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 RG9 1HX
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 |
|---|---|---|---|---|
| High Leas, Rotherfield Road567 m away | 457 m² | 976 m² | +519 m² +114% | 2024 |
| 22, Rotherfield Road476 m away | 249 m² | 422 m² | +173 m² +69% | 2025 |
| Manor End, Peppard Lane572 m away | 142 m² | 309 m² | +167 m² +118% | 2024 |
| 28, Western Road244 m away | 145 m² | 307 m² | +162 m² +112% | 2026 |
| 1, Cromwell Close209 m away | 94 m² | 227 m² | +133 m² +141% | 2026 |
| Grovelands, St Andrews Road529 m away | 133 m² | 262 m² | +129 m² +97% | 2014 |
| 77, St Marks Road292 m away | 83 m² | 205 m² | +122 m² +147% | 2018 |
| 82, St Andrews Road381 m away | 160 m² | 279 m² | +119 m² +74% | 2016 |
| 72a, St Marks Road323 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.
| 102 m² |
| 220 m² |
| +118 m² +116% |
| 2014 |
| Field House, 43, Deanfield Avenue770 m away | 209 m² | 325 m² | +116 m² +56% | 2024 |
|---|
| Hillcrest, Peppard Lane559 m away | 113 m² | 222 m² | +109 m² +96% | 2025 |
|---|
| 72, St Marks Road323 m away | 121 m² | 225 m² | +104 m² +86% | 2014 |
|---|
| 36, Perpetual House, Station Road673 m away | 87 m² | 187 m² | +100 m² +115% | 2020 |
|---|
| Appletree Lodge, Normanstead390 m away | 161 m² | 260 m² | +99 m² +61% | 2015 |
|---|
| 73, Blandy Road753 m away | 128 m² | 226 m² | +98 m² +77% | 2021 |
|---|
| 45, Berkshire Road481 m away | 159 m² | 249 m² | +90 m² +57% | 2019 |
|---|
| 48, Berkshire Road392 m away | 91 m² | 180 m² | +89 m² +98% | 2024 |
|---|
| 46, Cromwell Road246 m away | 141 m² | 229 m² | +88 m² +62% | 2025 |
|---|
| 55, St Marks Road292 m away | 126 m² | 214 m² | +88 m² +70% | 2022 |
|---|
| 2, St Andrews Road247 m away | 102 m² | 187 m² | +85 m² +83% | 2016 |
|---|
| 11, St Marks Road286 m away | 126 m² | 210 m² | +84 m² +67% | 2025 |
|---|
| 14, Wilson Avenue336 m away | 71 m² | 155 m² | +84 m² +118% | 2018 |
|---|
| 28, Coldharbour Close765 m away | 163 m² | 243 m² | +80 m² +49% | 2020 |
|---|
| 22, Belle Vue Road332 m away | 107 m² | 185 m² | +78 m² +73% | 2020 |
|---|
| Flat 1, 3, River Terrace733 m away | 62 m² | 138 m² | +76 m² +123% | 2026 |
|---|
| 34, Western Road244 m away | 157 m² | 233 m² | +76 m² +48% | 2021 |
|---|
| Monaco, Wargrave Road912 m away | 55 m² | 130 m² | +75 m² +136% | 2025 |
|---|
| 27, Belle Vue Road302 m away | 94 m² | 166 m² | +72 m² +77% | 2020 |
|---|
| 54, Berkshire Road481 m away | 145 m² | 213 m² | +68 m² +47% | 2019 |
|---|
| 18, Haywards Close738 m away | 112 m² | 179 m² | +67 m² +60% | 2018 |
|---|
| 56, Greys Hill556 m away | 89 m² | 155 m² | +66 m² +74% | 2015 |
|---|
| 4, Wootton Road914 m away | 161 m² | 226 m² | +65 m² +40% | 2024 |
