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 DA15 9LL
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 |
|---|---|---|---|---|
| 60, Alers Road925 m away | 106 m² | 254 m² | +148 m² +140% | 2025 |
| 77, Blendon Road739 m away | 104 m² | 248 m² | +144 m² +138% | 2018 |
| 35, The Drive299 m away | 106 m² | 229 m² | +123 m² +116% | 2023 |
| 45, Sandhurst Road751 m away | 84 m² | 198 m² | +114 m² +136% | 2019 |
| 37, Chaucer Road960 m away | 94 m² | 207 m² | +113 m² +120% | 2024 |
| 39, Blendon Drive687 m away | 92 m² | 200 m² | +108 m² +117% | 2020 |
| 437, Blackfen Road298 m away | 116 m² | 217 m² | +101 m² +87% | 2019 |
| 129, The Drive592 m away | 93 m² | 187 m² | +94 m² +101% | 2020 |
| 1, Charter Drive950 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.
| 65 m² |
| 159 m² |
| +94 m² +145% |
| 2016 |
| 52, Blendon Drive623 m away | 98 m² | 190 m² | +92 m² +94% | 2019 |
|---|
| 5, Viewfield Road607 m away | 90 m² | 180 m² | +90 m² +100% | 2025 |
|---|
| 22, The Drive215 m away | 91 m² | 179 m² | +88 m² +97% | 2020 |
|---|
| 1, Park Mead396 m away | 75 m² | 162 m² | +87 m² +116% | 2026 |
|---|
| 111, The Drive592 m away | 98 m² | 180 m² | +82 m² +84% | 2026 |
|---|
| 30, Brasted Close860 m away | 81 m² | 163 m² | +82 m² +101% | 2023 |
|---|
| 164, The Drive652 m away | 78 m² | 158 m² | +80 m² +103% | 2022 |
|---|
| 57, Harcourt Avenue0 m away | 53 m² | 132 m² | +79 m² +149% | 2014 |
|---|
| 23, Blenheim Road987 m away | 79 m² | 155 m² | +76 m² +96% | 2011 |
|---|
| Campion Cottage, Woodside Lane689 m away | 87 m² | 161 m² | +74 m² +85% | 2020 |
|---|
| 22, Radnor Avenue894 m away | 70 m² | 142 m² | +72 m² +103% | 2025 |
|---|
| 1, Blendon Drive687 m away | 99 m² | 170 m² | +71 m² +72% | 2020 |
|---|
| 12, Dene Avenue486 m away | 105 m² | 174 m² | +69 m² +66% | 2021 |
|---|
| 1, Brook Lane648 m away | 89 m² | 156 m² | +67 m² +75% | 2022 |
|---|
| 63, Penhill Road138 m away | 106 m² | 172 m² | +66 m² +62% | 2025 |
|---|
| 133, Danson Road636 m away | 153 m² | 219 m² | +66 m² +43% | 2025 |
|---|
| 149, Rowley Avenue203 m away | 84 m² | 149 m² | +65 m² +77% | 2026 |
|---|
| 2, Albany Close414 m away | 74 m² | 139 m² | +65 m² +88% | 2020 |
|---|
| 2, Penshurst Avenue862 m away | 51 m² | 116 m² | +65 m² +127% | 2011 |
|---|
| 14, Albany Close414 m away | 70 m² | 134 m² | +64 m² +91% | 2019 |
|---|
| 102, Blendon Road621 m away | 112 m² | 175 m² | +63 m² +56% | 2015 |
|---|
| 190, Rowley Avenue138 m away | 88 m² | 150 m² | +62 m² +70% | 2020 |
|---|
| 20, Crofton Avenue728 m away | 86 m² | 148 m² | +62 m² +72% | 2017 |
|---|
| 172, Hurst Road954 m away | 93 m² | 155 m² | +62 m² +67% | 2011 |
|---|
| 6, Arcadian Road821 m away | 99 m² | 160 m² | +61 m² +62% | 2026 |
|---|
| 59, Olron Crescent946 m away | 53 m² | 114 m² | +61 m² +115% | 2017 |
|---|
| 351, Blackfen Road720 m away | 162 m² | 221 m² | +59 m² +36% | 2013 |
