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Addendum to Planning Policy Statement 7: Purpose and Scope
NI-wide·PPS 7 Addendum Residential Extensions and Alterations
This Addendum to PPS 7 sets out the Department's planning policy for achieving quality in relation to proposals for residential extensions and alterations. It also provides guidance which is intended
dwellingsite-planningPurpose and Scope of PPS 7 Addendum
NI-wide·PPS 7 Addendum Residential Extensions and Alterations
This document is an Addendum to PPS 7 'Quality Residential Environments' and must be read in conjunction with the policies contained within that PPS. The Addendum provides an additional planning polic
dwellingflatsresidentialextensionsalterationsStatus and Precedence
NI-wide·PPS 7 Addendum Residential Extensions and Alterations
This Addendum to PPS 7 supersedes policy HOU 16 'House Extensions' of the Planning Strategy for Rural Northern Ireland. Where this policy is referred to elsewhere in the Planning Strategy, the policy
dwellingextensionsIntroduction to Extensions and Alterations
1.1NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Extensions or alterations are one of the most common changes made to our homes to cater for our changing domestic requirements. In some cases it is possible to carry out a small extension or make an a
dwellingflatsplanningValue of Extensions and Alterations
1.2NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The Department recognises the value of extensions and alterations in improving residential property as this not only leads to the modernisation and revitalisation of older stock, but can also reduce d
dwellingBalancing Homeowner Needs with Residential Amenity
1.3NI-wide·PPS 7 Addendum Residential Extensions and Alterations
For the individual homeowner, altering or extending the home can offer the desirable option of providing accommodation to meet the needs of their family. However, this needs to be balanced with consid
dwellingKey Objectives of the Addendum
1.4NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The key objectives of this Addendum are: • to promote high quality in the design of residential extensions and alterations; and • to ensure that such works are sympathetic to the original property; re
dwellingdesignPlanning Policy Framework for Residential Extensions and Alterations
2.0NI-wide·PPS 7 Addendum Residential Extensions and Alterations
In exercise of its responsibility for planning control in Northern Ireland the Department assesses development proposals against all planning policies and other material considerations that are releva
dwellingsite-planningPolicy EXT 1: Residential Extensions and Alterations
Policy EXT 1NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Planning permission will be granted for a proposal to extend or alter a residential property where all of the following criteria are met: (a) the scale, massing, design and external materials of the p
dwellingdesignJustification and Amplification - Design Standards and Impact Assessment
2.1, 2.2, 2.3NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The Department wishes to encourage the highest standard of design for all development, including proposals for residential extensions and alterations. Good design will help promote sustainable develop
dwellingdesignSustainable Design in Residential Extensions and Alterations
2.5NI-wide·PPS 7 Addendum Residential Extensions and Alterations
In promoting good design for residential alterations and extensions, the Department will encourage proposals which incorporate features intended to maximise sustainability and energy efficiency, inclu
dwellingenergyresidential-extensionLandscape Protection in Extensions and Alterations
2.6NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The Department will resist proposals for extensions or other ancillary buildings that would result in the loss of significant local landscape features, in particular trees which are the subject of a T
dwellingexternal-spaceconservationresidential-extensionAccessible Design for People with Disabilities
2.7NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The Department will give sympathetic consideration to proposals where an extension or alteration is required for a person with a disability or whose mobility is otherwise impaired. If imaginative and
dwellingaccessibilityresidential-extensionAncillary Accommodation Requirements
2.8, 2.9NI-wide·PPS 7 Addendum Residential Extensions and Alterations
There may be occasions when people wish to provide ancillary accommodation to provide additional living space for elderly relatives or to meet a variety of other personal and domestic circumstances. T
dwellingresidential-extensionancillary-accommodationOutbuilding conversion and extension requirements
2.10NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Where an extension to the existing house is not practicable and it is proposed to convert and extend an existing outbuilding, planning permission will normally depend on the development providing a mo
dwellingAncillary use condition and neighbour impact
2.11NI-wide·PPS 7 Addendum Residential Extensions and Alterations
In all cases the Department will need to be satisfied that the proposed accommodation will remain ancillary to the main residential property and careful consideration will be given to the impact of pr
