Finding extended homes…
These only choose where you start. Every page and every lens is still one tap away.
Sign in to keep them on every device →Finding extended homes…
Homes within 1 km whose energy certificates show the floor area growing: extensions, loft and garage conversions. Tap a home on the map or in the list for its full history. Back to RM14 3HJ
Not every extension shows here. We only see building work when a new energy certificate is lodged, which happens when a home is sold, let or newly built. A loft or extension added since then won't appear, even with planning permission and building control sign-off, because those records aren't published as open data outside London. Missing work doesn't mean missing paperwork.
| Home | Before | After | Added | Recorded |
|---|---|---|---|---|
| 57, Hall Lane938 m away | 135 m² | 329 m² | +194 m² +144% | 2022 |
| 55, Hall Lane938 m away | 138 m² | 324 m² | +186 m² +135% | 2022 |
| 31, Courtenay Gardens732 m away | 127 m² | 267 m² | +140 m² +110% | 2021 |
| 17, Coniston Avenue944 m away | 100 m² | 223 m² | +123 m² +123% | 2015 |
| 67, Park Drive685 m away | 122 m² | 233 m² | +111 m² +91% | 2016 |
| 76, Deyncourt Gardens481 m away | 104 m² | 205 m² | +101 m² +97% | 2018 |
| 1a, Courtenay Gardens732 m away | 112 m² | 213 m² | +101 m² +90% | 2018 |
| 26, Eversleigh Gardens666 m away | 78 m² | 178 m² | +100 m² +128% | 2024 |
| 45, Westbury Terrace870 m away |
From energy performance certificates (MHCLG): a later certificate shows at least 15 m² and 15% more floor area than an earlier one (and no more than 2.5 times, to leave out typing errors). Some changes come from a more careful measurement rather than building work. Addresses: HM Land Registry. Contains HM Land Registry data © Crown copyright and database right 2026, OGL v3.0.
| 86 m² |
| 178 m² |
| +92 m² +107% |
| 2023 |
| 102, Argyle Gardens507 m away | 78 m² | 170 m² | +92 m² +118% | 2017 |
|---|
| 48, St Albans Avenue929 m away | 74 m² | 165 m² | +91 m² +123% | 2025 |
|---|
| 48, Ingrebourne Gardens826 m away | 102 m² | 193 m² | +91 m² +89% | 2023 |
|---|
| 21, Eversleigh Gardens633 m away | 80 m² | 170 m² | +90 m² +113% | 2021 |
|---|
| 54, Marlborough Gardens930 m away | 229 m² | 319 m² | +90 m² +39% | 2017 |
|---|
| 21, Cedar Gardens245 m away | 124 m² | 209 m² | +85 m² +69% | 2024 |
|---|
| 133, Springfield Gardens351 m away | 109 m² | 192 m² | +83 m² +76% | 2026 |
|---|
| 29, St Albans Avenue892 m away | 68 m² | 150 m² | +82 m² +121% | 2023 |
|---|
| 1, Leasway702 m away | 80 m² | 152 m² | +72 m² +90% | 2024 |
|---|
| 2b, Grosvenor Gardens656 m away | 153 m² | 225 m² | +72 m² +47% | 2022 |
|---|
