon, Hertfordshire |
| Ch 20 | 1893 | Belle Vue Park, Newport, Gwent, Wales |
| Apr-13 | 1906-07 | Belper, Derbyshire – River Gardens |
| Ch 1 | 1835-38 | Benington Lordship – Hertfordshire |
| Jan-16 | 1883-85 | Benington, Hertfordshire – The Rectory |
| Jan-13 | 1859-62 | Berry Hill – Taplow, Buckinghamshire |
| Ch 23 | 1895-1908 | Blakesley Hall, Northamptonshire |
| Jul-14 | 1885-93 | Bletchley Park, Buckinghamshire |
| Oct-15 | 1873 | Bolton, Lancashire – Smithills Hall |
| Ch 39 | 1917-30 | Bracken Hill, Bristol |
| Apr-14 | 1872-75 | Brighton, Sussex – The Aquarium |
| Ch 38 | 1915-30 | Bristol – Abbots Pool, Abbots Leigh, |
| Ch 39 | 1917-30 | Bristol – Bracken Hill |
| Ch 2b | 1845 | Bristol – Church of St Mary Redcliffe |
| Jan-14 | 1845 | Bristol, Avon – Church of St Mary Redcliffe |
| Ch 31 | 1908-10 | Bristol, Avon – Rayne Thatch |
| Jan-15 | 1865-71 | Bromley, Kent – Palace Gardens |
| Feb-15 | 1873-74 | Bromley, Kent – Sundridge Park |
| Ch 2b | 1855-57 | Broxbourne – St Augustine’s Church |
| Ch 3 | 1845-49 | Broxbourne – The Manufactory |
| Ch 30 | 1903-04 | Buckingham Palace, London |
| Aug-14 | 1894-98 | Burslem Park and Hanley Park – Stoke-on-Trent, Staffs |
| Nov-15 | 1901-03 | Bushey, Hertfordshire – Bushey House |
| Ch 9 | 1872-76 | Cardiff, Wales – St Fagans Castle |
| Feb-16 | 1891 | Carpenders Park – Watfrod, Hertfordshire |
| Sep-14 | 1880 | Chipping Norton, Oxfordshire – Heythrop Park |
| Dec-14 | 1827-49 | Churches in Hertfordshire and Bedfordshire – (‘Working with Thomas Smith’) |
| Ch 2b | 1849 | Clophill – St Mary’s Church |
| Sep-15 | 1922-23 | Comrie, Perthshire – Dunira |
| Feb-12 | 1899 | Coombe Wood – Croydon, Surrey |
| Oct-14 | 1868-80s | Court Lodge – Lamberhurst, Kent |
| Ch 15 | 1885-86 | Crawley, West Sussex – Worth Park |
| Feb-12 | 1899 | Croydon, Surrey – Coombe Wood |
| Oct-12 | 1859 | Danesbury Park – Welwyn, Hertfordshire |
| Ch 28 | 1901-03 | Danesfield House, Medmenham, Surrey |
| Mar-12 | 1869 | Darlington, Co Durham – Pierremont Park |
| Sep-13 | 1902-05 | Davenham, Malvern, Worcestershire |
| Ch 15 | 1888-1913 | Dell, The – Englefield Green, Surrey |
| Ch 22 | 1895-1912 | Dewstow House, Caerwent, Wales |
| Dec-12 | 1896-97 | Dorking, Surrey – Wotton House |
| Oct-13 | 1880 | Dublin, Eire – St Stephen’s Green |
| Sep-15 | 1922-23 | Dunira – Comrie, Perthshire |
| Ch 5 | 1862-64 | Dunorlan Park, Tunbridge Wells |
| May-16 | 1902 | Dutton Homestall – East Grinstead, Sussex |
| May-16 | 1902 | East Grinstead, Sussex, Dutton Homestall |
| Jun-13 | 1909 | Elmstone Court – Preston, nr Canterbury, Kent |
