Side and front extensions to the property
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Inspector’s Reasoning
Appeal Decision
Site visit made on 12 March 2025
by P D Sedgwick BSc (Hons) DipTP MRTPI
an Inspector appointed by the Secretary of State
Decision date: 28 March 2025
Appeal Ref: APP/D0121/D/25/3359903
Glen Orchy, Lake Road, Portishead, North Somerset, BS20 7JA
• The appeal is made under section 78 of the Town and Country Planning Act 1990 (as amended)
against a refusal to grant planning permission.
• The appeal is made by Robertshaw against the decision of North Somerset Council.
• The application Ref is 24/P/1250/FUH.
• The development proposed is side and front extensions to the property.
Decision
1. The appeal is allowed and planning permission is granted for side and front
extensions to the property at Glen Orchy, Lake Road, Portishead, North Somerset,
BS20 7JA, in accordance with the terms of the application, 24/P/1250/FUH, and the
plans submitted with it, subject to the following conditions:
1) The development hereby permitted shall begin not later than 3 years from the
date of this decision.
2) The development hereby permitted shall be carried out in strict accordance with
the following approved plans: Dwg Nos: 24-0110 D01 Rev 17; 24-0110 D03 Rev
17; 24-0110 D05 Rev 17; 24-0110 D07 Rev 17; 24-0110 D08 Rev 17.
3) The materials to be used in the construction of the external surfaces of the
development hereby permitted shall match those used in the existing building.
4) The development hereby permitted shall not be carried out except in
accordance with the approved Arboricultural Report Impact assessment and
method statement prepared by Wotton Tree Consultancy, dated 2nd July 2024.
Main Issue
2. The main issue is the effect of the proposed development upon the living conditions
of occupiers of neighbouring properties, with particular regard to outlook and
privacy.
Reasons
3. Houses on Lake Road are set back from the road edge on land sloping up away
from the road. The appeal property is detached with several rooms in the roof
space and is further back from the road than the neighbouring houses, Copper
Cliffs and Shiplanes. As a result of its proximity to their side boundaries and
elevated position to their rear, the appeal property already affects the outlook from
these neighbouring houses and gardens to some extent.
Appeal Decision APP/D0121/D/25/3359903
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4. The appeal dwelling has a varied form with elements projecting out on all sides.
The proposed alterations and extensions would infill parts of the ground and first
floor, extending the walls out to the side in line with the existing projecting
elements, and altering the roof height and profile to accommodate additional living
space. They would increase its mass and bulk bringing sections of side wall closer
to the boundaries with both neighbours. It would also bring part of the first floor
forward, extending a bedroom at the front of the house. Existing windows would be
replaced with floor to ceiling windows in a new gable end with a higher roof than the
existing one. This would also increase the mass of the front of the house, visible
from both neighbouring houses and gardens.
5. The appeal dwelling sits between the neighbouring properties, both of which have
large rear gardens. It is set back some distance from the rear of the houses, and to
the side, rather than directly behind them. As a result, its visual impact is peripheral
when viewed from neighbours’ rear windows and patio areas in front of them. It is
also partially screened from Copper Cliffs by hedges and trees along the boundary
and from Shiplanes by a fence and trees. The proposed changes would noticeably
increase the mass of the dwelling, particularly when viewed side on from halfway
down Copper Cliffs’ garden. However, it is far enough away from both neighbours’
rear windows and patios that the proposed extensions would not appear so
dominant from their habitable rooms and main outdoor amenity areas that they
would cause unacceptable harm to the living conditions of their occupants.
6. Extensions and alterations to the first floor would include a floor to ceiling window
on the west elevation closest to Copper Cliffs’ side boundary. It would be set back
from the position of an existing window which is on a section of gabled roof to be
removed. However, that window is to the side of an office and over a void, thus
preventing direct views from it towards the neighbour’s patio and rear windows. The
proposed new window would serve a bedroom, and occupants would be more
easily able to look over towards Copper Cliffs than from the existing window.
However, the plans indicate that it would slightly exceed the minimum gap required
between windows of habitable rooms, set out in the council’s Supplementary
Planning Document Residential Design Guide – section 1 Protecting living
conditions of neighbours properties (2013) (SPD).
7. I note that the SPD advises that where there are differences in ground levels the
distances between neighbouring windows may need to be increased, and that
vegetation should not be relied upon for screening because it could die or be
removed. However, the windows would be off set at an oblique angle to each other.
Consequently, views from the proposed window towards Copper Cliffs would be
peripheral, rather than direct, thus limiting the potential for overlooking despite the
differences in window heights. Furthermore, the proposed window would face
directly towards the Bristol Channel, drawing attention towards the sea and shore
and away from the neighbour’s house and garden. For these reasons, I consider
the distance between this particular proposed bedroom window and those of
Copper Cliffs to be sufficient to avoid unacceptable levels of overlooking from it.
8. A replacement gable section would project to the side and forward of the proposed
bedroom window described above and include floor to ceiling windows and a Juliet
balcony. These would be forward of the existing first floor windows that they would
replace, and level with the proposed ground and first floor living room and dining
room windows. Nonetheless, they would meet the SPD minimum distance
Appeal Decision APP/D0121/D/25/3359903
3
requirements and views from them towards Copper Cliff would be more oblique
than from the other bedroom window. Views from the proposed Juliet balcony
would be similarly drawn towards the sea and away from neighbouring houses and
gardens. Therefore, the potential for overlooking from these windows would be the
same or less than from the bedroom window to their side. Even if vegetation that
currently provides screening were to be removed, the distances and angle of view
between the proposed windows and neighbouring properties would be sufficient to
limit overlooking and protect neighbours’ living conditions.
9. Overall, I conclude that the proposed development would not conflict with Policies
DM32 and DM38 of the North Somerset Sites and Policies Plan (Part 1) (2016), the
SPD and Policy PWH2 of the Portishead Neighbourhood Plan (2023) which require
that development should not harm the living conditions of adjoining occupiers.
Other Matter
10. Representations raised concerns relating to the proposed design, its impact on light
to neighbouring properties and the effect of construction traffic and activity on
neighbours’ amenity and highway safety. I have had regard to these matters and
agree with the Council in concluding that either no harm would occur, or that based
on the evidence before me the level of harm would not be significant enough to
warrant withholding planning permission.
11. An Arboricultural Report was submitted with the planning application. No trees are
proposed for removal, but tree protection measures are proposed during
construction which the Council’s Tree Officer recommended should be
implemented and secured by planning condition.
Conclusion and Conditions
12. For the reasons given above I conclude that the appeal should be allowed.
13. I have attached the standard time limit condition and a plans condition as this
provides certainty. I have also added a condition concerning materials to ensure a
satisfactory appearance and a condition to protect the existing trees on the site
during construction.
P D Sedgwick
INSPECTOR
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