Are works to listed buildings demolition or alteration?
It is essential that there is clarity and a shared understanding in the procedures that apply in assessing applications for listed building consent. How close are we to achieving this?
Applications for listed building consent either for alteration or for demolition are required in all four cases illustrated in Sketches 1–4. You are invited to test your understanding of this important procedural matter, particularly if you are a conservation officer. Try circling the correct number against questions 1–4(a) and 1–4(b) and writing down your answers against (c) and (d).
1. Existing flat roof (shown in green broken line) raised to increase headroom.
|3. Replacement of a 1900 outbuilding (shown in red).|
|4. Removal of internal and external walls (shown in red).|
- (a) Which of the four would require listed building consent for alteration (1, 2, 3, 4) and which for demolition (1, 2, 3, 4)?
- (b) Which of the four cases, if any, are notifiable to Historic England (1, 2, 3, 4)?
- (c) If you were not sure about the answers to (a) and (b), where would you look?
- (d) How would your local planning authority normally deal with such cases?
Question (a): Is it demolition or alteration?
Answer: Appendix D of Notifications Circular 01/2001 advises that: ‘The House of Lords judgment in the case of Shimizu (UK) Limited v Westminster City Council  1 All ER 481 affected the long-term accepted practice of interpreting the term listed building throughout the Planning (Listed Building and Conservation Areas) Act 1990 as including part of a listed building. This means that whether work amounts to demolition or alteration of a listed building must be considered in the context of the whole of the listed building and that demolition refers to pulling down a building so that it is destroyed completely or at least to a very significant extent.
It follows that a scheme of works which involves the demolition of part only of a listed building, falling short of the destruction of the whole listed building, will be works for alteration of the listed building and will not constitute demolition for the purposes of the Planning (Listed Building and Conservation Areas) Act 1990 unless they amount to a clearing of the site of the listed building for redevelopment.’
Question (b): ‘Excluded works’, ‘relevant works’ and notifiable alterations
Answer: Importantly, Arrangements for Handling Heritage Applications: Notifications to Historic England and National Amenity Societies and the Secretary of State (England) Direction 2015 (Direction 2015), section 3 under Interpretation, distinguishes between two newly introduced concepts, ‘excluded works’ and ‘relevant works’. It defines ‘relevant works’ as:
- (i) Works for the demolition of any principal building;
- (ii) Works for the alteration of any principal building which comprise or include the demolition of a principal external wall of the principal building; or
- (iii) Works for the alteration of any principal building which comprise or include the demolition of all or a substantial part of the interior of the principal building.
It goes on to define that for the purposes of subparagraphs (ii) and (iii) above, (a) what is meant by the demolition of a principal wall, which is a proposal to retain less than 50 per cent of the surface area, and (b) that the removal of any staircase, load-bearing wall, floor or roof structure is a proposal for the demolition of a substantial part of the interior. The definition of the ‘principal building’ remains the same as in preceding circulars and directions, meaning ‘a building shown on the list compiled under section 1 of the Act and [including]… any object or structure fixed to that building…’
Consider the implications. Point (ii) directs that removing the front facade of (for example) a Georgian listed building is an alteration to the listed building; point (iii) that gutting a listed building is also an alteration to the listed building. Importantly, however, both cases are ‘relevant works’, notifiable to Historic England under section 4.
Returning to question (b), Sketches 1 and 2 propose the removal of a roof structure, so they are treated under Direction 2015 as proposals for the substantial demolition of the interior of the listed building. As such they are ‘relevant works’ under section 3(iii)(b) and therefore notifiable to Historic England under 4(a)(ii) and the national amenity societies under 4(b)(bb). Sketch 3 includes the proposed works in Sketches 1 and 2, so it is also notifiable under the same clauses. It may also be notifiable under 3(ii)(a), depending on whether 50 per cent or more of one or both external facades is replaced. Sketch 4 is ‘excluded works’, unless a load-bearing wall is also removed.
