Our early work involved removing a lot of holly, coppicing any large hazel that still survived and planting more young hazel.  Since about 2010 HCCV have planted between 1500 - 2000 bare root hazel plants, virtually all supplied by Nicholsons Nurseries.  (A few plants came from members’ gardens, seedlings from nuts probably buried by squirrels.)  Being in a wood the plants had largely to look after themselves once planted, but the majority still survived even in dry springs. 
We usually plant hazel in groups of three to simulate a single-stemmed plant one or two years after coppicing.  While the plants are small and cast little shade brambles thrive, and so  for the first few years after planting  HCCV’s other big task is ‘bramble bashing’ -  digging or  pulling them up by hand.  Although essential this isn’t our favourite job but with most of the roots growing in the thick layer of leaf mould present in the wood, it is easier than you might think.  We also get quite a sense of satisfaction after a team has cleared a sizeable area!  In the last two years we’ve invested in small hand mattocks (c. £10) which are ideal, so if you have to do this sort of work I strongly recommend them.
Nicholsons sell various sizes and ages of bare root hazel plants and because of our bramble problem (and our almost stone-free soil which makes planting easy) we find bare root transplants superior to the equivalent sized seedlings.   They usually have a number of stems and a bigger and more fibrous root system, so they establish faster and make plants that compete with the brambles at least one and probably two or more years sooner than seedlings do.
Photographs:

1. Unpacking the plants, showing their well-developed root systems.
2. Hazel being planted in groups of 3 by two-man teams.
3. The small mattock we find very useful when ‘bramble bashing’.

Over the years HCCV have put up almost 40 bird nest boxes in Holt Copse.  They vary in size and shape as they are designed to attract different species.  We check them each winter when we record whether or not they have been used, the number of any unhatched eggs or chick skeletons present and we clean out the boxes.  Old nest material is full of invertebrates such as caterpillars, beetles, spiders and particularly fleas and if it is not removed birds will seldom use the nest box again for some years.  We have done this exercise now for 10 years.
We’ve put up boxes designed for tit species, tree creepers, nut hatches, wrens and owls and ones designed for a range of species like robins, blackbirds and flycatchers.   The majority (75% +) are used most years although the numbers of eggs and/or skeletons in the nests vary considerably.  When ‘fatalities’ are present in the occasional nest it is probable that something happened to one or both parent birds, but when it happens in many cases there may well be an underlying cause such as bad weather or lack of food (which are often linked).
Although the boxes are designed for different species, blue, great and coal tits don’t seem to realise this and often use boxes intended for tree creepers and nuthatches!  If they use one of the latter, which are much larger than nest boxes designed for tits, the birds have to make much bigger nests and some are truly remarkable - and very cosy-looking! (See photo).   Tits will use natural and manmade materials to make their nest and we often wonder where some of the latter comes from, although the commonest, a fluorescent yellow fluff probably comes from tennis balls lost by dog owners and their pets.  Individuals birds (or pairs) would seem to vary in their preferences for nest building material, because some nests are made mainly of natural materials (grass, moss, dog hairs and feathers) while others in the same locality are made almost entirely of manmade materials (See photo).
We wondered how far birds foraged for nesting material, so last spring we cut some bright red wool into short (c. 5 cm) lengths and put these in a small net that we hung up in the Copse.   Last week when we examined the boxes we checked if this wool was in any of the nests, which it was.  Not unexpectedly the largest amount was in the nest box near where we hung the wool, but there were at least 7 strands in the elaborate nest built over 120m away - as tits fly!
It isn’t just birds that inhabit nest boxes not intended for them; bees do too!  We realised there were bees in one box when we checked it last year when it was warm and the bees were active, so we left well alone!   It was much colder last Saturday, so we took the front off the box which contained four honeycombs (See photo).    They were so beautifully made we put the front back on the box and hung it back up; the bees are welcome occupants. 
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Photographs:

1. Elaborate nest containing various types of manmade material (including at least 7 pieces of red wool).
2. Nest with many pieces of red wool, but otherwise made of natural materials.
3. Bird nest box containing a bees’ nest and four honeycombs.