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The Cambridge Archaeological Unit (CAU) undertook the archaeological monitoring of the preparatory works for the installation of a new gas pipeline at St Nicholas Church, Dersingham. During the monitoring material was recovered from the medieval and post-medieval periods, no archaeological features or structures were encountered.

The Cambridge Archaeological Unit (CAU) undertook the archaeological evaluation in advance of the cutting of reception pits for the directional drilling sections of the Earlham Grid To Norwich Main Underground Diversion route. The reception pits were located at the crossing points of major transport infrastructure along the pipeline route. The evaluation consisted of five 25m x 2m trenches and four 20m x 2m trenches covering each drill reception pit along the route of the pipeline. Of the areas investigated only one site produced evidence for activity earlier than the Post Medieval period. The evaluation trench at the equestrian enclosures at Intwood revealed several linear features, one of which contained abraded fragments of Roman period ceramic material. The feature was considered to be a field boundary of the Roman period.

Between the 21st June and 16th July 2011 the Cambridge Archaeological Unit carried out an archaeological evaluation and open excavation within the footprint of a proposed new student accommodation block on Corpus Christi College land at Cranmer Road (no.25 Cranmer Road), Cambridg, adjacent to the college sports field. The investigation began with the digging of four evaluation trenches. Two suggested Saxon-Early Medieval ditches were located, and as a result, an area of c.180 sq m was opened up and excavated, revealing what appears to be the partly in-turned entrance of a sub-circular enclosure. Three of these ditches produced Middle Saxon pottery, fragments of weathered lava quern, burnt stone, daub, and considerable amounts of animal bone - most of the latter coming from the terminal ditch segment which may have been dug as a quarry pit just beyond the end of the original ditch. Another ditch dug across the inside of this entrance was constructed somewhat differently, and appears to be of a much later date. Little more can be said about the interpretation of this small enclosure, except that it confirms the relatively rare occurrence of a Middle Saxon settlement in this area.

The Cambridge Archaeological Unit (CAU) undertook the archaeological monitoring of the preparatory works for the installation of a single storage building at Beech house,Fordham Road Exning, Suffolk. During the monitoring no archaeological material was recovered and no archaeological features or structures were encountered. The works involved did not penetrate beyond recent made up ground.

An Archaeological Watching Brief was undertaken at Haslingfield Manor, Cambridgeshire (NGR TL 4055 5230) from 19th April to 17th May 2011. The monitoring was conducted in two phases; the first phase consisted of monitoring the topsoil strip of the storage area to the west of the house for the excavated moat sediments and the second phase consisted of monitoring the actual cleaning and examination of the removed deposits of the western moat. The topsoil strip revealed an area of disturbance that related to the demolition of the pre-existing house and contained rubble material that included bricks, tiles and domestic debris dated from the 16th to 19th century. Two pit features were uncovered that dated to the 19th-20th century. Domestic debris that dated from the 17th to 19th century was also recorded throughout the stripped area that was incorporated in a deposit that derived from the re-cutting of the moat and was used to level the interior of the site. The recent excavated moat sediments contained little artefactual evidence suggesting that the moat had been extensively cleaned, sometime prior to the 20th century.

Between 19th April and 3rd May 2011 the Cambridge Archaeological Unit carried out an archaeological evaluation (74 m of trenching) followed by a watching brief at the Babraham Research Campus prior to the construction of a single building (B503) some 200m to the north of the river and to the east of the Hall. Two undated NE-SW ditches plus a number of ill-defined Roman and Late Medieval features were found that were considerably truncated by modern foundations. The Late Medieval features included two NW-SE ditches and a pit, whilst the Roman features consisted of two sections of a shallow and sinuous NNW-SSE oriented gully in which was found a concentration of well-preserved broken vessels including at least one Samian bowl, and a 4m-wide NE-SW trending boundary ditch which lay adjacent to the south-eastern edge of the excavation. The latter ditch appears to be more or less in line with the westernmost edge of a group of ditches associated with the Roman Road previously excavated beneath the ARES Building Car Park in 2006.