|---|
| 2, Charter Drive950 m away | 90 m² | 148 m² | +58 m² +64% | 2020 |
|---|
| 379, Blackfen Road720 m away | 111 m² | 169 m² | +58 m² +52% | 2018 |
|---|
| 143, Howard Avenue493 m away | 79 m² | 136 m² | +57 m² +72% | 2025 |
|---|
| 29, Montrose Avenue852 m away | 129 m² | 186 m² | +57 m² +44% | 2023 |
|---|
| 33, Cavendish Avenue909 m away | 93 m² | 149 m² | +56 m² +60% | 2024 |
|---|
| 117, Penshurst Avenue898 m away | 58 m² | 114 m² | +56 m² +97% | 2021 |
|---|
| 92, Wellington Avenue983 m away | 71 m² | 127 m² | +56 m² +79% | 2021 |
|---|
| 64, Tyrrell Avenue976 m away | 69 m² | 123 m² | +54 m² +78% | 2023 |
|---|
| 2, Arcadian Avenue934 m away | 96 m² | 150 m² | +54 m² +56% | 2020 |
|---|
| 69, Murchison Avenue955 m away | 66 m² | 120 m² | +54 m² +82% | 2020 |
|---|
| 47, Blendon Drive687 m away | 137 m² | 190 m² | +53 m² +39% | 2025 |
|---|
| 170, The Drive652 m away | 87 m² | 140 m² | +53 m² +61% | 2024 |
|---|
| 170, Sherwood Park Avenue208 m away | 63 m² | 115 m² | +52 m² +83% | 2021 |
|---|
| 20, Arcadian Avenue934 m away | 94 m² | 145 m² | +51 m² +54% | 2018 |
|---|
| 33, Blendon Drive687 m away | 94 m² | 144 m² | +50 m² +53% | 2026 |
|---|
| 13, Cavendish Avenue909 m away | 94 m² | 144 m² | +50 m² +53% | 2020 |
|---|
| 85, Crofton Avenue693 m away | 49 m² | 98 m² | +49 m² +100% | 2014 |
|---|
| 101, Bladindon Drive667 m away | 91 m² | 139 m² | +48 m² +53% | 2023 |
|---|
| 20, Blendon Road839 m away | 77 m² | 125 m² | +48 m² +62% | 2019 |
|---|
| 2a, Burns Avenue689 m away | 94 m² | 141 m² | +47 m² +50% | 2026 |
|---|
| 15, Chaucer Road960 m away | 80 m² | 127 m² | +47 m² +59% | 2025 |
|---|
| 10, Brasted Close860 m away | 105 m² | 152 m² | +47 m² +45% | 2023 |
|---|
| 3, Cedar Grove345 m away | 94 m² | 141 m² | +47 m² +50% | 2021 |
|---|
| 131, Oakley Park306 m away | 60 m² | 106 m² | +46 m² +77% | 2025 |
|---|
| 25, Somerhill Avenue736 m away | 91 m² | 137 m² | +46 m² +51% | 2022 |
|---|
| 30, Albany Close414 m away | 75 m² | 121 m² | +46 m² +61% | 2019 |
|---|
| 141, Oakley Park306 m away | 92 m² | 138 m² | +46 m² +50% | 2018 |
|---|
| 197, Ramillies Road496 m away | 96 m² | 141 m² | +45 m² +47% | 2021 |
|---|
| 60, Crofton Avenue728 m away | 73 m² | 117 m² | +44 m² +60% | 2026 |
|---|
| 33, Montpelier Avenue667 m away | 57 m² | 101 m² | +44 m² +77% | 2020 |
|---|
| 4, Sandhurst Road751 m away | 184 m² | 227 m² | +43 m² +23% | 2024 |
|---|
| 47, Radnor Avenue885 m away | 92 m² | 135 m² | +43 m² +47% | 2014 |
|---|
| 13, Rowley Avenue677 m away | 99 m² | 141 m² | +42 m² +42% | 2020 |
|---|
| 35, Albany Close414 m away | 51 m² | 93 m² | +42 m² +82% | 2014 |
|---|
| 33, Margaret Road722 m away | 89 m² | 130 m² | +41 m² +46% | 2025 |
|---|
| 16, Meadow View581 m away | 77 m² | 118 m² | +41 m² +53% | 2021 |
|---|
| 99, Ramillies Road551 m away | 66 m² | 107 m² | +41 m² +62% | 2020 |
