Permitted development excluded in an AONB

There is so much material awaiting posting that it is difficult to know where to begin, but I thought I would start with a recent query I received about the extent to which Permitted Development is excluded in an Area of Outstanding Natural Beauty. The question arose because the AONB in question encompasses a great number of towns and villages, most of which contain undistinguished housing far removed from anything that could possibly be described as being of outstanding natural beauty.

My correspondent therefore asked me whether the LPA is correct in asserting that permitted development rights are excluded in respect of development within the curtilage of a dwellinghouse (under Part 1 of the Second Schedule to the General Permitted Development Order) because this is a settlement that is ‘washed over’ by the AONB designation, and is not excluded from it. The site in question is not in a conservation area.

[What follows applies in England only, not in Wales, which has different rules.]

In most AONBs, the designation covers a wide area, and towns and villages within the area are not excluded, although the boundary may be drawn around the outside of a large town if it is on the periphery of the area. The limited contribution (if any) that even the most undistinguished part of any settlement within an AONB makes to the natural beauty of the area does not affect the position in any way.

Permitted development rights are slightly reduced (but are not wholly removed) in relation to Part 1 of the Second Schedule to the General Permitted Development Order (development within the curtilage of a dwellinghouse) in certain areas (“Article 1(5) land”) which include any property anywhere within an AONB. I have confined this note to AONBs, as there is a very subtle distinction in respect of these areas, compared with other “Article 1(5) land (such as conservation areas).

Under Class A, the temporary right (until 30 May 2016) to build larger domestic extensions is excluded in an AONB. Other excluded development within Class A comprises the cladding of any part of the exterior of the dwellinghouse with stone, artificial stone, pebble dash, render, timber, plastic or tiles, any extension beyond a wall forming a side elevation of the original dwellinghouse and any extension of more than one storey beyond the rear wall of the original dwellinghouse. But, with these exceptions, other extensions and alterations within Part A can still be built within an AONB.

The enlargement of a dwellinghouse consisting of an addition or alteration to its roof (under Class B) is also excluded in an AONB, but minor alterations to the roof under Class C are not excluded. The erection or construction of a porch outside any external door of a dwellinghouse (under Class D) is not excluded either.

As regards Class E (the provision within the curtilage of the dwellinghouse of any building or enclosure, swimming or other pool required for a purpose incidental to the enjoyment of the dwellinghouse as such, or the maintenance, improvement or other alteration of such a building or enclosure; or a container used for domestic heating purposes for the storage of oil or liquid petroleum gas), development is not permitted in an AONB by Class E if the total area of ground covered by buildings, enclosures, pools and containers situated more than 20 metres from any wall of the dwelling-house would exceed 10 square metres, but devlopment closer to the house is OK. In an AONB, development under Class E is also excluded if any part of the building, enclosure, pool or container would be situated on land between a wall forming a side elevation of the dwellinghouse and the boundary of the curtilage of the dwellinghouse.

Development under Class F (the provision within the curtilage of a dwellinghouse of a hard surface for any purpose incidental to the enjoyment of the dwellinghouse as such, or the replacement in whole or in part of such a surface) is not affected.

In the case of Class G (the installation, alteration or replacement of a chimney, flue or soil and vent pipe on a dwellinghouse) this development is not permitted within an AONB if the chimney, flue or soil and vent pipe would be installed on a wall or roof slope which fronts a highway, and forms either the principal elevation or a side elevation of the dwellinghouse.

Development under Class H (the installation, alteration or replacement of a microwave antenna on a dwellinghouse or within the curtilage of a dwellinghouse) is permitted in an AONB, but not if it would consist of the installation of an antenna on a chimney, wall or roof slope which faces onto, and is visible from, a highway, or on a building which exceeds 15 metres in height.

If you look at Part 1 of the GPDO, you will see that this still leaves quite a wide variety of permitted development that can be carried out within an AONB, subject to the usual limitations and conditions set out in the Order. It is certainly not the case that permitted development rights are wholly or substantially removed within an AONB. On the other hand, local planning authorities have the power to exclude permitted development rights by means of an Article 4 Direction, and also by means of a condition attached to a planning permission, and this is perhaps more likely within an AONB (and on other “Article 1(5) land”, such as a Conservation Area) than elsewhere.

So the LPA in question was correct up to a point in the case that was put to me, but the effect of the exclusion of certain permitted development rights should not be over-stated.

