Every rule your project must meet, found for you.

NI-wide·Amendments Booklet AMD 9 2025 (Booklets E R)

For the minimum fire resistance of lift doors see Table 4.5.

Antrim and Newtownabbey·LDP 2030 Plan Strategy (adopted 2025)

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

NI-wide·PPS 15 Planning and Flood Risk (Revised)

Entrances and openings can be designed with raised thresholds. Water resistant PVC type material, which can provide better seals can replace traditional wooden frames, which can become warped. Shatter

NI-wide·PPS 6 Planning Archaeology and the Built Heritage

As a rule, windows in historic buildings should be repaired, or if beyond repair should be replaced "like for like". In considering listed building consent applications for additional windows it is im

NI-wide·PPS 6 Planning Archaeology and the Built Heritage

Old windows were generally made of sturdy materials, they may look shabby and rundown and they may fit badly and admit drafts but nevertheless it is possible, more often than not, to repair and restor

NI-wide·PPS 6 Planning Archaeology and the Built Heritage

Within the broad window types such as sash or casement there is a wide variation of detail according to date, function and region. Standardisation to one pattern should be avoided. The thickness and m

NI-wide·PPS 6 Planning Archaeology and the Built Heritage

The insertion of factory made standard windows of all kinds, whether in timber, aluminium, galvanised steel or plastic is almost always damaging to the character and appearance of historic buildings.

NI-wide·PPS 6 Planning Archaeology and the Built Heritage

It is usually impossible to install double-glazed units in existing frames without altering the character or appearance of a listed building. Listed building consent is quite likely to be refused for

NI-wide·PPS 6 Planning Archaeology and the Built Heritage

Where there are difficulties, the first step is to discover, by calculation, whether or not double glazing would provide a material benefit in controlling heat loss. Traditional internal timber shutte

NI-wide·PPS 6 Planning Archaeology and the Built Heritage

In certain circumstances trickle ventilation will be a statutory requirement. There are a variety of ways to modify the designs of traditional windows to make this provision and there are ventilators

NI-wide·PPS 6 Planning Archaeology and the Built Heritage

Door and window openings establish the character of an elevation and should not generally be altered in their proportion or details. Alterations will only be considered where all reasonable alternativ

NI-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

Belfast·SPG003 Residential Design

Glazing in the principal living space should be sited to enable outlook when seated

Belfast·SPG003 Residential Design

To allow a reasonable view from the principal living space to be experienced by all users, windows or other forms of glazing (for example, glazed doors) should comprise unobscured glass that starts no

Belfast·SPG003 Residential Design

Refers to combined skylight and sunlight Subtended angle The angle formed by something when taken from a given viewpoint.

Belfast·SPG003 Residential Design

A term for roof windows and used to describe outward opening windows installed in the same orientation and 'in plane' with the surrounding roof.

Belfast·SPG004 Residential Extensions and Alterations

The use of obscure glass, velux windows and high-level windows in appropriate circumstances can often minimise this potential. However, this is not considered acceptable for windows serving main rooms

Belfast·SPG004 Residential Extensions and Alterations

Windows in elevations that overlook adjacent properties will not normally be approved unless there is adequate separation distance between the host dwelling and its neighbours. In general, a separatio

Belfast·SPG004 Residential Extensions and Alterations

Factors which may be considered in retrofitting the existing property can include, but are not limited to, the installation of: • Loft and/or wall insulation, including both cavity wall and internal/e

Belfast·SPG004 Residential Extensions and Alterations

Additional factors which may be considered in the development of extensions to existing dwellings include: • Orientation and glazing: orientation and the amount of glazing will determine how much sunl

Belfast·SPG012 Sensitive Uses

Applications for restaurants, cafés, hot food takeaways, bookmaking offices, amusement centres, pubs and nightclubs will be required, where appropriate, to submit the following details: • 1:50 scale d

NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture

External solid and cavity walls should be constructed to deflect penetrating water towards the outer face of the wall such as in the following locations – (a) below copings at the top of walls (see Di

NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture

Damp proof courses should be provided to direct moisture towards the outside – (a) where the downward flow of moisture would be interrupted at an obstruction, e.g. at a lintel (see Diagram 6.3(b)); (b

NI-wide·Technical Booklet E Fire Safety

Rooflight – a domelight, lantern light, skylight, ridge light, glazed barrel vault or other element intended to admit daylight through a roof.

NI-wide·Technical Booklet E Fire Safety

An emergency egress window should – (a) have a clear opening that is not less than 0.33 m2 in area; and (b) have a clear opening that is at least 450 mm high and at least 450 mm wide. The lower edge o

NI-wide·Technical Booklet E Fire Safety

Any glazing (whether new or existing) in the enclosure of the existing stairway, other than to a bathroom or sanitary accommodation, should be fire-resisting. (See Tables 2.8, 4.1 and 4.2.)