Question (c): Appendix D of 01/2001; Direction 2015
Answer: Direction 2015 of the secretary of state (for communities and local government) to the local planning authorities in England in exercise of powers conferred on him or her by the Planning (Listed Buildings and Conservation Areas) Act 1990 came into effect on 15 April 2015. Preceding circulars (and, significantly, Circular 01/2001) were revoked on the same date. Their replacement was part of the government drive to reduce the amount of published paperwork that applicants and planning authorities would have to consider. Impressively, Direction 2015 is three pages long, compared to the 42 pages of Circular 01/2001, and has consolidated and updated a number of henceforth-repealed circulars.
However, Appendix D was also repealed without the inclusion of replacement guidance. So, while the Shimizu case implications remain unchanged, their understanding is undermined by the absence at present of the simple guidance which Appendix D had very effectively provided from 1997 to 2015. This is particularly important for younger professionals who did not experience the introduction of such implications back in 1997, and others who may have forgotten them. Although Appendix D has been revoked, it remains as pertinent to the relevant issues as the guidance given by the House of Lords judgement, although the latter is in legal language, and rather long and difficult to interpret unless (or even if) you are a planning lawyer.
As a reminder, the Shimizu judgement defined the meaning of ‘listed building’ and the meaning of ‘demolition’ in the context of the act, and Appendix D explained the implications very well. Looking at Direction 2015, the meaning of ‘principal building’ is consistent with the Shimizu ruling, and clauses (i), (ii) and (iii) in section 3 are clear as to what is not demolition by defining what is alteration under (ii) and (iii).
So clearly under (ii) the loss of a principal facade and under (iii) the complete loss of the interior and/or original roof are both alterations not demolition, which is again consistent with the Shimizu ruling and Appendix D. There can be no doubt that, as with repealed documents, Direction 2015 is best (possibly only fully) understood in the context of the advice in the repealed Appendix D.
Question (d): The application form and ‘partial demolition’ Answer:
While, as it would be expected, the listed building consent application form separates Demolition (Q9) from Alteration (Q10), it also introduces under Q9 the concept of ‘partial demolition’, a term which is not explained in Direction 2015 or the Planning Portal, and as such is devoid of statutory meaning. Yet there is a belief in planning departments that it is the disclosure of demolition and/or ‘partial demolition’ that makes works notifiable to Historic England.
This is unsafe practice, as demonstrated by the examples cited above. Are the proposed (notifiable) works shown in Sketches 1 and 2 ‘partial demolition’? If so, are the (excluded) works in Sketch 4 ‘partial demolition’ too? In a recent case, local planning authority officers were clearly unaware that the works in Sketch 1 and 2 were notifiable to Historic England; the same local authority asked for a repeat application for ‘partial demolition’ for the works in Sketch 3 which contained the (notifiable) works in Sketches 1 and 2, so as to notify Historic England and the national amenity societies.
There is evidence of a lack of appreciation among statutory authority officers of the requirements of Direction 2015 and of its adverse effect, on one hand of trivialisation of the significance of an application for the demolition of a listed building (which since the Shimizu judgement means its complete destruction), and on the other of running a very high risk of missing notifiable ‘relevant works’. The reinstatement of Appendix D and eliminating ‘partial demolition’ from the application form will remove confusion and restore a shared understanding of the statutory provision for all concerned.
As it stands, the only safe approach for the applicant/ agent and statutory authorities appears to be through ‘blindfold’ applications for ‘partial demolition’ for anything that is removed with Historic England notification on all works, whether ‘excluded’ or ‘relevant’.
This article originally appeared as ‘Listed building consent: demolition, or alteration?’ in IHBC’s Context 154, published in May 2018. It was written by Eleni Makri, an accredited conservation architect and Bob Kindred MBE, the IHBC government liaison secretary.
Related articles on Designing Buildings Wiki
- Conservation officer.
- Historic England.
- IHBC articles.
- Listed Building Consent Order.
- Listed building consent.
- Listed building.
- Local Listed Building Consent Orders.
- Planning (Listed Buildings and Conservation Areas) Act.
- The Institute of Historic Building Conservation.
- What approvals are needed before construction begins.
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