|---|
| 36, Brasted Close860 m away | 100 m² | 141 m² | +41 m² +41% | 2012 |
|---|
| 47, Beechway484 m away | 92 m² | 132 m² | +40 m² +43% | 2024 |
|---|
| 6, Ramillies Road653 m away | 58 m² | 98 m² | +40 m² +69% | 2023 |
|---|
| 100, Murchison Avenue983 m away | 106 m² | 146 m² | +40 m² +38% | 2021 |
|---|
| 11, Blenheim Road987 m away | 78 m² | 117 m² | +39 m² +50% | 2025 |
|---|
| 125, The Drive592 m away | 133 m² | 172 m² | +39 m² +29% | 2022 |
|---|
| 278, Hurst Road755 m away | 84 m² | 123 m² | +39 m² +46% | 2022 |
|---|
| 142, The Drive652 m away | 100 m² | 139 m² | +39 m² +39% | 2021 |
|---|
| 226, Hurst Road788 m away | 107 m² | 146 m² | +39 m² +36% | 2015 |
|---|
| 47, Cottage Field Close843 m away | 94 m² | 132 m² | +38 m² +40% | 2025 |
|---|
| 183, Penhill Road464 m away | 101 m² | 139 m² | +38 m² +38% | 2023 |
|---|
| 31, Montrose Avenue852 m away | 101 m² | 139 m² | +38 m² +38% | 2017 |
|---|
| 139, The Drive818 m away | 95 m² | 132 m² | +37 m² +39% | 2023 |
|---|
| 112, Bladindon Drive801 m away | 120 m² | 157 m² | +37 m² +31% | 2022 |
|---|
| 51, Olron Crescent946 m away | 51 m² | 88 m² | +37 m² +73% | 2021 |
|---|
| 111, Blendon Road355 m away | 139 m² | 176 m² | +37 m² +27% | 2015 |
|---|
| 50, Ramillies Road653 m away | 66 m² | 102 m² | +36 m² +55% | 2019 |
|---|
| 42, Park Mead522 m away | 72 m² | 107 m² | +35 m² +49% | 2026 |
|---|
| 46, The Drive215 m away | 138 m² | 173 m² | +35 m² +25% | 2013 |
|---|
| 484, Blackfen Road263 m away | 75 m² | 109 m² | +34 m² +45% | 2023 |
|---|
| 69, Crofton Avenue693 m away | 54 m² | 88 m² | +34 m² +63% | 2019 |
|---|
| 9, Chaucer Road960 m away | 114 m² | 148 m² | +34 m² +30% | 2018 |
|---|
| 49, Beechway484 m away | 89 m² | 122 m² | +33 m² +37% | 2023 |
|---|
| 11, Meadow View581 m away | 146 m² | 179 m² | +33 m² +23% | 2023 |
|---|
| 154, The Drive652 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
|---|
| 44, Blendon Drive623 m away | 116 m² | 148 m² | +32 m² +28% | 2017 |
|---|
| 89, Crofton Avenue693 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 128, Sherwood Park Avenue402 m away | 64 m² | 95 m² | +31 m² +48% | 2020 |
|---|
| 16, Rowley Avenue677 m away | 94 m² | 125 m² | +31 m² +33% | 2019 |
|---|
| 63, Olron Crescent946 m away | 53 m² | 84 m² | +31 m² +58% | 2012 |
|---|
| 38, Cottage Field Close843 m away | 85 m² | 115 m² | +30 m² +35% | 2024 |
|---|
| 40, Blendon Drive623 m away | 98 m² | 128 m² | +30 m² +31% | 2019 |
|---|
| 108, Ramillies Road580 m away | 76 m² | 105 m² | +29 m² +38% | 2026 |
|---|
| 59, Dorchester Avenue781 m away | 59 m² | 88 m² | +29 m² +49% | 2026 |
|---|
| 85, Danson Road902 m away | 176 m² | 205 m² | +29 m² +16% | 2026 |
|---|
| 62, Murchison Avenue966 m away | 65 m² | 94 m² | +29 m² +45% | 2023 |
|---|
| 109, Rowley Avenue203 m away | 35 m² | 63 m² | +28 m² +80% | 2023 |
|---|