NI-wide·Technical Booklet E Fire Safety

Each habitable room in the new storey should have – (a) an emergency egress window which complies with paragraph 2.9; or (b) an emergency egress dormer window or roof window, of the size given in para

NI-wide·Technical Booklet E Fire Safety

Where an external stair is part of an escape route – (a) the stair should be protected from the weather when it serves a floor or flat roof more than 6 m above ground level. The degree of protection f

NI-wide·Technical Booklet E Fire Safety

Table 2.8 Limitations on the use of uninsulated glazing in enclosures and fire doors Position of glazed element | Permitted extent of glazing in parts of a building with access to – A single stair |

NI-wide·Technical Booklet E Fire Safety

Position of glazed element: Permitted extent of glazing in parts of a building with access to – A single stair / More than one stair Walls / Door leaf / Walls / Door leaf 10 Adjacent an external esc

NI-wide·Technical Booklet E Fire Safety

Details of fire resistance test criteria and standards of performance are given in Section 4. All walls, partitions and other enclosures (including roofs that form part of an escape route) required to

NI-wide·Technical Booklet E Fire Safety

A glazed vision panel, or panels of not less than 0.1 m2, should be provided in a door that subdivides a corridor, or where a door swings both ways. The vision panel or panels should include – (a) a l

NI-wide·Technical Booklet E Fire Safety

For the purposes of the performance of wall and ceiling linings – (a) a wall should include – (i) the surface of glazing (except glazing in a door); and (ii) any part of a ceiling which slopes at an a

NI-wide·Technical Booklet E Fire Safety

a wall should not include – (i) doors and door frames; (ii) window frames and frames in which glazing is fitted; (iii) architraves, cover moulds, picture rails, skirtings and similar narrow members; a

NI-wide·Technical Booklet E Fire Safety

a ceiling should include – (i) the surface of glazing; and (ii) any part of a wall which slopes at an angle of 70º or less to the horizontal; and a ceiling should not include – (i) trap doors and thei

NI-wide·Technical Booklet E Fire Safety

Other than in a protected stairway a rooflight may be of a classification lower than the relevant Class given in Table 3.1 provided that – (a) where it is – (i) a plastic material which has a lower su

NI-wide·Technical Booklet E Fire Safety

A window in the external wall of a circulation space and all internal glazed areas should be glazed with a material having a classification not lower than that given in Table 3.1. A window in an exte

NI-wide·Technical Booklet E Fire Safety

Table 3.2 Limitations on Class 3 plastic rooflights and thermoplastic rooflights and lighting diffusers in suspended ceilings | Minimum classification of lower surface | Use of space below rooflight

NI-wide·Technical Booklet E Fire Safety

Glazing may be incorporated in the wall between a protected shaft containing a stairway, and a corridor or lobby which gives access to that stairway provided that – (a) the protected shaft is not a fi

NI-wide·Technical Booklet E Fire Safety

Cavity barriers provided around window or door openings may be formed by window or door frames (see paragraph 4.38).

NI-wide·Technical Booklet E Fire Safety

as per regulation 23(3), window and door frames and associated glass (including laminated glass) are exempted from regulation 23(2). Window spandrel panels and infill panels must comply with regulatio

NI-wide·Technical Booklet E Fire Safety

Where a thermoplastic material cannot be given a designation when tested to BS 476: Part 3 it may be used as a rooflight provided that it can be classified under paragraph 3.5 and is used in accordanc

NI-wide·Technical Booklet E Fire Safety

Table 5.9 TP(a) and TP(b) plastic rooflights – Limitations on use and boundary distance Minimum classification on lower surface (1) | Space which rooflight can serve | Minimum distance (m) from any p

NI-wide·Technical Booklet E Fire Safety

Limitation on areas and spacing of certain thermoplastic rooflights rooflight max. area 5 m² 3 m minimum between any two rooflights in any direction Notes: Or group of rooflights amounting to not mo

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The area of window, door and rooflight openings in a wall or roof is measured internally between reveals and from head to sill.

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where a new dwelling incorporates a conservatory or similar highly glazed space which does not have thermal separation from the rest of the dwelling, it should be regarded as an integral part of the d

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

Where a conservatory, constructed as part of a new dwelling, has thermal separation from the dwelling, the TER and DER for the dwelling may be calculated as if the conservatory is not present and the

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The U-values should be calculated using the methods and conventions given in BRE Report BR 443 Conventions for U-value calculations, and should be based on the whole unit (e.g. in the case of a window

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

To reduce heat losses and help limit excessive heat gain, the limiting extent of external doors and glazed openings in a dwelling should be no greater than 25% of the floor area of the dwelling.

NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings

The U-values for roof windows and rooflights given in this Technical Booklet are based on the U-value having been assessed with the roof window or rooflight in the vertical position. Where a unit has