| 25, Meadow Way785 m away | 79 m² | 151 m² | +72 m² +91% | 2022 |
|---|
| 37, Argyle Gardens81 m away | 81 m² | 149 m² | +68 m² +84% | 2023 |
|---|
| 47, Brackendale Gardens919 m away | 74 m² | 142 m² | +68 m² +92% | 2020 |
|---|
| 15, Eversleigh Gardens633 m away | 96 m² | 163 m² | +67 m² +70% | 2026 |
|---|
| 41, Deyncourt Gardens481 m away | 119 m² | 185 m² | +66 m² +55% | 2025 |
|---|
| 42, St Albans Avenue929 m away | 74 m² | 140 m² | +66 m² +89% | 2015 |
|---|
| 13, Marlborough Gardens966 m away | 79 m² | 144 m² | +65 m² +82% | 2022 |
|---|
| 86, Deyncourt Gardens470 m away | 108 m² | 172 m² | +64 m² +59% | 2023 |
|---|
| 13, Coniston Avenue944 m away | 97 m² | 161 m² | +64 m² +66% | 2019 |
|---|
| 3, Coniston Avenue944 m away | 104 m² | 167 m² | +63 m² +61% | 2025 |
|---|
| 42, Eversleigh Gardens666 m away | 90 m² | 151 m² | +61 m² +68% | 2024 |
|---|
| 39, Grosvenor Gardens683 m away | 120 m² | 181 m² | +61 m² +51% | 2022 |
|---|
| 121, Park Drive646 m away | 195 m² | 255 m² | +60 m² +31% | 2019 |
|---|
| 41, Engayne Gardens944 m away | 121 m² | 181 m² | +60 m² +50% | 2012 |
|---|
| 126, Howard Road265 m away | 62 m² | 121 m² | +59 m² +95% | 2023 |
|---|
| 82, Sunnyside Gardens335 m away | 86 m² | 144 m² | +58 m² +67% | 2025 |
|---|
| 55, Cranston Park Avenue876 m away | 106 m² | 164 m² | +58 m² +55% | 2025 |
|---|
| 98, Howard Road265 m away | 47 m² | 104 m² | +57 m² +121% | 2015 |
|---|
| 34, Argyle Gardens0 m away | 142 m² | 198 m² | +56 m² +39% | 2025 |
|---|
| 4, Champion Road798 m away | 99 m² | 155 m² | +56 m² +57% | 2025 |
|---|
| 31, Leasway702 m away | 120 m² | 176 m² | +56 m² +47% | 2024 |
|---|
| 21, Springfield Gardens597 m away | 114 m² | 170 m² | +56 m² +49% | 2018 |
|---|
| 120, Howard Road265 m away | 51 m² | 106 m² | +55 m² +108% | 2024 |
|---|
| 1, Ashvale Drive738 m away | 84 m² | 139 m² | +55 m² +65% | 2024 |
|---|
| 11, Leasway702 m away | 103 m² | 158 m² | +55 m² +53% | 2022 |
|---|
| 4, Westbury Terrace870 m away | 79 m² | 133 m² | +54 m² +68% | 2024 |
|---|
| 1, Latham Place725 m away | 351 m² | 405 m² | +54 m² +15% | 2023 |
|---|
| 80, Argyle Gardens254 m away | 75 m² | 128 m² | +53 m² +71% | 2024 |
|---|
| 28, Sunnyside Gardens502 m away | 127 m² | 180 m² | +53 m² +42% | 2020 |
|---|
| 1, Marlborough Gardens966 m away | 97 m² | 150 m² | +53 m² +55% | 2020 |
|---|
| 9, Grosvenor Gardens683 m away | 318 m² | 371 m² | +53 m² +17% | 2019 |
|---|
| 5, Aylett Road274 m away | 85 m² | 138 m² | +53 m² +62% | 2018 |
|---|
| 53, Argyle Gardens81 m away | 81 m² | 133 m² | +52 m² +64% | 2021 |
|---|
| 151, Howard Road296 m away | 121 m² | 173 m² | +52 m² +43% | 2020 |
|---|