| 315, Hurst Road718 m away | 59 m² | 87 m² | +28 m² +47% | 2018 |
|---|
| 1, Wellan Close817 m away | 99 m² | 126 m² | +27 m² +27% | 2026 |
|---|
| 39, Montrose Avenue852 m away | 100 m² | 127 m² | +27 m² +27% | 2025 |
|---|
| 24, Brook Lane648 m away | 104 m² | 131 m² | +27 m² +26% | 2023 |
|---|
| 28, Blendon Drive623 m away | 134 m² | 161 m² | +27 m² +20% | 2021 |
|---|
| 87, Penshurst Avenue898 m away | 62 m² | 88 m² | +26 m² +42% | 2022 |
|---|
| 65, Shirley Avenue662 m away | 77 m² | 103 m² | +26 m² +34% | 2018 |
|---|
| 171, Burnt Oak Lane634 m away | 132 m² | 157 m² | +25 m² +19% | 2024 |
|---|
| 4, Rochester Close779 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
|---|
| 33, Portland Avenue811 m away | 72 m² | 97 m² | +25 m² +35% | 2019 |
|---|
| 49, Shirley Avenue662 m away | 101 m² | 126 m² | +25 m² +25% | 2014 |
|---|
| 64, Olron Crescent930 m away | 99 m² | 124 m² | +25 m² +25% | 2008 |
|---|
| 29, Brook Lane648 m away | 63 m² | 87 m² | +24 m² +38% | 2025 |
|---|
| 111, Burnt Oak Lane976 m away | 125 m² | 149 m² | +24 m² +19% | 2024 |
|---|
| 132, Sherwood Park Avenue402 m away | 119 m² | 143 m² | +24 m² +20% | 2022 |
|---|
| 159, Ramillies Road496 m away | 53 m² | 77 m² | +24 m² +45% | 2022 |
|---|
| 70, Murchison Avenue966 m away | 63 m² | 87 m² | +24 m² +38% | 2022 |
|---|
| 8, Penshurst Avenue862 m away | 88 m² | 112 m² | +24 m² +27% | 2020 |
|---|
| 151, Dorchester Avenue806 m away | 74 m² | 98 m² | +24 m² +32% | 2019 |
|---|
| 240, Sherwood Park Avenue208 m away | 88 m² | 112 m² | +24 m² +27% | 2018 |
|---|
| 81, Sherwood Park Avenue420 m away | 92 m² | 115 m² | +23 m² +25% | 2025 |
|---|
| 16b, Elmwood Drive901 m away | 61 m² | 84 m² | +23 m² +38% | 2025 |
|---|
| 19, Westerham Drive393 m away | 61 m² | 84 m² | +23 m² +38% | 2022 |
|---|
| 81, Burns Avenue772 m away | 59 m² | 82 m² | +23 m² +39% | 2021 |
|---|
| 24, Montpelier Avenue658 m away | 61 m² | 84 m² | +23 m² +38% | 2016 |
|---|
| 88, Bladindon Drive571 m away | 97 m² | 119 m² | +22 m² +23% | 2025 |
|---|
| 35, Beechway484 m away | 93 m² | 115 m² | +22 m² +24% | 2022 |
|---|
| 119, The Drive592 m away | 99 m² | 121 m² | +22 m² +22% | 2019 |
|---|
| 425, Blackfen Road529 m away | 69 m² | 91 m² | +22 m² +32% | 2011 |
|---|
| 2, Chaucer Road955 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
|---|
| 175, Blendon Road255 m away | 66 m² | 87 m² | +21 m² +32% | 2024 |
|---|
| 171, Sherwood Park Avenue264 m away | 52 m² | 73 m² | +21 m² +40% | 2021 |
|---|
| 100, Park Mead740 m away | 36 m² | 57 m² | +21 m² +58% | 2021 |
|---|
| 121, Oakley Park306 m away | 91 m² | 112 m² | +21 m² +23% | 2009 |
|---|
| 172, Rowley Avenue286 m away | 63 m² | 83 m² | +20 m² +32% | 2025 |
|---|
| 52, Stansted Crescent989 m away | 43 m² | 63 m² | +20 m² +47% | 2025 |
|---|
| 20, Beechway445 m away | 111 m² | 130 m² | +19 m² +17% | 2026 |
|---|
