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 RH12 1SG
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 |
|---|---|---|---|---|
| Abbots Lee, Farthings Hill920 m away | 224 m² | 526 m² | +302 m² +135% | 2011 |
| Little Thrift, Farthings Hill920 m away | 163 m² | 312 m² | +149 m² +91% | 2011 |
| 37, Worthing Road773 m away | 194 m² | 337 m² | +143 m² +74% | 2022 |
| Arun Lodge, Denne Road839 m away | 381 m² | 513 m² | +132 m² +35% | 2018 |
| 82, Irwin Drive534 m away | 106 m² | 207 m² | +101 m² +95% | 2022 |
| 59, Hill Mead337 m away | 81 m² | 177 m² | +96 m² +119% | 2022 |
| 101, Swindon Road895 m away | 153 m² | 240 m² | +87 m² +57% | 2016 |
| 52, Worthing Road580 m away | 86 m² | 168 m² | +82 m² +95% | 2018 |
| 62, Worthing Road773 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.
| 114 m² |
| 195 m² |
| +81 m² +71% |
| 2022 |
| 6a, Springfield Crescent332 m away | 72 m² | 152 m² | +80 m² +111% | 2017 |
|---|
| 37, Guildford Road465 m away | 136 m² | 209 m² | +73 m² +54% | 2024 |
|---|
| 38, Vale Drive309 m away | 55 m² | 126 m² | +71 m² +129% | 2020 |
|---|
| 115, Cootes Avenue724 m away | 59 m² | 125 m² | +66 m² +112% | 2016 |
|---|
| Willow Cottage, 21a, Cedar Close521 m away | 107 m² | 170 m² | +63 m² +59% | 2018 |
|---|
| 82, Guildford Road308 m away | 182 m² | 244 m² | +62 m² +34% | 2022 |
|---|
| 42, Hillside553 m away | 80 m² | 142 m² | +62 m² +78% | 2016 |
|---|
| 17, Blackbridge Lane142 m away | 71 m² | 132 m² | +61 m² +86% | 2013 |
|---|
| 76, Worthing Road773 m away | 170 m² | 230 m² | +60 m² +35% | 2025 |
|---|
| 68, Swindon Road938 m away | 87 m² | 144 m² | +57 m² +66% | 2012 |
|---|
| 2, Oliver Road772 m away | 167 m² | 222 m² | +55 m² +33% | 2020 |
|---|
| 36, Greenway467 m away | 106 m² | 158 m² | +52 m² +49% | 2026 |
|---|
| 10, Curzon Avenue176 m away | 97 m² | 148 m² | +51 m² +53% | 2026 |
|---|
| 20, Irwin Drive473 m away | 122 m² | 172 m² | +50 m² +41% | 2021 |
|---|
| 21, Springfield Park Road405 m away | 113 m² | 163 m² | +50 m² +44% | 2019 |
|---|
| 20, Spencers Road656 m away | 71 m² | 121 m² | +50 m² +70% | 2018 |
|---|
| Flat 4, Tanbridge House, Tanbridge Park413 m away | 122 m² | 171 m² | +49 m² +40% | 2018 |
|---|
| 104, Cootes Avenue685 m away | 74 m² | 122 m² | +48 m² +65% | 2022 |
|---|
| 5, West Street537 m away | 45 m² | 92 m² | +47 m² +104% | 2014 |
|---|
| 14, Oliver Road772 m away | 78 m² | 124 m² | +46 m² +59% | 2014 |
|---|
| 12, Denne Parade965 m away | 88 m² | 133 m² | +45 m² +51% | 2017 |
|---|
| 10, Springfield Park, North Parade720 m away | 104 m² | 148 m² | +44 m² +42% | 2022 |
|---|
| 37, Victory Road734 m away | 36 m² | 80 m² | +44 m² +122% | 2013 |
