Appeal Against Conditions
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Extensions
Character & Appearance
Inspector’s Reasoning
Appeal Decision
Site visit made on 17 August 2020
by P W Clark MA(Oxon) MA(TRP) MRTPI MCMI
an Inspector appointed by the Secretary of State
Decision date: 19 August 2020
Appeal Ref: APP/C5690/D/20/3245864
74 Canonbie Road, London SE23 3AG
• The appeal is made under section 78 of the Town and Country Planning Act 1990
against a refusal to grant planning permission under section 73 of the Town and
Country Planning Act 1990 for the development of land without complying with
conditions subject to which a previous planning permission was granted.
• The appeal is made by Mr & Mrs Kirsty and Andrew Yaldron and Sandoz against the
decision of the Council of the London Borough of Lewisham.
• The application Ref DC/19/114145, dated 2 October 2019, was refused by notice dated
27 November 2019.
• The application sought planning permission for construction of a roof extension to
replace the existing pitched roof and dormer at 74 Canonbie Road, SE23, together with
a single storey rear extension, first floor rear extension, raised rooftop bed-space, and a
balcony on the rear elevation without complying with a condition attached to planning
permission Ref DC/19/113110, dated 30/09/2019.
• The condition in dispute is № 5 which states that: No development pertaining to the
roof extensions hereby permitted shall proceed to formation of the new roof structure
until the roof covering of the adjoining property has been removed and scaffolding
constructed to enable implementation of the permission DC/19/113147.
• The reason given for the condition is: to ensure that there is a reasonable prospect of
both developments being completed in the interests of achieving high quality design
sensitive to the character of the host building and streetscene.
Decision
1. The appeal is allowed and planning permission is granted for construction of a
roof extension to replace the existing pitched roof and dormer, together with a
single storey rear extension, first floor rear extension, raised rooftop bed-
space, and a balcony on the rear elevation at 74 Canonbie Road, SE23 3AG in
accordance with the application Ref DC/19/114145, dated 2 October 2019,
without compliance with condition number 5 previously imposed on planning
permission Ref DC/19/113110, dated 30/09/2019 but subject to all other
conditions previously imposed namely;
1) The development to which this permission relates must be begun not
later than the expiration of three years beginning with the date on which
the permission is granted.
2) The development shall be carried out strictly in accordance with the
application plans, drawings and documents hereby approved and as
detailed below: 001; 002; 003; 004; 005; 006; 007; 008; 009; 010;
011; 012; 013; 014; Massing Study.
Appeal Decision APP/C5690/D/20/3245864
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3) No development shall commence on site until a detailed schedule and
specification of all roof coverings and balcony materials to be used on the
building have been submitted to and approved in writing by the local
planning authority. The development shall be carried out in accordance
with the approved details.
4) Notwithstanding the Town and Country Planning (General Permitted
Development) Order 2015 (or any Order revoking, re-enacting or
modifying that Order), the use of the flat roof on the building hereby
approved, other than those designated as a balcony or Juliette balcony as
in drawing number 004, shall be as set out in the application and no
development or the formation of any door providing access to the roof
shall be carried out, nor shall the roof area be used as a balcony, roof
garden or similar amenity area.
Reasons
2. The sole main issue in this appeal is the effect on the street scene of the
implementation of permission DC/19/113110 without the parallel
implementation of permission DC/19/113147. The two proposals are designed
in complementary fashion but are equally designed to be implemented
separately, as the Council’s report acknowledges.
3. Canonbie Road is an eclectic mixture of properties. It includes detached
houses of individual styles, juxtaposed buildings of different styles which share
a party wall, semi-detached symmetrically handed houses of varying styles
and, immediately to the north of the site of this appeal, a short terrace of
notable assymetry. Even where pairs of houses are handed, steep stepping
down because of the topography frequently confounds symmetry.
4. In the present case, although the pair of houses are on a level, they have
already been so altered that their original symmetry is largely lost. One has
retained its hipped roof, the other not. One has a side dormer, the other has
front rooflights. Both have windows replaced, but to different designs,
materials and colours. One has its façade brickwork painted, the other not.
5. Implementation of the two proposals together would reduce but not eliminate
their existing differences. Although their façade materials, ground and first
floor window openings would match and their appearance at roof level would
be complementary, noticeable differences would remain. Both would have
large glazed box-like additions to the roof but one would be centred on a first
floor window, the other would not. One would project forward from the façade,
the other would not. One would have a balcony to its side, the other would
not. One would have a second, rectangular, glazed belvedere sitting on top of
the first, the other would not. So, although aesthetic benefits would accrue
from the implementation of both proposals because they would be
complementary, that outcome, and therefore, the condition, would not secure a
restoration of symmetry and so cannot be said to be necessary unless the
outcome without the condition would be unacceptable in itself.
6. Without the condition, the implementation of the current proposal by itself
would intensify the degree to which the two houses would lose their original
symmetry; the size of first floor windows in the appeal property would alter
and so differ from their neighbour, the two box-like belvederes would be quite
unlike the hipped side dormer of their neighbour and the roof material would
Appeal Decision APP/C5690/D/20/3245864
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change from a tile to metal. It would appear as though the two properties had
been designed to share little more than a party wall.
7. But, that is a situation not without precedent in the street. A few doors along,
number 80, which appears to be a block of flats of relatively modern
appearance shares a party wall and eaves, ridge and building lines with a
neighbouring house of a quite contrasting design. Numbers 96 and 98 are
similarly juxtaposed, differing designs. The terrace of four including number 70
has already been noted. Although symmetry does figure extensively within the
street, so does asymmetry and incongruity. That is part of its character.
8. I therefore conclude that the effect of allowing permission DC/19/113110 to
proceed without complying with condition 5 would be consistent with the
character of Canonbie Road. The Council’s report accepts that the proposed
standing seam metal roof cladding would be a high quality complementary
material. Hence, the outcome would comply with Core Strategy policy CS15
which calls for design sensitive to the local context and responding to local
character and with policies DM30 and DM31 of the Development Management
Local Plan adopted in November 2014 which amongst other matters call for the
creation of a positive relationship to the existing townscape and topography to
create an urban form which contributes to local distinctiveness such as
roofscape, views, panoramas and vistas and the use of high quality materials.
9. In the event of the appeal being allowed, the Council makes suggestions for
three conditions to be imposed but these are unnecessary and inappropriate as
the remaining conditions attached to permission DC/19/113110 are not
challenged by this appeal decision, remain necessary for the reasons given in
that original permission and are therefore reiterated in this decision.
P. W. Clark
Inspector
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