|---|
| 11, Vicarage Road306 m away | 125 m² | 190 m² | +65 m² +52% | 2014 |
|---|
| 4, Walton Avenue154 m away | 132 m² | 196 m² | +64 m² +48% | 2022 |
|---|
| Flat 1, 74, St Marks Road323 m away | 130 m² | 191 m² | +61 m² +47% | 2020 |
|---|
| 76, Greys Road615 m away | 54 m² | 115 m² | +61 m² +113% | 2017 |
|---|
| 15, Cromwell Road246 m away | 98 m² | 157 m² | +59 m² +60% | 2011 |
|---|
| Landfall, St Andrews Road689 m away | 257 m² | 313 m² | +56 m² +22% | 2016 |
|---|
| 51, Upton Close456 m away | 44 m² | 98 m² | +54 m² +123% | 2023 |
|---|
| 69, St Marks Road292 m away | 197 m² | 251 m² | +54 m² +27% | 2022 |
|---|
| 46, Rotherfield Road476 m away | 239 m² | 293 m² | +54 m² +23% | 2022 |
|---|
| 31, Greys Road708 m away | 213 m² | 266 m² | +53 m² +25% | 2019 |
|---|
| 39, Berkshire Road481 m away | 124 m² | 177 m² | +53 m² +43% | 2013 |
|---|
| 20a, Niagara Road271 m away | 62 m² | 113 m² | +51 m² +82% | 2026 |
|---|
| 19, St Andrews Road110 m away | 86 m² | 137 m² | +51 m² +59% | 2024 |
|---|
| 45, St Andrews Road194 m away | 151 m² | 201 m² | +50 m² +33% | 2020 |
|---|
| 209, Greys Road517 m away | 42 m² | 92 m² | +50 m² +119% | 2017 |
|---|
| 38, Queen Street666 m away | 134 m² | 183 m² | +49 m² +37% | 2025 |
|---|
| 12, Coldharbour Close765 m away | 116 m² | 165 m² | +49 m² +42% | 2021 |
|---|
| 31, Belle Vue Road302 m away | 157 m² | 205 m² | +48 m² +31% | 2023 |
|---|
| 56, Deanfield Road813 m away | 101 m² | 149 m² | +48 m² +48% | 2015 |
|---|
| 31a, Deanfield Avenue770 m away | 136 m² | 181 m² | +45 m² +33% | 2023 |
|---|
| 24, Queen Street666 m away | 90 m² | 134 m² | +44 m² +49% | 2025 |
|---|
| 2, Norman Avenue501 m away | 176 m² | 220 m² | +44 m² +25% | 2023 |
|---|
| 70, St Marks Road323 m away | 121 m² | 165 m² | +44 m² +36% | 2020 |
|---|
| 131, Reading Road290 m away | 87 m² | 129 m² | +42 m² +48% | 2025 |
|---|
| 71, St Andrews Road529 m away | 177 m² | 219 m² | +42 m² +24% | 2022 |
|---|
| 6, Western Road135 m away | 183 m² | 225 m² | +42 m² +23% | 2016 |
|---|
| 9, Haywards Close738 m away | 112 m² | 153 m² | +41 m² +37% | 2026 |
|---|
| 18, St Andrews Road141 m away | 208 m² | 249 m² | +41 m² +20% | 2025 |
|---|
| 26, Niagara Road271 m away | 76 m² | 116 m² | +40 m² +53% | 2023 |
|---|
| 39, St Marks Road292 m away | 176 m² | 215 m² | +39 m² +22% | 2015 |
|---|
| 17, Haywards Close738 m away | 115 m² | 153 m² | +38 m² +33% | 2024 |
|---|
| 50, Wilson Avenue336 m away | 35 m² | 72 m² | +37 m² +106% | 2024 |
|---|
| 8, Wyndale Close497 m away | 89 m² | 126 m² | +37 m² +42% | 2020 |
|---|
| 29, Leaver Road858 m away | 35 m² | 72 m² | +37 m² +106% | 2014 |
|---|
| Highlands, St Andrews Road529 m away | 223 m² | 259 m² | +36 m² +16% | 2014 |