|---|
| 20, Nelson Road807 m away | 87 m² | 130 m² | +43 m² +49% | 2022 |
|---|
| 4, Hills Farm Lane633 m away | 178 m² | 220 m² | +42 m² +24% | 2022 |
|---|
| 38, Curzon Avenue176 m away | 51 m² | 93 m² | +42 m² +82% | 2018 |
|---|
| 16, Guildford Road94 m away | 94 m² | 135 m² | +41 m² +44% | 2022 |
|---|
| 10, Irwin Drive473 m away | 115 m² | 156 m² | +41 m² +36% | 2020 |
|---|
| 24, Spencers Road656 m away | 95 m² | 133 m² | +38 m² +40% | 2022 |
|---|
| 56, Homestream House, Mill Bay Lane531 m away | 37 m² | 75 m² | +38 m² +103% | 2018 |
|---|
| 37, Croft Way631 m away | 71 m² | 108 m² | +37 m² +52% | 2024 |
|---|
| 5, Fellcott Way961 m away | 74 m² | 111 m² | +37 m² +50% | 2022 |
|---|
| 21, Croft Way631 m away | 92 m² | 129 m² | +37 m² +40% | 2016 |
|---|
| 41, Kings Gate362 m away | 111 m² | 147 m² | +36 m² +32% | 2023 |
|---|
| 43, Curzon Avenue244 m away | 78 m² | 114 m² | +36 m² +46% | 2022 |
|---|
| 2, Press House, 16, Market Square761 m away | 60 m² | 96 m² | +36 m² +60% | 2015 |
|---|
| 50, Merryfield Drive462 m away | 106 m² | 140 m² | +34 m² +32% | 2026 |
|---|
| 22, Swindon Road938 m away | 102 m² | 136 m² | +34 m² +33% | 2026 |
|---|
| 27, Farm Avenue360 m away | 93 m² | 127 m² | +34 m² +37% | 2017 |
|---|
| 62, Swindon Road938 m away | 93 m² | 127 m² | +34 m² +37% | 2016 |
|---|
| 6, Riverside322 m away | 93 m² | 126 m² | +33 m² +35% | 2022 |
|---|
| 63, Curzon Avenue244 m away | 64 m² | 97 m² | +33 m² +52% | 2019 |
|---|
| 70, Merryfield Drive681 m away | 78 m² | 110 m² | +32 m² +41% | 2023 |
|---|
| 52, Hazelhurst Crescent893 m away | 83 m² | 115 m² | +32 m² +39% | 2022 |
|---|
| 2, Irwin Drive473 m away | 99 m² | 131 m² | +32 m² +32% | 2016 |
|---|
| 119, Rushams Road317 m away | 101 m² | 132 m² | +31 m² +31% | 2025 |
|---|
| 14, Greenway467 m away | 62 m² | 93 m² | +31 m² +50% | 2021 |
|---|
| 11a, Springfield Park Road405 m away | 105 m² | 136 m² | +31 m² +30% | 2019 |
|---|
| 24, Purton Road965 m away | 89 m² | 120 m² | +31 m² +35% | 2019 |
|---|
| 44, Rushams Road307 m away | 91 m² | 122 m² | +31 m² +34% | 2016 |
|---|
| 24, Denne Road839 m away | 127 m² | 158 m² | +31 m² +24% | 2013 |
|---|
| Harting, 118, Blackbridge Lane604 m away | 73 m² | 103 m² | +30 m² +41% | 2026 |
|---|
| 58, Worthing Road773 m away | 117 m² | 147 m² | +30 m² +26% | 2019 |
|---|
| 18, Madeira Avenue833 m away | 76 m² | 106 m² | +30 m² +39% | 2013 |
|---|
| 26, Swindon Road938 m away | 106 m² | 135 m² | +29 m² +27% | 2025 |
|---|
| 2, Milnwood Road912 m away | 170 m² | 199 m² | +29 m² +17% | 2024 |
|---|