| 13, Springfield Gardens597 m away | 123 m² | 174 m² | +51 m² +41% | 2026 |
|---|
| 3, Chester Avenue808 m away | 100 m² | 151 m² | +51 m² +51% | 2024 |
|---|
| 54, Deyncourt Gardens481 m away | 139 m² | 189 m² | +50 m² +36% | 2022 |
|---|
| 97, Ingrebourne Gardens849 m away | 113 m² | 161 m² | +48 m² +42% | 2026 |
|---|
| 74, Coniston Avenue810 m away | 123 m² | 171 m² | +48 m² +39% | 2020 |
|---|
| 52, Derham Gardens241 m away | 76 m² | 122 m² | +46 m² +61% | 2023 |
|---|
| 6, Rectory Gardens583 m away | 159 m² | 205 m² | +46 m² +29% | 2023 |
|---|
| 5, Ashleigh Gardens496 m away | 122 m² | 167 m² | +45 m² +37% | 2022 |
|---|
| 37, Stewart Avenue978 m away | 144 m² | 189 m² | +45 m² +31% | 2018 |
|---|
| 20, Sunnyside Gardens502 m away | 99 m² | 143 m² | +44 m² +44% | 2025 |
|---|
| 100, Corbets Tey Road919 m away | 103 m² | 147 m² | +44 m² +43% | 2016 |
|---|
| 9, Cranborne Gardens852 m away | 101 m² | 143 m² | +42 m² +42% | 2022 |
|---|
| 11, Marlborough Gardens966 m away | 124 m² | 165 m² | +41 m² +33% | 2024 |
|---|
| 131, Howard Road296 m away | 65 m² | 106 m² | +41 m² +63% | 2023 |
|---|
| 48, Springfield Gardens480 m away | 153 m² | 193 m² | +40 m² +26% | 2026 |
|---|
| 59, Howard Road462 m away | 72 m² | 112 m² | +40 m² +56% | 2023 |
|---|
| 9, Garbutt Road318 m away | 71 m² | 111 m² | +40 m² +56% | 2022 |
|---|
| 99, Howard Road296 m away | 49 m² | 88 m² | +39 m² +80% | 2021 |
|---|
| 8, Branfill Road726 m away | 91 m² | 129 m² | +38 m² +42% | 2025 |
|---|
| 123, Howard Road296 m away | 55 m² | 93 m² | +38 m² +69% | 2020 |
|---|
| 15, Lichfield Terrace954 m away | 95 m² | 133 m² | +38 m² +40% | 2016 |
|---|
| 83, Sunnyside Gardens299 m away | 94 m² | 131 m² | +37 m² +39% | 2024 |
|---|
| 23, Eversleigh Gardens633 m away | 117 m² | 154 m² | +37 m² +32% | 2021 |
|---|
| 46, Sunnyside Gardens502 m away | 95 m² | 132 m² | +37 m² +39% | 2018 |
|---|
| 108, Cranston Park Avenue910 m away | 81 m² | 118 m² | +37 m² +46% | 2018 |
|---|
| 28, Front Lane654 m away | 99 m² | 135 m² | +36 m² +36% | 2022 |
|---|
| 107, Springfield Gardens370 m away | 100 m² | 136 m² | +36 m² +36% | 2016 |
|---|
| 79, St Lawrence Road431 m away | 78 m² | 112 m² | +34 m² +44% | 2026 |
|---|
| 83, St Lawrence Road431 m away | 67 m² | 101 m² | +34 m² +51% | 2025 |
|---|
| 44, Hall Lane938 m away | 199 m² | 233 m² | +34 m² +17% | 2019 |
|---|
| 27, Deyncourt Gardens481 m away | 120 m² | 154 m² | +34 m² +28% | 2014 |
|---|
| 109, Howard Road296 m away | 64 m² | 97 m² | +33 m² +52% | 2025 |
|---|
| 369, St Mary'S Lane412 m away | 111 m² | 144 m² | +33 m² +30% | 2025 |
|---|
| 13, Brackendale Gardens833 m away | 111 m² | 144 m² | +33 m² +30% | 2025 |
|---|