dwellingRural design sensitivity
2.12NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Care will be needed to ensure that a proposal to extend or alter a dwelling in the countryside is sensitive to its setting within the rural landscape. This is particularly important where it is propos
dwellingruralHeritage considerations for extensions and alterations
2.13NI-wide·PPS 7 Addendum Residential Extensions and Alterations
In assessing planning applications for residential extensions and/or alterations in Conservation Areas, Areas of Townscape Character and those affecting Listed Buildings, the Department will also cons
dwellingconservationPurpose of Annex A Guidance
A1NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The purpose of this Annex is to set out the Department's detailed guidance to provide a consistent basis against which to consider an extension and/or alteration to a dwelling house or flat, including
dwellingflatsDesign Principles for Quality and Value
A2NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The guidance is intended to advise home owners on how to extend or alter their property in a neighbourly manner that is sympathetic with the original property, respects the character and appearance of
dwellingflatsMain Considerations for Planning Determination
A3NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Although the guidance may not cover all the site specific issues that can arise it covers the main considerations that will be taken into account when determining a planning application. If it is foll
dwellingflatsIntegration with Existing Property and Surroundings
A4NI-wide·PPS 7 Addendum Residential Extensions and Alterations
An extension or alteration to a residential property should be designed to become an integral part of the property both functionally and visually. Such works should not be designed in isolation solely
dwellingflatsHigh Quality Design Solutions
A5NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The overall aim is to encourage high quality design solutions irrespective of whether the approach followed seeks to mirror the style of the existing property or adopts a contemporary modern design ap
dwellingflatsScale, Proportion and Height Requirements
A6NI-wide·PPS 7 Addendum Residential Extensions and Alterations
An extension or alteration should not be so large or so prominent as to dominate the host property or its wider surroundings, rather development proposals should be in scale with existing and adjoinin
dwellingflatsruralUrban context - massing and side extensions
A7NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Proposals in an urban context should not overdevelop the site in terms of massing, plot size and proximity to boundaries thereby, for example, creating a visual 'terrace' effect. This is one of a numb
dwellingexternal-spaceSemi-detached dwellings - side extensions setback requirements
A8NI-wide·PPS 7 Addendum Residential Extensions and Alterations
A further concern may arise where a side extension to a semi-detached dwelling is proposed at the same height and follows the same building line as the block comprising an original pair of dwellings.
dwellingFront extensions and alterations - design and street scene
A9NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Extensions or alterations to the front of a property require great care as the front elevation is often the most visible to public view. Poor design can upset the architectural integrity of the existi
dwellingBoundary infringement and neighbouring property rights
A10NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Alterations or an extension to a dwelling should not infringe upon a neighbour's property. For example, it is an infringement of a neighbour's property rights should foundations or guttering encroach
dwellingGarages and outbuildings - scale and design
A11NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Buildings within the residential curtilage, such as, garages, sheds and greenhouses can often require as much care in siting and design as works to the existing residential property. They should be su
dwellingexternal-spaceGarages or outbuildings in front gardens
A12NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Garages or outbuildings wholly located in front gardens or those that extend in front the established building line can over-dominate the front of the property and detract from the street scene and wi
dwellingexternal-spaceAncillary buildings in the countryside
A13NI-wide·PPS 7 Addendum Residential Extensions and Alterations
In the countryside, ancillary buildings should be designed as part of the overall layout to result in an integrated rural group of buildings
dwellingruralRoof type and pitch matching
A14NI-wide·PPS 7 Addendum Residential Extensions and Alterations
An extension or alteration which copies the roof type and angle of pitch of the original residential property will be more successful than those proposals that introduce a completely different type of
dwellingLoft space conversions and roof alterations
A15NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The use of loft space to provide bedrooms or other living space can often provide additional accommodation. However, alterations to the roof profile of any building can be particularly sensitive as ro
dwellingmeans-of-escapeRoof forms and chimneys rhythm and uniformity