| 2, Purton Road965 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| Chailey, Farthings Hill920 m away | 185 m² | 214 m² | +29 m² +16% | 2019 |
|---|
| 16, Cedar Close521 m away | 165 m² | 194 m² | +29 m² +18% | 2013 |
|---|
| 115, Rushams Road317 m away | 101 m² | 129 m² | +28 m² +28% | 2026 |
|---|
| 17, Madeira Avenue833 m away | 108 m² | 136 m² | +28 m² +26% | 2024 |
|---|
| 73, Cootes Avenue522 m away | 92 m² | 120 m² | +28 m² +30% | 2021 |
|---|
| 37, Vale Drive308 m away | 72 m² | 100 m² | +28 m² +39% | 2014 |
|---|
| 8, Trafalgar Road864 m away | 75 m² | 103 m² | +28 m² +37% | 2014 |
|---|
| 1, Middleton Road139 m away | 108 m² | 135 m² | +27 m² +25% | 2023 |
|---|
| 50, Spencers Road656 m away | 115 m² | 142 m² | +27 m² +23% | 2021 |
|---|
| 9, Victory Road734 m away | 108 m² | 135 m² | +27 m² +25% | 2018 |
|---|
| 29, Hills Place288 m away | 62 m² | 89 m² | +27 m² +44% | 2013 |
|---|
| 3, Farm Avenue360 m away | 64 m² | 90 m² | +26 m² +41% | 2025 |
|---|
| Flat 23, Homestream House, Mill Bay Lane531 m away | 60 m² | 86 m² | +26 m² +43% | 2017 |
|---|
| 80, Hazelhurst Crescent893 m away | 67 m² | 93 m² | +26 m² +39% | 2017 |
|---|
| 53, Hill Mead337 m away | 91 m² | 117 m² | +26 m² +29% | 2016 |
|---|
| 143, Tanbridge Park277 m away | 102 m² | 127 m² | +25 m² +25% | 2018 |
|---|
| 13, Madeira Avenue833 m away | 79 m² | 104 m² | +25 m² +32% | 2014 |
|---|
| 111, Cootes Avenue724 m away | 58 m² | 82 m² | +24 m² +41% | 2026 |
|---|
| 45, Swindon Road910 m away | 103 m² | 127 m² | +24 m² +23% | 2026 |
|---|
| 23, Spencers Road609 m away | 81 m² | 105 m² | +24 m² +30% | 2023 |
|---|
| 5, Orion Court, Hardy Close824 m away | 42 m² | 66 m² | +24 m² +57% | 2021 |
|---|
| 5, Shelley Road673 m away | 80 m² | 104 m² | +24 m² +30% | 2016 |
|---|
| 40, Swindon Road938 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
|---|
| 60, Swindon Road938 m away | 138 m² | 161 m² | +23 m² +17% | 2026 |
|---|
| 7, Glynde Place723 m away | 39 m² | 62 m² | +23 m² +59% | 2025 |
|---|
| 8, Jockey Mead762 m away | 65 m² | 88 m² | +23 m² +35% | 2025 |
|---|
| 65, Deer Way756 m away | 88 m² | 111 m² | +23 m² +26% | 2023 |
|---|
| 16, Pines Ridge868 m away | 101 m² | 123 m² | +22 m² +22% | 2024 |
|---|
| 51, Swindon Road910 m away | 86 m² | 108 m² | +22 m² +26% | 2013 |
|---|
| 1, Curzon Avenue244 m away | 80 m² | 101 m² | +21 m² +26% | 2025 |
|---|
| 69, Blackbridge Lane563 m away | 85 m² | 106 m² | +21 m² +25% | 2024 |
|---|
| 15, Bilbets, Rushams Road832 m away | 110 m² | 131 m² | +21 m² +19% | 2019 |
|---|
| 3, Swindon Road910 m away | 83 m² | 104 m² | +21 m² +25% | 2012 |
|---|
| 9, Bishopric Court305 m away | 27 m² | 47 m² | +20 m² +74% | 2025 |
|---|