| 81, Blendon Road525 m away | 121 m² | 140 m² | +19 m² +16% | 2026 |
|---|
| 53, Murchison Avenue941 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
|---|
| 3, Charter Drive950 m away | 64 m² | 83 m² | +19 m² +30% | 2025 |
|---|
| 120, Sherwood Park Avenue402 m away | 116 m² | 135 m² | +19 m² +16% | 2024 |
|---|
| 87, Crofton Avenue693 m away | 83 m² | 102 m² | +19 m² +23% | 2023 |
|---|
| 30, Cottage Field Close843 m away | 101 m² | 120 m² | +19 m² +19% | 2022 |
|---|
| 6, Arcadian Avenue934 m away | 111 m² | 130 m² | +19 m² +17% | 2022 |
|---|
| 82, Penhill Road269 m away | 104 m² | 123 m² | +19 m² +18% | 2020 |
|---|
| 108, Burns Avenue758 m away | 65 m² | 84 m² | +19 m² +29% | 2020 |
|---|
| 38, Murchison Avenue966 m away | 54 m² | 73 m² | +19 m² +35% | 2019 |
|---|
| 27, Montpelier Avenue667 m away | 57 m² | 76 m² | +19 m² +33% | 2014 |
|---|
| 39, Blendon Road739 m away | 101 m² | 120 m² | +19 m² +19% | 2014 |
|---|
| 193, Sherwood Park Avenue264 m away | 39 m² | 58 m² | +19 m² +49% | 2011 |
|---|
| 11, Howard Avenue550 m away | 46 m² | 65 m² | +19 m² +41% | 2009 |
|---|
| 29, Foots Cray Lane906 m away | 77 m² | 95 m² | +18 m² +23% | 2026 |
|---|
| 34, Eynsford Crescent925 m away | 77 m² | 95 m² | +18 m² +23% | 2024 |
|---|
| 73, Ramillies Road551 m away | 60 m² | 78 m² | +18 m² +30% | 2017 |
|---|
| 56, Oakley Park376 m away | 84 m² | 102 m² | +18 m² +21% | 2013 |
|---|
| 29, Crofton Avenue693 m away | 64 m² | 81 m² | +17 m² +27% | 2024 |
|---|
| 10, Rochester Close779 m away | 53 m² | 70 m² | +17 m² +32% | 2024 |
|---|
| 110, Bladindon Drive801 m away | 111 m² | 128 m² | +17 m² +15% | 2024 |
|---|
| 97, Howard Avenue493 m away | 51 m² | 68 m² | +17 m² +33% | 2023 |
|---|
| 48, Howard Avenue580 m away | 55 m² | 72 m² | +17 m² +31% | 2022 |
|---|
| 5, Shoreham Close960 m away | 76 m² | 93 m² | +17 m² +22% | 2020 |
|---|
| 147, Ramillies Road495 m away | 67 m² | 84 m² | +17 m² +25% | 2019 |
|---|
| 22, Margaret Road721 m away | 100 m² | 116 m² | +16 m² +16% | 2026 |
|---|
| 98, Burns Avenue758 m away | 90 m² | 106 m² | +16 m² +18% | 2024 |
|---|
| 43, Westerham Drive393 m away | 55 m² | 71 m² | +16 m² +29% | 2022 |
|---|
| 93, Woodside Lane443 m away | 49 m² | 65 m² | +16 m² +33% | 2022 |
|---|
| 64, Radnor Avenue894 m away | 94 m² | 110 m² | +16 m² +17% | 2021 |
|---|
| 89, Rowley Avenue395 m away | 70 m² | 86 m² | +16 m² +23% | 2020 |
|---|
| 56, Eynsford Crescent925 m away | 98 m² | 114 m² | +16 m² +16% | 2017 |
|---|
| 46, Ramillies Road653 m away | 63 m² | 79 m² | +16 m² +25% | 2016 |
|---|
| 492, Blackfen Road263 m away | 82 m² | 97 m² | +15 m² +18% | 2026 |
|---|
| 161, Harcourt Avenue259 m away | 49 m² | 64 m² | +15 m² +31% | 2020 |
|---|
| 32, Cottage Field Close843 m away | 75 m² | 90 m² | +15 m² +20% | 2020 |
|---|
| 38, Penshurst Avenue862 m away | 96 m² | 111 m² | +15 m² +16% | 2014 |
|---|