Between 23rd May and 14th June 2011 the Cambridge Archaeological Unit carried out an archaeological evaluation (69m of trenching) followed by an open area excavation (1000 sq m) at the Babraham Research Campus prior to the construction of new buildings (B702 and B703) to be located some 200m to the north of the river and to the east of the Hall. At the north end a short stretch (8.5m) of a cambered though partly truncated flint-metalled 4.5m-wide Roman road was uncovered with one surviving roadside ditch to the south-east. The middle 15m-long section of this ENE-WSW oriented road seems to have been removed by quarrying, the flint gravel being dug in order to metal the surface an adjacent parallel Post-medieval (17th-century?) wagon road which crosses the area from north-east to south-west heading for a former ford across the river.An E-W Roman mid 1st-2nd century AD ditch thought perhaps to be the major floodplain boundary ditch of the Roman settlement, abuts this roadside ditch on its western side, then is off-set northwards by about 7m on its eastern side. Eastwards from here this cuts another parallel ditch which in this northern part of the site takes the form of a sinuous broken gully. From what could have been the separated southern section came mid-late 1st century AD pottery which included a Samian cup.

An 'L-shaped' trench measuring 22 square metres in area was excavated at 208 Green End Road, Chesterton, Cambridge, between the 6th and 7th of September 2011. This revealed that the site had previously been subject to intensive gravel quarrying activity. Although no earlier, pre-quarry features had survived, two distinct types of quarry pit were identified. The first of these consisted of a series of haphazardly arranged sub-oval features, one of which contained abraded sherds of Medieval pottery. Subsequently, however, during the Post-Medieval period, the site became the focus of more intensive 'strip-type' extraction techniques. A minimum of sixteen linear quarries were inserted, all of which were aligned northeast to southwest. Between them, these features removed almost all of the remaining natural gravel. Finally, a number of additional features relating to the most recent phase in the site's usage were also present. These included a sub-rectangular pit, a rubble-filled soakaway and a lead water pipe that were all associated with the construction of a nearby bungalow in the mid 20th century. In addition, the topography of the area suggests that a program of landscaping/terracing may also have been undertaken at this time.

Cambridge Archaeological Unit undertook an open-area excavation and watching brief at Babraham Research Institute prior to the extension of a car-park. Despite a high level of modern disturbance and truncation, these phases of excavation uncovered significant archaeological remains in the form of a possible late Anglo-Saxon building, together with 12th - 13th c. AD ditches, rubbish pits, wells and livestock burials. Also present was a truncated Romano-British grave and a segment of post-medieval road with corresponding road-side ditch.

Four trenches were excavated at the Cambridgeshire County Scout Camp Site, Church Lane, Little Abington on the 22nd of August 2011. They covered a combined total of 35.2m2 in area. A single archaeological feature, which comprised an undated linear gully or ditch, was encountered. Both the location and orientation of this feature - which followed the boundary between the natural gravels to the north and the chalk marl to the south - indicate that it may have been deliberately situated so as to demarcate the boundary between these two geological zones. This change may have had important implications with regard to the agricultural potential of the two areas. Overlying the sub-soil horizon in each trench was a layer of well-worked horticultural soil. Although undated, this appears most likely to be medieval in origin. Subsequently, in the mid 20th century, the ground level across the eastern side of the PDA was artificially raised and a range of buildings were constructed. These structures, many of which are still standing, are directly associated with the establishment of the Cambridgeshire County Scout Camp. Finally, additional features related to this most recent phase in the site's usage were also identified, including a rubble-filled soakaway and a flat-laid brick surface.

Cambridge Archaeological Unit undertook a trenched evaluation on the R and D Land at Babraham Research Institute, prior to the development of this area. The trenching revealed limited archaeology towards the eastern half of the site, however towards the west significant Romano-British activity was identified. This included a large number of substantial ditches, a dark-earth deposit containing significant quantities of finds which possibly sealed earlier features, and a possible structure consisting of three parallel beam-slots. The evaluation also identified the extent and depth of the flood-plain alluvium deposits together with a paleochannel.

The Cambridge Archaeological Unit (CAU) undertook the archaeological monitoring of the instillation of a replacement water main pipeline at Walesby Hill, Lincolnshire, by Anglia Water and its Agents between August 1st and August 10th 2009. The pipeline commenced at Walesby Hill and continued in a south westerly direction towards Walesby. The monitoring recorded the presence of several intrusive features related to a complex of enclosures and trackways previously observed in a major aerial survey of the Lincolnshire Wolds. The features are probably a farmstead of the early Romano-British period.