| Aug-13 | 1892-97 | Elstree, Hertfordshire – Aldenham House |
| Ch 16 | 1888-1913 | Englefield Green, Surrey – The Dell |
| Ch 18 | 1892-1914 | Epsom, Surrey – Ewell Court House |
| Sep-11 | 1866 | Essendon, Hertfordshire – Bedwell Park |
| Ch 18 | 1892-1914 | Ewell Court House, Nr Epsom, Surrey |
| Apr-16 | 1929-33 | Exbury, Nr Southampton, Hampshire – Exbury Gardens |
| Ch 40 | 1920-21 | Folkestone, Kent – The Leas, Zigzag Path |
| Mar-13 | 1859-60 | Fonthill Abbey – Tisbury, Wiltshire |
| Ch 24 | 1898-1912 | Friar Park, Henley-on-Thames, Oxfordshire |
| Jun-12 | 1910-12 | Gatton Park – Reigate, Surrey |
| May-12 | 1891-94 | Gisselfeld, Denmark |
| Ch 17 | 1890-91 | Glasgow – Ross Hall Park |
| Ch 25 | 1902-07 | Guildford, Surrey – Merrow Grange |
| Jun-15 | 1868-74 | Guisborough, North Yorkshire – Hutton Hall |
| Aug-12 | 1874 | Gunnersbury Park – Hounslow, London |
| May-15 | 1882 | Halton House – Aylesbury, Buckinghamshire |
| Aug-14 | 1894-98 | Hanley Park and Burslem Park – Stoke-on-Trent, Staffs |
| Ch 29 | 1902-05 | Heatherden Hall / Pinewood, Iver Heath, Bucks. |
| Ch 24 | 1898-1912 | Henley-on-Thames, Oxfordshire – Friar Park |
| Aug-15 | 1880 | Hertford, Hertfordshire – Ware Park Manor |
| Sep-14 | 1880 | Heythrop Park – Chipping Norton, Oxfordshire |
| Jan-12 | 1871 | High Leigh – Hoddesdon, Hertfordshire |
| Mar-14 | 1871-1906 | Highland Gardens – New Barnet, Greater London |
| Ch 4 | 1847-62 | Highnam Court, Gloucestershire |
| Ch 2a | 1842-43 | Hoddesdon – Rawdon House |
| Ch 2a | 1842-62 | Hoddesdon – Woodlsnds |
| Jan-12 | 1871 | Hoddesdon, Hertfordshire – High Leigh |
| Ch 13 | 1881-92 | Holly Hill Park, Sarisbury, Hampshire |
| Jun-11 | 1890 | Horsham, Sussex – Leonardslee Gardens |
| Aug-12 | 1874 | Hounslow, London – Gunnersbury Park |
| Ch 1 | How It All Began | |
| Jun-15 | 1868-74 | Hutton Hall – Guisborough, North Yorkshire |
| Nov-14 | 1878-98 | Insole Court – Llandaff, Cardiff |
| Ch 29 | 1902-05 | Iver Heath, Bucks. – Heatherden Hall / Pinewood |
| Ch 1 | 1838 | James 1 – Untimely Death |
| Ch 2a | 1845 | James 2 – Letters to ‘The Builder’ |
| Jun-14 | 1887-91 | Juniper Hill– Mickleham, Dorking, Surrey – (‘A Tale of Two Ferneries’) |
| Ch 2b | 1848 | Kilnwick Percy – Pocklington |
| Ch 33 | 1911-15 | Kingston-upon-Thames, Surrey – The Watergardens |
| Ch 32 | 1908-12 | Kingston-upon-Thames, Surrey – Warren House |
| Nov-13 | 1896 | Knebworth House, Hertfordshire |
| Oct-14 | 1868-80s | Lamberhurst, Kent – Court Lodge |
| Jun-11 | 1890 | Leonardslee Gardens – Horsham, Sussex |
| Apr-15 | 1889 | Letchmore Heath, Hertfordshire – Piggot’s Manor |