|---|
| 8, Wilson Avenue336 m away | 84 m² | 119 m² | +35 m² +42% | 2024 |
|---|
| 38, King James Way891 m away | 75 m² | 110 m² | +35 m² +47% | 2023 |
|---|
| 10, Gravel Hill917 m away | 72 m² | 107 m² | +35 m² +49% | 2023 |
|---|
| 8, Norman Avenue501 m away | 218 m² | 253 m² | +35 m² +16% | 2020 |
|---|
| 74, Greys Road615 m away | 56 m² | 91 m² | +35 m² +63% | 2012 |
|---|
| 87, St Andrews Road757 m away | 158 m² | 192 m² | +34 m² +22% | 2021 |
|---|
| 47, Deanfield Road744 m away | 121 m² | 155 m² | +34 m² +28% | 2015 |
|---|
| 30, Thamesfield, Wargrave Road827 m away | 35 m² | 68 m² | +33 m² +94% | 2024 |
|---|
| 22, Western Road135 m away | 134 m² | 167 m² | +33 m² +25% | 2023 |
|---|
| 99, Deanfield Road813 m away | 126 m² | 159 m² | +33 m² +26% | 2021 |
|---|
| 55, St Andrews Road331 m away | 193 m² | 226 m² | +33 m² +17% | 2019 |
|---|
| 88, Vicarage Road186 m away | 126 m² | 159 m² | +33 m² +26% | 2014 |
|---|
| 10, St Marks Road324 m away | 110 m² | 143 m² | +33 m² +30% | 2012 |
|---|
| 16, Berkshire Road392 m away | 144 m² | 176 m² | +32 m² +22% | 2023 |
|---|
| 9, Vicarage Road306 m away | 151 m² | 183 m² | +32 m² +21% | 2018 |
|---|
| 66, West Street948 m away | 60 m² | 92 m² | +32 m² +53% | 2018 |
|---|
| 64, Greys Road615 m away | 87 m² | 118 m² | +31 m² +36% | 2026 |
|---|
| 20, Haywards Close738 m away | 121 m² | 152 m² | +31 m² +26% | 2022 |
|---|
| 1, Boston Road256 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
|---|
| 35, Friday Street771 m away | 54 m² | 85 m² | +31 m² +57% | 2016 |
|---|
| 11, Marmion Road335 m away | 98 m² | 128 m² | +30 m² +31% | 2026 |
|---|
| 50, St Marks Road323 m away | 185 m² | 215 m² | +30 m² +16% | 2023 |
|---|
| 8, Grove Road355 m away | 68 m² | 98 m² | +30 m² +44% | 2021 |
|---|
| 186, Reading Road340 m away | 94 m² | 124 m² | +30 m² +32% | 2019 |
|---|
| 29, Gainsborough Hill600 m away | 95 m² | 125 m² | +30 m² +32% | 2019 |
|---|
| 10, Hamilton Avenue386 m away | 156 m² | 186 m² | +30 m² +19% | 2018 |
|---|
| 14, Queen Street666 m away | 104 m² | 134 m² | +30 m² +29% | 2018 |
|---|
| 92, Reading Road263 m away | 98 m² | 128 m² | +30 m² +31% | 2014 |
|---|
| 20, Manor Road530 m away | 89 m² | 118 m² | +29 m² +33% | 2023 |
|---|
| 39, Milton Close905 m away | 100 m² | 129 m² | +29 m² +29% | 2022 |
|---|
| 155, Reading Road300 m away | 126 m² | 155 m² | +29 m² +23% | 2021 |
|---|
| 15, Vicarage Road306 m away | 153 m² | 182 m² | +29 m² +19% | 2016 |
|---|
| 29, The Close474 m away | 67 m² | 95 m² | +28 m² +42% | 2023 |
|---|
| 26, Duke Street808 m away | 47 m² | 75 m² | +28 m² +60% | 2020 |
|---|
| 34, St Andrews Road141 m away | 159 m² | 187 m² | +28 m² +18% | 2017 |
|---|
