Something  I wrote a few years ago as to the value of Houseboat Certificates,  (something which BW persistently attempt to deny most of their moorings customers  living on long term residential moorings):
  Security of Tenure for “Houseboats” under  the 
 1995 British Waterways Act
To fully  appreciate how Security of Tenure works in practice in this scenario the  key in my view is Section 4 (3) of Schedule One. If there is no other  breach of the terms and conditions (see Section 6 of Schedule One) then  if BW want to move a Houseboat for any reason, they have to offer  another suitable mooring.
Equally importantly they  “shall permit the houseboat to be replaced at the site as soon as  practicable after the circumstances necessitating the removal have  ceased to apply.”
I believe the effect of this is that  if circumstances prevent a Houseboat Certificated craft from ever  returning to its original mooring then the holder must always be offered  an equivalent space elsewhere.
Section 33 of the Act  was as I recall intended to give one the right to go to the County Court  in the event of a dispute about what under 4 (3) of Schedule One  constitutes “a suitable mooring or other location (which shall be  broadly comparable to the site) situated as near as is practicable to  the site, …”
It seems to be this duty to offer a  Houseboat Certificate holder either a right-of-return or an alternative  mooring that irks BW so much! They have in my view tried to avoid  getting into these obligations with most residential customers by the  simple expedient of not issuing Houseboat Certificates to craft which  are mobile under their own power. This in my view is in direct  contravention of an undertaking they gave the House of Lords in  Committee on the point when the then Waterways Bill was being debated.
I  therefore believe that what I said to the then ODPM on this earlier  this year is still true:
“I also believe BW has  artificially excluded over two thirds of its customers, lawfully  occupying residential moorings, from the limited security of tenure  provisions they were originally granted. (See ref 4).
I  believe that in doing this BW have relied on re-interpreting the very  issue which they claimed was not an issue when these matters were  considered by the House of Lords Committee, specifically the 1971  British Waterways Act’s definition of Houseboat, which BW now holds to  always exclude craft that are navigable under their own power. Despite  petitioners to the Waterways Bill expressing concern about this very  definition in the 1990’s, the matter was not pursued precisely because  BW undertook to the House of Lords Committee that this point was not one  they would rely on. BW have in my view reneged on this crucial  undertaking. (See ref 3 b). and Section 12 therein).
I  fully support the premise in your paper that any security of tenure  issues should be dealt with by the mooring agreement (as opposed to by  the design or type of an individual craft). This approach deals with my  complaint about BW’s current interpretation of the existing legislation.  I have suggested this approach to BW as a remedy to my personal  concerns. My suggestion has never been responded to.
It  is BW’s current interpretation of the term “Houseboat” and their  refusal to date to re-visit this issue through discussion which forces  me to argue that new legislation is necessary. I also offer the  following reasons as to why I believe new legislation is necessary.”
References:
3  b). Special Report from the Select Committee on the British Waterways  Bill (HL) 73, 02 July 1991
4. Response from Nigel  Johnson (BW Legal Director) to my FoI request, headed “Houseboat  Certificates”, 22 June 2005.)
I hope these notes help  explain the current position as I understand it.
Simon  Robbins
August 2006
(The following extracts  are from the British Waterways Act 1995 (Crown Copyright))
Section  16:
Part III
Regulation and management of inland  waterways
General terms of houseboat  certificates. 
16.—(1) A houseboat certificate issued  or renewed after the passing of this Act under the Act of 1971 shall,  unless the certificate or some other document referred to in the  certificate provides otherwise, be subject to the general terms set out  in Schedule 1 to this Act in addition to such conditions (if any) as the  Board may determine under section 14 (Registration of houseboats) of  the Act of 1971.
(2) The Board shall on demand provide a  copy of the general terms for the time being in force under this  section to any person requiring the same and to the holder on the issue  or renewal of the certificate.
(3) A houseboat  certificate shall contain or refer to some other document containing the  general terms and any conditions to which it is subject.
(4)  The following provisions of the Act of 1971 shall cease to have effect—  
(a) in section 17 (Duration of boat certificates) (which applies  to the undertaking of the Board in Scotland)— 
(i) the words "and  a houseboat certificate" in subsection (1); and
(ii) the words  "or a houseboat certificate" in subsection (2);
(b) in section 19  (Registration of transfers of pleasure boats and houseboats)— 
(i)  the words "or a houseboat", "or a houseboat certificate, as the case  may be" and "or houseboat certificate" in subsection (1);
(ii) the  words "or houseboat certificate, as the case may be" and "or houseboat"  in subsection (2); and
(iii) the words "or houseboat, as the case  may be" in subsection (3).
Section 33:
As  to certain legal proceedings. 
33. Notwithstanding  anything in any other enactment or rule of law, where but for this  section any proceedings in respect of any provision of this Act could be  instituted in the High Court, those proceedings may be instituted in  the County Court.
SCHEDULE 1 
General  terms of houseboat certificates
Part I
Introductory
Interpretation 
1.  In this Schedule— 
"the certificate" means the  certificate relating to any houseboat;
"the holder"  means the person named in a certificate as the person having control of  the houseboat specified in the certificate or the assignee or personal  representative (within the meaning of section 55 of the [1925 c. 23.]  Administration of Estates Act 1925) of the person so named;
"the  houseboat" means the houseboat named or otherwise identified in the  certificate;
"local authority" has the meaning given by  section 270 of the [1972 c. 70.] Local Government Act 1972 or, in  relation to Scotland, section 235 of the [1973 c. 65.] Local Government  (Scotland) Act 1973;
"moor" includes place, keep or  maintain and "moored" shall be construed accordingly; and
"the  site" means the mooring or other location specified in the certificate.