| Nov-14 | 1878-98 | Llandaff, Cardiff – Insole Court |
| Sep-12 | 1864-71 | Lockinge, Wantage, Oxfordshire |
| Ch 6 | 1865-70 | London – Battersea Park |
| Ch 30 | 1903-04 | London – Buckingham Palace |
| Oct-11 | 1895-99 | London – St James’s Park |
| CH 1 | 1824-38 | London – The Early Years |
| Ch 36 | 1912-31 | London – The Exhibitions |
| Jul-13 | 1905-13 | London Zoo |
| Mar-16 | 1873-74 | London, S.E. – An Exciting Discovery in S E London |
| Apr-12 | 1909-10 | Luton, Bedfordshire – Luton Hoo |
| Ch 37 | 1914-16 | Lytham St Annes, Lancashire – Promenade Gardens and Ashton Memorial Gardens |
| Ch 21 | 1894 | Madeira Walk, Ramsgate, Kent |
| Ch 11 | 1876-79 | Madresfield Court, Malvern, Worcestershire |
| Sep-13 | 1902-05 | Malvern, Worcestershire – Davenham |
| Ch 11 | 1876-79 | Malvern, Worcestershire – Madresfield Court |
| Ch 28 | 1901-03 | Medmenham, Surrey – Danesfield House |
| Ch 25 | 1902-07 | Merrow Grange, nesr Guildford, Surrey |
| Mar-15 | 1878 | Mesnes Park – Wigan, Lancashire |
| Jun-14 | 1887-91 | Mickleham, Dorking, Surrey – Juniper Hill- (‘A Tale of Two Ferneries’) |
| Jul-15 | 1898 | Mount Stuart – Argyll and Bute |
| Mar-14 | 1871-1906 | New Barnet, Greater London – Highland Gardens |
| Jul-11 | 1858 | Newgate Street, Hertfordshire – Ponsbourne Manor |
| Ch 20 | 1893 | Newport, Gwent, Wales – Belle Vue Park |
| Ch 2b | 1820-70 | Obadiah Pulham – Apprentice and Artist |
| Ch 2b | 1852-70 | Obadiah Pulham – Churches Around Europe |
| Ch 10 | 1876 | Old Warden, Bedfordshire – Swiss Garden |
| Nov-11 | 1871 | Oxted, Surrey – Titsey Place |
| Jul-12 | 1873-80 | Park Hill – Streatham, London |
| Mar-12 | 1869 | Pierremont Park – Darlington, Co Durham |
| Apr-15 | 1889 | Piggot’s Manor – Letchmore Heath, Hertfordshire |
| Ch 29 | 1902-05 | Pinewood / Heatherden Hall, Iver Heath, Bucks. |
| Ch 2b | 1848 | Pocklington – Kilnwick Percy |
| Feb-14 | 1865-92 | Poles Park – Ware, Hertfordshire |
| Jul-11 | 1858 | Ponsbourne Manor – Newgate Street, Hertfordshire |
| Dec-13 | 1864-67 | Preston Parks, Lancashire |
| Jun-13 | 1909 | Preston, nr Canterbury, Kent – Elmstone Court |
| Ch 37 | 1914-16 | Promenade Gardens, Lytham St Annes, Lancashire |
| Ch 21 | 1894 | Ramsgate, Kent – Madeira Walk |
| Ch 41 | 1923-36 | Ramsgate, Kent – West Cliff Chine and Winterstoke Chine |
| Ch 31 | 1908-10 | Rayne Thatch, Bristol, Avon |
| Jun-14 | 1887-91 | Reading, Berkshire – The Acacias – (‘A Tale of Two Ferneries’) |
| Jun-12 | 1910-12 | Reigate, Surrey – Gatton Park |
| Ch 35 | 1911 | RHS Garden Wisley, near Woking, Surrey |
| Ch 17 | 1890-91 | Ross Hall Park, Glasgow |