| 32, Albert Road609 m away | 60 m² | 88 m² | +28 m² +47% | 2014 |
|---|
| 39, St Andrews Road194 m away | 142 m² | 169 m² | +27 m² +19% | 2026 |
|---|
| 37, Greys Road708 m away | 137 m² | 164 m² | +27 m² +20% | 2026 |
|---|
| 5, Boston Road256 m away | 62 m² | 89 m² | +27 m² +44% | 2024 |
|---|
| 6, Harcourt Close775 m away | 153 m² | 180 m² | +27 m² +18% | 2023 |
|---|
| 25, Western Avenue107 m away | 95 m² | 122 m² | +27 m² +28% | 2022 |
|---|
| 54b, Friday Street749 m away | 43 m² | 69 m² | +26 m² +60% | 2024 |
|---|
| 10, Grange Road418 m away | 93 m² | 119 m² | +26 m² +28% | 2023 |
|---|
| 18, Greys Hill556 m away | 50 m² | 76 m² | +26 m² +52% | 2019 |
|---|
| Mia, Western Avenue107 m away | 96 m² | 122 m² | +26 m² +27% | 2015 |
|---|
| 112, Reading Road263 m away | 103 m² | 129 m² | +26 m² +25% | 2015 |
|---|
| 14, Upton Close388 m away | 86 m² | 111 m² | +25 m² +29% | 2026 |
|---|
| Holly Lodge, Norman Avenue501 m away | 80 m² | 105 m² | +25 m² +31% | 2022 |
|---|
| 231, Greys Road739 m away | 159 m² | 184 m² | +25 m² +16% | 2020 |
|---|
| 20b, Queen Street666 m away | 146 m² | 171 m² | +25 m² +17% | 2019 |
|---|
| 160, Reading Road340 m away | 115 m² | 139 m² | +24 m² +21% | 2026 |
|---|
| 47, King James Way891 m away | 67 m² | 91 m² | +24 m² +36% | 2026 |
|---|
| 62, Deanfield Road813 m away | 140 m² | 164 m² | +24 m² +17% | 2022 |
|---|
| 44, Ancastle Green971 m away | 79 m² | 102 m² | +23 m² +29% | 2026 |
|---|
| 3, Cromwell Close209 m away | 113 m² | 136 m² | +23 m² +20% | 2025 |
|---|
| 25, Belle Vue Road302 m away | 116 m² | 139 m² | +23 m² +20% | 2025 |
|---|
| 6, Periam Close987 m away | 58 m² | 81 m² | +23 m² +40% | 2013 |
|---|
| 26, Deanfield Road744 m away | 134 m² | 157 m² | +23 m² +17% | 2010 |
|---|
| 54, Upton Close456 m away | 109 m² | 131 m² | +22 m² +20% | 2024 |
|---|
| 14, Albert Road609 m away | 91 m² | 113 m² | +22 m² +24% | 2023 |
|---|
| 43, Gainsborough Road693 m away | 73 m² | 95 m² | +22 m² +30% | 2023 |
|---|
| 17, Niagara Road271 m away | 63 m² | 85 m² | +22 m² +35% | 2022 |
|---|
| 18, Gainsborough Road651 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
|---|
| 16, Park Road409 m away | 64 m² | 86 m² | +22 m² +34% | 2020 |
|---|
| 9, Niagara Road271 m away | 72 m² | 94 m² | +22 m² +31% | 2019 |
|---|
| 8, Leaver Road858 m away | 42 m² | 64 m² | +22 m² +52% | 2019 |
|---|
| 14, St Marks Road324 m away | 99 m² | 121 m² | +22 m² +22% | 2016 |
|---|
| 12, Grange Road418 m away | 93 m² | 115 m² | +22 m² +24% | 2016 |
|---|
| 8, Greys Hill556 m away | 50 m² | 72 m² | +22 m² +44% | 2012 |
|---|
| 10, Damer Gardens0 m away | 99 m² | 120 m² | +21 m² +21% | 2026 |
|---|
| 15, Albert Road609 m away | 79 m² | 100 m² | +21 m² +27% | 2022 |
|---|