| 125, Argyle Gardens254 m away | 103 m² | 136 m² | +33 m² +32% | 2024 |
|---|
| 11, New Place Gardens75 m away | 150 m² | 183 m² | +33 m² +22% | 2011 |
|---|
| 2a, Grosvenor Gardens656 m away | 199 m² | 231 m² | +32 m² +16% | 2019 |
|---|
| 61a, Corbets Tey Road687 m away | 79 m² | 110 m² | +31 m² +39% | 2021 |
|---|
| 116, Corbets Tey Road919 m away | 133 m² | 164 m² | +31 m² +23% | 2018 |
|---|
| 115, Front Lane994 m away | 69 m² | 100 m² | +31 m² +45% | 2018 |
|---|
| 8, Cedar Gardens245 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 18, Ashvale Gardens882 m away | 89 m² | 119 m² | +30 m² +34% | 2023 |
|---|
| 14, Roxburgh Avenue521 m away | 152 m² | 182 m² | +30 m² +20% | 2018 |
|---|
| 27, Cranborne Gardens852 m away | 103 m² | 133 m² | +30 m² +29% | 2014 |
|---|
| 183, Howard Road296 m away | 102 m² | 131 m² | +29 m² +28% | 2026 |
|---|
| 35, Eversleigh Gardens633 m away | 120 m² | 149 m² | +29 m² +24% | 2022 |
|---|
| 8, Claremont Gardens658 m away | 189 m² | 218 m² | +29 m² +15% | 2021 |
|---|
| 14, St Albans Avenue929 m away | 91 m² | 119 m² | +28 m² +31% | 2026 |
|---|
| 57, Waldegrave Gardens993 m away | 118 m² | 146 m² | +28 m² +24% | 2022 |
|---|
| 10, Argyle Gardens0 m away | 80 m² | 108 m² | +28 m² +35% | 2021 |
|---|
| 1a, Station Road626 m away | 67 m² | 94 m² | +27 m² +40% | 2022 |
|---|
| 12, Garbutt Road318 m away | 71 m² | 98 m² | +27 m² +38% | 2020 |
|---|
| 13, Holden Way919 m away | 170 m² | 197 m² | +27 m² +16% | 2020 |
|---|
| 18, Ashleigh Gardens496 m away | 74 m² | 101 m² | +27 m² +36% | 2014 |
|---|
| 20, Howard Road442 m away | 82 m² | 109 m² | +27 m² +33% | 2010 |
|---|
| 5, Melstock Avenue986 m away | 94 m² | 120 m² | +26 m² +28% | 2026 |
|---|
| 19, St Albans Avenue892 m away | 97 m² | 123 m² | +26 m² +27% | 2024 |
|---|
| 41, Ingrebourne Gardens858 m away | 152 m² | 178 m² | +26 m² +17% | 2015 |
|---|
| 17, Fairfield Avenue632 m away | 128 m² | 153 m² | +25 m² +20% | 2025 |
|---|
| 145, Corbets Tey Road879 m away | 139 m² | 164 m² | +25 m² +18% | 2025 |
|---|
| 56, Sunnyside Gardens502 m away | 124 m² | 149 m² | +25 m² +20% | 2020 |
|---|
| 8, Derham Gardens241 m away | 89 m² | 114 m² | +25 m² +28% | 2014 |
|---|
| 124, Argyle Gardens507 m away | 86 m² | 110 m² | +24 m² +28% | 2023 |
|---|
| 6, Cedar Gardens245 m away | 108 m² | 132 m² | +24 m² +22% | 2021 |
|---|
| 4, Gaynes Road682 m away | 90 m² | 114 m² | +24 m² +27% | 2021 |
|---|
| 68, Station Road601 m away | 53 m² | 76 m² | +23 m² +43% | 2023 |
|---|
| 38a, Corbets Tey Road783 m away | 61 m² | 84 m² | +23 m² +38% | 2023 |
|---|
| 28, Tudor Gardens397 m away | 141 m² | 164 m² | +23 m² +16% | 2021 |
|---|
| 55, Springfield Gardens480 m away | 110 m² | 133 m² | +23 m² +21% | 2020 |
