| KnownEstates. | Date | Acreage | Value | Rents | Fees | Reference |
| Elmdon | 1287 | 151 | 63s | 6s | 1/4 | FF.ii. 19.72, IPM C.133.48.3 |
| Mountnessing | 1287 | 169 | 323Ss | 270s | IPM C.133.48.3 | |
| Crishall (tenanted) | 1296 | 1/4 | C.I.P.M. iii, 366. | |||
| 1303 | (1) | F.A. ii, 150 | ||||
| Cambridgeshire | ||||||
| Haslingfield | 1287 | 60 | 104s | 31s | I.P.M. C.133.48.3 | |
| Suffolk | ||||||
| Newton | 1287 | 280s | I.P.M. C.133.48.3 | |||
| Norfolk:- | ||||||
| Hewode (sic.) | 349s | 1 | I.P.M. C.133.48.3 | |||
| Sprowston | 1278 1316 | FF.ii. 19. 72. , F.A. III. 474. | ||||
| Other Probable Estates:- | ||||||
| Hertfordshire | ||||||
| North Mimmes | 1303 | 7 | Misc. I. 1870 | |||
| Cambridge | ||||||
| Haslingfield &Sawston | Misc. I. 1870 | |||||
| Shenlee (sic) | Misc. I. 1870 | |||||
| Norfolk | ||||||
| Diss | 1302 | 1/4 | F.A. iii, 393 | |||
| Tacolneston | 1302 | 1 | F.A. iii, 412 +41 | |||
| Little Plumstead | F.A. iii, 412 + | |||||
| Freethorpe | F.A. iii, 412 + | |||||
| Probable Total in Essex | 380 | 425s | 276s | 1/4 | ||
| Probable Total Overall | 380 | 733s | 307s | 1 3/8th | ||
| Possible Overall Total | 380 | 733s | 307s | 10 |
| Disposals | ||
| 1317 | 83 acres land, 36s rent and 1/8th fee in Haslingfield, Cambridgeshire. | C.P.R. 1317, 653. |
| 1319 | 1 mess., 120 acres in Elmdon. | C.P.R. 1319, 391. |
| Settlements | ||
| 1278 | Reversion of Estates in Elmdon, Mountnessing,Haslingfield, Newton and Hewode settled on Ernauf by his father. | FF.ii.19.72 |
| 1320 | Similar arrangements made by Ernauf on behalf of his son. | FF.ii.196.810 |