| Ch 8 | 1868-1905 | Sandringham Royal Estate, Norfolk |
| Ch 13 | 1881-92 | Sarisbury, Hampshire – Holly Hill Park |
| Ch 14 | 1882-85 | Sheffield Park Garden, Uckfield, East Sussex |
| Nov-12 | 1919-20 | Shipton-under-Wychwood, Oxfordshire – Shipton Court |
| Oct-15 | 1873 | Smithills Hall – Bolton, Lancashire |
| Ch 9 | 1872-76 | St Fagans Castle, Nr Cardiff, Wales |
| Oct-13 | 1880 | St Stephen’s Green – Dublin, Eire |
| Ch 42 | 1934-36 | Stoke Poges Memorial Gardens, Buckinghamshire |
| Aug-14 | 1894-98 | Stoke-on-Trent, Staffordshire – Hanley Park and Burslem Park |
| Ch 26 | 1901-20 | Stow-on-the-Wold, Gloucestershire – Abbotswood |
| Jul-12 | 1873-80 | Streatham, London – Park Hill |
| Feb-15 | 1873-74 | Sundridge Park – Bromley, Kent |
| Aug-11 | 1898-99 | Sunningdale Park – Ascot, Berkshire |
| Ch 10 | 1876 | Swiss Garden, Old Warden, Bedfordshire |
| Jan-13 | 1859-62 | Taplow, Buckinghamshire – Berry Hill |
| Feb-13 | 1874-75 | Tetbury, Gloucestershire – Westonbirt Manor |
| Ch 43 | 1935-57 | The End of the Line – Closure of the Business |
| Ch 40 | 1920-21 | The Leas, Zigzag Path, Folkestone, Kent |
| Ch 34 | 1911-32 | The Node, Welwyn, Hertfordshire |
| Ch 44 | 2005-10 | The Power of the Internet |
| Ch 2a | 1842-62 | The Second Generation – Part 1 |
| Ch 2b | 1845-70 | The Second Generation – Part 2 |
| Mar-13 | 1859-60 | Tisbury, Wiltshire – Fonthill Abbey |
| Nov-11 | 1871 | Titsey Place – Oxted, Surrey |
| Ch 5 | 1862-64 | Tunbridge Wells – Dunorlan Park |
| Ch 12 | 1881-92 | Waddesdon Manor, Buckinghamshire |
| Ch 2b | 1855 | Ware – Cemetery Chapel |
| CH 1 | 1841 | Ware – Thunder Hall |
| Aug-15 | 1880 | Ware Park Manor – Hertford, Hertfordshire |
| Feb-14 | 1865-92 | Ware, Hertfordshire – Poles Park |
| Ch 32 | 1908-12 | Warren House, Kingston-upon-Thames, Surrey |
| Ch 33 | 1911-15 | Watergardens, The, Kingston-upon-Thames, Surrey |
| Feb-16 | 1891 | Watfrod, Hertfordshire – Carpenders Park |
| May-13 | 1862-67 | Welbeck Abbey – Worksop, Nottinghamshire |
| Oct-12 | 1859 | Welwyn, Hertfordshire – Danesbury Park |
| Ch 34 | 1911-32 | Welwyn, Hertfordshire – The Node |
| Ch 2a | 1844-45 | West Hyde – Church of St Thomas of Canterbury |
| Feb-13 | 1874-75 | Westonbirt Manor – Tetbury, Gloucestershire |
| Mar-15 | 1878 | Wigan, Lancashire – Mesnes Park |
| Mat-15 | 1879-85 | Wokingham, Berkshire – Bearwood College |
| Ch 1 | 1793-1824 | Woodridge – The Early Years |
| May-13 | 1862-67 | Worksop, Nottinghamshire – Welbeck Abbey |
| Ch 15 | 1885-86 | Worth Park, Crawley, West Sussex |
| Dec-12 | 1896-97 | Wotton House – Dorking, Surrey |