© MARTIN H GOODALL

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Can conditions preclude Permitted Development

The immediate answer to this question is that of course they can, and such conditions are quite common. They are usually along the lines that “Notwithstanding [the GPDO – variously referred to] no development shall take place under Part 1, Classes A or E [etc. etc.]” (or as the case may be). Some conditions even exclude all types of PD under the whole of Parts 1 and 2. There is no doubt that if the condition is worded with sufficient precision (and most are) the type of permitted development specified by the condition cannot be carried out, and a planning permission would have to be sought instead. There must, of course, be an objective justification for such a condition, and I have come across rather too many examples of these conditions which were imposed without any such justification. The remedy in such a case is an application under section 73 (and, if necessary, an appeal against a refusal to remove the condition). I have even won costs against the LPA in such appeals.

However, I have recently been asked by a correspondent about the effect of a rather differently worded condition in relation to the recently introduced right to convert an office (Use Class B1(a)) to residential use. In this case, a duly implemented planning permission which had authorised a change of use of premises to office use contained a condition that read: “The premises shall be used as an office (Use Class B1a) and for no other purpose (including any other purpose in Class B of the Schedule to the Town and Country Planning (Use Classes) Order 1987 or in any amendment thereof).” Does this preclude a change of use to Use Class C3 under the new GPDO provisions (subject to the qualifying criteria and compliance with the prior approval procedure)?

At first sight, it appeared to me that this condition does have that effect – if you simply take the words : “The premises shall be used as an office (Use Class B1a) and for no other purpose. But second thoughts suggested otherwise. It seems to me that this condition does not (and cannot) preclude an application for planning permission for a further change of use. It was designed solely to prevent the use being changed within Use Class B1 in reliance on the terms of section 55(2)(f) of the 1990 Act (whereby such a change of use within the same use class would not constitute development within the meaning of the Act). Any other change of use, to a use outside the scope of Class B1, would have been development in any event, and would have required planning permission. Thus, if planning permission were to be granted for such a further change of use, it would supersede the previous permission (and its conditions). What Part 3 of the Second Schedule to the GPDO does is exactly the same; it grants planning permission (subject to certain requirements being met) for a further change of use. The condition in question cannot therefore have the effect of precluding this.

There are several reasons for reaching this conclusion. First, the condition referred specifically to the Use Classes Order and contained no reference at all to the GPDO. I do not consider that the quoted wording could be stretched to include the GPDO or to be construed so as to do so. Furthermore, if permitted development was intended to be precluded by this condition, this should have been stated in clear terms. It is well settled law that conditions must be clear in their intention and effect; their purpose cannot be implied. Permitted Development cannot be precluded by implication. If an LPA wishes to preclude PD, it must word the condition in such a way as expressly to remove specific PD rights.

I mentioned above that if planning permission were to be granted for a further change of use, it would supersede the previous permission (and its conditions). As I have pointed out, what the GPDO does is to grant planning permission for a further change of use. This is the primary reason for my taking the view that this condition in the previous permission does not preclude the further change of use now authorised by Part 3. For the same reason, I do not consider that the condition would prevent the other change of use permitted by Part 3 (subject to a floorspace limitation) from B1 to B8.

I recall that there used to be some doubt as to whether development carried out as permitted development would be free of conditions under an existing planning permission. The conclusion (although I can’t recall offhand the relevant authority for this) was that the conditions continued to apply to the property as a whole. However, I don’t see that rule as being applicable in this context, where planning permission is given by the GPDO for an entirely different use of the property, at least so far as concerns conditions that were specifically addressed to the actual use of the property. Where the GPDO authorises a change of use under Part 3, it seems to me that any such conditions attached to the earlier permission would no longer apply. The position as regards other conditions (for example as regards car parking) may, however, be more doubtful.

No doubt there are those who would take a different view, and I cannot pretend that the answer I have given above to the question that was posed to me is the last word on this subject. But for what it’s worth, and subject to any contrary statutory or judicial authority that might be brought to my attention, I don’t believe that a condition like the one quoted above would preclude a change of use under the GPDO.

UPDATE: In case anyone didn’t see Steve Jupp’s helpful contribution to this discussion among the comments posted below this item, I thought it might be useful to follow him in drawing attention to paragraph 86 of Circular 11/95 (recently cancelled, I know, but in my view the statements it contained are still relevant and should continue to be applied). This paragraph stated in clear terms that “a general condition which restricts the use of land does not remove permitted development rights for that use unless the condition specifically removes those rights as well.” Q.E.D.

NOTE: This topic is more fully discussed in the author’s new book - ”A PRACTICAL GUIDE TO PERMITTED CHANGES OF USE” published by Bath Publishing in October 2015. You can order your copy by clicking on the link on the left-hand sidebar of this page.

© MARTIN H GOODALL

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