COLD

BCC 2-02

March 2007

HHSRS Feb/07

Yes

Yes

No

No

EXCESS

Vulnerable age

Related hazards

Persons aged 65 years or over

Excess Heat

Multiple locations

Secondary hazards

DESCRIPTION OF HAZARDS

Dwelling:

Two storey semi-detached house, circa 1936,

with attic bedroom

Front/Side Elevation View showing skylights

in the hip end

Background: This dwelling comprises of a ground floor and first floor with a converted attic space which

forms the main (largest) bedroom. On the ground floor are two rooms and a kitchen with three ooms and a

combined WC/bathroom on the first floor. The staircase to the attic bedroom is accessed from the first floor

landing and is separated from the same by a plasterboard and plaster skim timber stud partition wall,

complete with a door. The dwelling has insulated cavity walls, double glazed windows throughout (includingthe

skylight windows to the hip end of the attic bedroom) and full gas central heating, including a radiator in the

attic room. There is no insulation to the main roof, nor is there any insulation in the attic room floor cavity. The

roof covering itself is felted and in good repair.

LIST OF RELEVANT MATTERS

LIKELIHOOD & OUTCOMES

3

g

-

h

-

i

-

j

-

k

-

-

-

-

-

?

a

Thermal insulation

b

Dampness

c

Settling of insulation

d

Type of heating provision

e

Size of heating provision

f

Installation & maintenance

of heating provision

# Compounding matters

-

None

Key

3

Seriously defective

2

Defective

1

Not satisfactory

-

Satisfactory/NA

Controls to heating provision

Amount of ventilation

Ventilation controls

Disrepair to ventilation

Draughts

Justification

There is no reason to suppose that the spread of likely harm outcomes would be any different to the national

average.

Av. 1920-45 non-HMO:1,035

RATING

Score: 1,023

A B C D E

F G H

I

J

RATING SCORES AFTER IMPROVEMENT

IMPROVE

Likelihood to

1 in 1,800

Outcomes to

31.6 4.6 21.5 42.3

%

Justification

The provision of insulation between the roof rafters to meet current Building Regulation standards would

reduce the likelihood of an occurrence to well below the national average, particularly having regard to the

other existing heating and insulation measures present in the dwelling.

Av:1,035

Average likelihood, outcomes and HHSRS score for all persons aged 65 years and over,1997-

99.

NEW RATING

Av: Nos

Score: 181

A B C D E

F G H

I

J

BCC 2-02

March 2007

HEALTH AND SAFETY RATING SYSTEM SCORES

LIKELIHOOD

1 in 320

Low

High

Av 1920-45 Non-HMO: 340

< 4200 2400 1300 750 420 240 130

75

42

24

13

7.5

4

2.5

1.5 >

Justification

Compared to the average inter-war dwelling, the structure of the main part of the house is well insulated with

cavity wall insulation, and is also free from draughts (the double glazing). There is an effective and extensive

heating system which is capable of raising and maintaining adequate temperature. These factors would point

to the likelihood being less than average however the wholly uninsulated attic (with the possibility of some

draughts from the roof structure) will increase significantly the heat loss and it will be more difficult to maintain

a healthy room temperature in the attic bedroom. Such a situation is regarded as being worse than average

for this age and type of dwelling. It is also a semi-detached house with three exposed surfaces to the hipped

roof through which heat can be lost (compared to a mid-terraced house). The situation in the attic therefore

counters the other positive factors and the likelihood is assessed as being about average.

OUTCOMES

Class I

< 0.05

Class II

< 0.05

Class III

< 0.05

Class IV

< 0.05

%

Av 1920-45 Non HMO: 34.0

31.6

0.15 0.3

0.7

1.5

3

7

15

26

38 >

Av: 6.0

4.6

0.15 0.3

0.7

1.5

3

7

15

26

38 >

Av: 18.0

21.5

0.15 0.3

0.7

1.5

3

7

15

26

38 >

Av: 42.0

42.3

0.15 0.3

0.7

1.5

3

7

15

26

38 >