| 2, Lime Court221 m away | 76 m² | 97 m² | +21 m² +28% | 2021 |
|---|
| 20, Western Avenue107 m away | 81 m² | 102 m² | +21 m² +26% | 2020 |
|---|
| 152, Reading Road340 m away | 90 m² | 111 m² | +21 m² +23% | 2019 |
|---|
| Island Cottage, Wargrave Road912 m away | 132 m² | 153 m² | +21 m² +16% | 2016 |
|---|
| 155, Greys Road548 m away | 68 m² | 89 m² | +21 m² +31% | 2015 |
|---|
| 11, Singers Close169 m away | 90 m² | 111 m² | +21 m² +23% | 2014 |
|---|
| 5, Sherwood Gardens847 m away | 57 m² | 78 m² | +21 m² +37% | 2014 |
|---|
| 49, Gravel Hill887 m away | 29 m² | 50 m² | +21 m² +72% | 2011 |
|---|
| 11, Henley Gate666 m away | 51 m² | 71 m² | +20 m² +39% | 2023 |
|---|
| 9, Henley Gate666 m away | 51 m² | 71 m² | +20 m² +39% | 2022 |
|---|
| 19, Gainsborough Road679 m away | 75 m² | 95 m² | +20 m² +27% | 2014 |
|---|
| 5, Deanfield Avenue770 m away | 106 m² | 126 m² | +20 m² +19% | 2013 |
|---|
| 29, Damer Gardens0 m away | 112 m² | 131 m² | +19 m² +17% | 2024 |
|---|
| 34, Wilson Avenue336 m away | 87 m² | 106 m² | +19 m² +22% | 2023 |
|---|
| 7, Greys Hill519 m away | 90 m² | 108 m² | +18 m² +20% | 2026 |
|---|
| The Tin Store, 1b, Niagara Road271 m away | 65 m² | 83 m² | +18 m² +28% | 2022 |
|---|
| Percy Cottage, 56, Market Place891 m away | 78 m² | 96 m² | +18 m² +23% | 2020 |
|---|
| 5, Walton Avenue154 m away | 88 m² | 106 m² | +18 m² +20% | 2019 |
|---|
| 13, Manor Road446 m away | 93 m² | 111 m² | +18 m² +19% | 2018 |
|---|
| 303, Reading Road473 m away | 58 m² | 76 m² | +18 m² +31% | 2016 |
|---|
| 80, Greys Hill519 m away | 65 m² | 82 m² | +17 m² +26% | 2021 |
|---|
| 37, Albert Road609 m away | 59 m² | 76 m² | +17 m² +29% | 2020 |
|---|
| 184, Reading Road340 m away | 107 m² | 124 m² | +17 m² +16% | 2013 |
|---|
| 1, Park Road390 m away | 60 m² | 77 m² | +17 m² +28% | 2011 |
|---|
| 1, Periam Close987 m away | 73 m² | 89 m² | +16 m² +22% | 2024 |
|---|
| 133, Greys Road548 m away | 62 m² | 78 m² | +16 m² +26% | 2022 |
|---|
| 18, Albert Road609 m away | 45 m² | 61 m² | +16 m² +36% | 2022 |
|---|
| 36, Albert Road609 m away | 59 m² | 75 m² | +16 m² +27% | 2015 |
|---|
| 46, Gravel Hill917 m away | 74 m² | 89 m² | +15 m² +20% | 2024 |
|---|
| 7, Niagara Road271 m away | 87 m² | 102 m² | +15 m² +17% | 2023 |
|---|
| 107, Greys Road597 m away | 58 m² | 73 m² | +15 m² +26% | 2022 |
|---|
| 7, Queen Street652 m away | 56 m² | 71 m² | +15 m² +27% | 2020 |
|---|
| 285a, Reading Road473 m away | 33 m² | 48 m² | +15 m² +45% | 2019 |
|---|
| 100, Greys Road775 m away | 88 m² | 103 m² | +15 m² +17% | 2019 |
|---|
| 7, Paradise Mews974 m away | 99 m² | 114 m² | +15 m² +15% | 2017 |
|---|
| 19, Damer Gardens0 m away | 86 m² | 101 m² | +15 m² +17% | 2016 |
|---|