| 9, Percy Road582 m away | 58 m² | 78 m² | +20 m² +34% | 2025 |
|---|
| 11, Churchill Avenue565 m away | 90 m² | 110 m² | +20 m² +22% | 2023 |
|---|
| 5, Deer Way756 m away | 55 m² | 75 m² | +20 m² +36% | 2023 |
|---|
| 21, Bishopric Court305 m away | 35 m² | 55 m² | +20 m² +57% | 2022 |
|---|
| 26, Rushams Road650 m away | 118 m² | 138 m² | +20 m² +17% | 2020 |
|---|
| 9, River Mead394 m away | 70 m² | 90 m² | +20 m² +29% | 2018 |
|---|
| 18, Curzon Avenue176 m away | 125 m² | 144 m² | +19 m² +15% | 2025 |
|---|
| Flat 2, Bridges Place, Denne Parade984 m away | 81 m² | 100 m² | +19 m² +23% | 2024 |
|---|
| Flat 2, Tanbridge House, Tanbridge Park413 m away | 120 m² | 139 m² | +19 m² +16% | 2022 |
|---|
| 15, Ryecroft Drive563 m away | 90 m² | 109 m² | +19 m² +21% | 2020 |
|---|
| 23, The Crescent411 m away | 86 m² | 105 m² | +19 m² +22% | 2016 |
|---|
| 13, Spencers Road609 m away | 68 m² | 87 m² | +19 m² +28% | 2014 |
|---|
| 1, Percy Road582 m away | 76 m² | 94 m² | +18 m² +24% | 2024 |
|---|
| 118, Cootes Avenue685 m away | 91 m² | 109 m² | +18 m² +20% | 2015 |
|---|
| 3, Press House, 16, Market Square761 m away | 93 m² | 111 m² | +18 m² +19% | 2015 |
|---|
| Flat 8, Talbot House, 20 - 22, East Street828 m away | 110 m² | 127 m² | +17 m² +15% | 2024 |
|---|
| 85, Rushams Road317 m away | 78 m² | 95 m² | +17 m² +22% | 2023 |
|---|
| 4, Hazelhurst Crescent893 m away | 36 m² | 53 m² | +17 m² +47% | 2023 |
|---|
| 63, Trafalgar Road846 m away | 57 m² | 74 m² | +17 m² +30% | 2020 |
|---|
| 54, Redford Avenue938 m away | 87 m² | 104 m² | +17 m² +20% | 2016 |
|---|
| 36, Vale Drive309 m away | 88 m² | 105 m² | +17 m² +19% | 2010 |
|---|
| 15, Wakehurst Mews761 m away | 64 m² | 80 m² | +16 m² +25% | 2026 |
|---|
| 17, Percy Road582 m away | 73 m² | 89 m² | +16 m² +22% | 2024 |
|---|
| Flat 6, Bishops Court 27a, Causeway709 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
|---|
| 6, Shelley Road673 m away | 68 m² | 84 m² | +16 m² +24% | 2022 |
|---|
| 56, Trafalgar Road864 m away | 73 m² | 89 m² | +16 m² +22% | 2014 |
|---|
| 17, Milton Road782 m away | 62 m² | 77 m² | +15 m² +24% | 2026 |
|---|
| 10, Three Acres543 m away | 83 m² | 98 m² | +15 m² +18% | 2025 |
|---|
| 6, Spencers Road656 m away | 64 m² | 79 m² | +15 m² +23% | 2022 |
|---|
| 39a, Victory Road734 m away | 44 m² | 59 m² | +15 m² +34% | 2021 |
|---|
| 61, Kings Gate362 m away | 50 m² | 65 m² | +15 m² +30% | 2020 |
|---|
| 18, Rushams Road787 m away | 33 m² | 48 m² | +15 m² +45% | 2020 |
|---|
| 19, Eastcroft Mews965 m away | 66 m² | 81 m² | +15 m² +23% | 2016 |
|---|
| 18, Stoneybrook878 m away | 68 m² | 83 m² | +15 m² +22% | 2015 |
|---|