|---|
| 2, Champion Road798 m away | 92 m² | 115 m² | +23 m² +25% | 2013 |
|---|
| 8, Howard Road442 m away | 83 m² | 105 m² | +22 m² +27% | 2025 |
|---|
| 119, Sunnyside Gardens299 m away | 119 m² | 141 m² | +22 m² +18% | 2024 |
|---|
| 75, St Lawrence Road431 m away | 95 m² | 117 m² | +22 m² +23% | 2022 |
|---|
| 12, Fairfield Avenue629 m away | 72 m² | 94 m² | +22 m² +31% | 2021 |
|---|
| 103, Park Drive661 m away | 78 m² | 100 m² | +22 m² +28% | 2021 |
|---|
| 17, Gaynes Road682 m away | 103 m² | 125 m² | +22 m² +21% | 2021 |
|---|
| 10, Chester Avenue842 m away | 83 m² | 105 m² | +22 m² +27% | 2018 |
|---|
| 20, Moor Lane973 m away | 65 m² | 87 m² | +22 m² +34% | 2014 |
|---|
| 30, Brackendale Gardens919 m away | 95 m² | 117 m² | +22 m² +23% | 2012 |
|---|
| 31, Westbury Terrace870 m away | 75 m² | 96 m² | +21 m² +28% | 2024 |
|---|
| 1, Brackendale Gardens833 m away | 124 m² | 145 m² | +21 m² +17% | 2022 |
|---|
| 48, Eversleigh Gardens666 m away | 115 m² | 136 m² | +21 m² +18% | 2018 |
|---|
| 13, Howard Road462 m away | 100 m² | 121 m² | +21 m² +21% | 2014 |
|---|
| 132, Cranston Park Avenue708 m away | 94 m² | 115 m² | +21 m² +22% | 2013 |
|---|
| 76, Ingrebourne Gardens846 m away | 129 m² | 150 m² | +21 m² +16% | 2009 |
|---|
| 19, Meadow Way785 m away | 113 m² | 133 m² | +20 m² +18% | 2025 |
|---|
| 129, Howard Road296 m away | 48 m² | 68 m² | +20 m² +42% | 2020 |
|---|
| 32, Courtenay Gardens682 m away | 103 m² | 123 m² | +20 m² +19% | 2018 |
|---|
| 69, St Lawrence Road431 m away | 40 m² | 60 m² | +20 m² +50% | 2016 |
|---|
| 8a, Willow Parade969 m away | 32 m² | 52 m² | +20 m² +63% | 2016 |
|---|
| 15, Sunnyside Gardens453 m away | 88 m² | 108 m² | +20 m² +23% | 2012 |
|---|
| 109, Front Lane994 m away | 100 m² | 120 m² | +20 m² +20% | 2011 |
|---|
| 44, Westbury Terrace870 m away | 80 m² | 99 m² | +19 m² +24% | 2021 |
|---|
| 3, St Lawrence Road431 m away | 68 m² | 86 m² | +18 m² +26% | 2016 |
|---|
| 14, Ashvale Gardens882 m away | 79 m² | 97 m² | +18 m² +23% | 2016 |
|---|
| 50, Argyle Gardens0 m away | 96 m² | 114 m² | +18 m² +19% | 2013 |
|---|
| 19, Gaynes Road682 m away | 104 m² | 121 m² | +17 m² +16% | 2026 |
|---|
| 6, Howard Road442 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
|---|
| 6, Elm Avenue978 m away | 93 m² | 110 m² | +17 m² +18% | 2020 |
|---|
| 1, St Lawrence Road431 m away | 83 m² | 99 m² | +16 m² +19% | 2020 |
|---|
| 105, Sunnyside Gardens299 m away | 83 m² | 99 m² | +16 m² +19% | 2015 |
|---|
| 33, St Albans Avenue892 m away | 75 m² | 90 m² | +15 m² +20% | 2020 |
|---|
| 283, St Marys Lane202 m away | 64 m² | 79 m² | +15 m² +23% | 2017 |
|---|