Application  
2.—(1) Part II of this Schedule applies where— 
(a)  the Board own an interest in, or rights over, the site; and
(b)  the site is managed by the Board or their agent.
(2) Part III of  this Schedule applies to all certificates.
Part II
Terms applicable to sites controlled by Board
right  to moor houseboat 
3. Subject to the following  provisions of this Schedule the holder shall have the right to moor the  houseboat at the site throughout the period of validity of the  certificate. 
Qualification of right to moor 
4.—(1)  If the interest of the Board in the site is insufficient to enable them  to grant the right to moor the houseboat there for an indefinite  period, the period for which that right subsists shall not extend beyond  the date when the estate or interest of the Board determines.
(2)  If planning permission for the use of the site as a mooring has been  granted in terms such that it will expire at the end of a specified  period, the period for which the right to moor the houseboat at the site  subsists shall not extend beyond the date when the planning permission  expires.
(3) Paragraph 3 above shall not prejudice or  affect the right of the Board to move or to require the removal of the  houseboat under section 19 (Removal of vessels to permit works, etc.) of  this Act or any other powers available to the Board but, if they so  move or require the removal of the houseboat during the period of  validity of the certificate, the Board (unless they would be entitled  under paragraph 6 below to determine the certificate) shall make  available for it a suitable mooring or other location (which shall be  broadly comparable to the site) situated as near as is practicable to  the site, and shall permit the houseboat to be replaced at the site as  soon as practicable after the circumstances necessitating the removal  have ceased to apply.
(4) Any costs and expenses  occasioned by the removal and replacement of a houseboat under  sub-paragraph (3) above shall be paid by the Board. 
Assignment  of certificate 
5. The holder shall be entitled to  assign the certificate to a person (being aged 18 or over) approved by  the Board whose approval shall not be unreasonably withheld.
Part III
Terms applicable to all certificates
determination  of certificate 
6.—(1) The certificate shall remain in  force for the period or until the date specified therein unless— 
(a)  the certificate is surrendered pursuant to paragraph 8 below; or
(b)  the certificate is withdrawn pursuant to section 17 (Conditions as to  certificates and licences) of this Act; or
(c) the holder's  interest in or other right to moor at the site (otherwise than by virtue  of the certificate) ends; or
(d) the certificate is determined in  accordance with sub-paragraphs (2) and (3) below.
(2)  If the holder has contravened or failed to comply with any of the terms  or conditions applicable to the certificate the Board may give notice  requiring the holder to take or refrain from taking such action as may  be necessary to remedy the contravention or non-compliance, as the case  may be, within such time as may be reasonable (not being less than 28  days).
(3) If the holder does not comply with any  notice served pursuant to sub-paragraph (2) above the certificate shall  determine on the date on which the notice expires. 
Houseboat  not to be moored otherwise than in accordance with certificate 
7.  The holder shall not without the consent in writing of the Board moor  the houseboat otherwise than at the site except where paragraph 15 below  has effect. 
Surrender of certificate by holder 
8.  The holder shall be entitled to surrender the certificate by notice in  writing given to the Board not less than four weeks before the date on  which the notice is to take effect. 
Recovery of  overpayments by holder 
9. Where the certificate is  surrendered in accordance with paragraph 8 above, the holder shall be  entitled to recover from the Board so much of any payment made by him in  pursuance of the certificate as is attributable to a period beginning  after the termination. 
Display of certificate 
10.  The certificate shall be displayed on the houseboat so as to be clearly  visible from the outside of the houseboat at all times. 
Holder  to comply with planning law, etc. 
11. The holder of a  certificate shall comply in all respects with the terms of any planning  permission given in relation to the houseboat and with any other  enactment or byelaw in force applying to houseboats within the area in  which it is moored. 
Requirements of local authorities 
12.  The holder shall comply with the requirements of any notice served by a  local authority in respect of the houseboat, and shall also comply with  any limitation as to the number of persons permitted to sleep on board  which may be imposed by the local authority for the area where the site  is located. 
Sanitary appliances 
13.—(1)  The holder shall ensure that no sanitary appliance which in the normal  course of operation discharges, or can discharge, polluting matter into  any inland waterway is used on the houseboat.
(2) The  expression "polluting matter" does not include waste discharged from a  sink, wash basin, bath or shower. 
Sewage disposal 
14.  The holder shall ensure that there are available for the use of the  occupants of the houseboat means for disposing of sewage arising from  the occupation of the boat which are satisfactory to— 
(a) the  Board;
(b) in England and Wales, the National Rivers Authority;
(c)  in Scotland, the river purification authority for the area where the  site is located; and
(d) the local authorities for the area in  which the site is located.
Movement of houseboat 
15.—(1)  The houseboat may be moved from place to place but while being so moved  may not be navigated for hire.
(2) While the houseboat  is in the course of being moved the certificate shall be deemed to be— 
(i)  a pleasure boat certificate for the purposes of Part II of the Act of  1971, where the houseboat is on a river waterway within the meaning of  section 4 (Extent of Part II) of that Act; or
(ii) a pleasure boat  licence issued by the Board, when the houseboat is on any other inland  waterway;
and its use at such times shall be subject to  any conditions for the time being in force for the control of pleasure  boats and the holder shall comply with any requirements made by or under  any enactment applicable to pleasure boats.