A16NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The regular repeated rhythm and uniformity of roof forms and chimneys may be a particular feature of a group of similar buildings or the wider townscape and should therefore be retained. If elements,
dwellingDormer windows visibility and design
A17NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Where a dormer is open to public view, it can interfere with both the original design of the existing building and cause a visual intrusion into the street scene or rural setting. Dormer windows to th
dwellingDetailing and Window Alignment
A18NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Attention should be paid to design details such as the position, shape, proportion and style of windows, doors and other features to complement the existing property and respect the character and appe
dwellingaccessexternal-spaceIntegration of Ornamentation and Special Features
A19NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Older residential properties in particular often have interesting arches, brick detailing and other special features or ornamentation which add character. Continuing or reflecting such ornamentation a
dwellingconservationExternal Finishes and Materials
A20NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The external finish of a proposal should aim to complement the type of materials, colour and finish of both the existing building and those of neighbouring properties, particularly where certain mater
dwellingconservationSustainable Design Approach
A21NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The Department wishes to promote and encourage a sustainable approach to development. The extension or alteration to a residential property can provide the opportunity to improve its sustainability in
dwellingenergyexternal-spaceSustainable Materials and Renewable Energy Systems
A22NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Where existing walls are being demolished or roofs altered, existing materials can often be salvaged and re-used, which will benefit the visual appearance of the new work and its integration with the
dwellingenergyexternal-spaceconservationWalls and Fences
A23NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Walls and fences, particularly in front gardens, can also have a significant effect on the appearance of the property and streetscape. When erected beside driveways or on corner sites they can have an
dwellingexternal-spaceCountryside Impact
A24NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The impact of an extension or alteration on the visual amenity of the countryside and, in particular, Areas of Outstanding Natural Beauty needs to be considered. Proposals should be in keeping with th
dwellingruralconservationRural Dwellings Landscape Integration
A25NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Many rural dwellings occupy larger plots than their urban counterparts. Whilst there may be sufficient room on the plot to accommodate an extension in physical terms, great sensitivity is required to
dwellingruralconservationRural Boundary Treatments
A26NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The suburban boundary treatment of walls or fences and the introduction of ornate pillars are inappropriate in the rural landscape and will be resisted.
dwellingruralexternal-spaceconservationResidential Amenity Protection
A27NI-wide·PPS 7 Addendum Residential Extensions and Alterations
The Department considers it important that the amenity of all residents is protected from 'unneighbourly' extensions as these can cause problems through overshadowing/loss of light, dominance and loss
dwellingflatsPrivacy - Overlooking Risks and Mitigation
A28NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Except in the most isolated rural location, few households can claim not to be overlooked to some degree. The protection of the privacy of the occupants of residential properties is an important eleme
dwellingresidential-extensionsprivacyexternal-spacePrivacy - Spacing and Dormer Windows
A29NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Proposals should seek to provide reasonable space between buildings in order to minimise overlooking. This will also assist in providing acceptable levels of daylight to properties. In the case of dor
dwellingresidential-extensionsprivacyglazingexternal-spacePrivacy - Garden Overlooking
A30NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Overlooking of gardens may be unacceptable where it would result in an intrusive, direct and uninterrupted view from a main room, to the most private area of the garden, which is often the main sittin
dwellingresidential-extensionsprivacyexternal-spaceDominance - Effect on Neighbouring Properties
A31NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Dominance is the extent to which a new development adversely impinges on the immediate aspect or outlook from an adjoining property. Neighbouring occupiers should not be adversely affected by a sense
dwellingresidential-extensionsexternal-spaceOvershadowing and Loss of Light
A32NI-wide·PPS 7 Addendum Residential Extensions and Alterations
Sunlight and daylight are valued elements in a good quality living environment. Effective daylighting can reduce the need for electric lighting, while sunlight can contribute towards meeting some of t
dwellingresidential-extensionsenergyexternal-space