Archived decisions

Comparison of HCC Costs against DfES Guideline Costs

APPENDIX 7

 

 

 

 

HCC Costs

 

 

 

DfES Guideline Cost

Pinewood

1,399

Elvetham Heath

1,367

 

ELEMENT

 

Adjusted Cost

Cost £/m2

Adjusted Cost

Cost £/m2

1

Substructures.

 

£ 83,121

£ 59

£ 111,697

£ 82

 

£ -

£ -

£ -

2

Superstructure

£ -

 

A

Frame

£ 255,952

£ 183

£ 102,671

£ 75

B

Upper floors

£ -

£ -

£ -

£ -

C

Roof

£ 216,180

£ 155

£ 228,907

£ 167

D

Stairs

£ -

£ -

£ -

£ -

E

External Walls

£ 80,820

£ 58

£ 158,427

£ 116

F

Windows & External Doors.

£ 177,241

£ 127

£ 142,109

£ 104

G

Internal Walls & Partitions.

£ 53,910

£ 39

£ 20,973

£ 15

H

 

Internal Doors

 

£ 84,632

£ 60

£ 61,508

£ 45

 

£ -

£ -

 

3

Finishings.

£ -

£ -

 

A

Wall Finishes

£ 32,478

£ 23

£ 61,036

£ 45

B

Floor Finishes

£ 83,091

£ 59

£ 60,993

£ 45

C

Ceiling Finishes.

 

£ 64,146

£ 46

£ 50,323

£ 37

 

 

 

4

Fittings & Furnishings.

 

A

Fixed Fittings & Furnishings.

 

£ 122,428

£ 88

£ 109,120

£ 80

 

 

 

 

5

Services.

 

A

Sanitary Installation

£ -

£ -

£ 27,163

£ 20

B

Disposal Installation

£ -

£ -

£ 22,096

£ 16

C

Mechanical Installation

£ 244,966

£ 175

£ 171,294

£ 125

D

Electrical Installation

£ 194,132

£ 139

£ 179,455

£ 131

E

Lift Installation

£ -

£ -

£ -

£ -

F

Sprinkler Installation

£ -

£ -

£ -

£ -

F

Builders Work in Connection

£ 22,697

£ 16

£ 5,166

£ 4

 

 

 

 

 

 

 

 

 

Building Sub-total

£ 1,715,796

£ 1,226

£ 1,512,939

£ 1,107

 

 

6

External Works

 

A

External Works

£ 182,647

£ 131

£ 220,983

£ 162

B

Drainage

£ 67,868

£ 49

£ 63,538

£ 46

C

External Services

£ 24,316

£ 17

£ 1,718

£ 1

D

Minor Building works/ alts

 

£ 16,431

£ 12

£ -

£ -

 

 

 

 

7

Preliminaries.

£ 545,709

£ 390

£ 279,083

£ 204

 

 

 

 

27.19%

 

15.51%

 

 

 

8

Contingency

£ 101,166

£ 72

£ 111,338

£ 81

 

3.96%

5.36%

 

GROSS COSTS

 

£ 2,676,630

£ 1,897

£ 2,194,765

£ 1,602

Standard Net Cost Adjustment

Substructures (normal =£69/m2 @ 1Q03)

£ 12,485

£ 9

£ 40,684

£ 30

Fittings and Furnishings

£ 160,567

£ 115

£ 131,892

£ 96

External Works

£ 381,998

£ 273

£ 345,974

£ 253

NET COST @1Q03

£ 1,080

£ 2,121,580

£ 1,516

£ 1,676,215

£ 1,226

Adjustments for comparison

Increased allowance for BB93 (DfES guideline increased by £45/m2 @ 4Q05 levels: £39/m2@ 1Q03)

£ 39

Included

Included

Included

Included

Increased allowance to accommodate Part L revisions (2006) - 5%

£ 54

Included

Included

£ 83,811

£ 61

Size factor (DfES guidelines based on projects avg 10,000m2)

£ 235

1.03

£ 40

1.02

£ 30

ADJUSTED NET COST

£ 1,408

£ 1,557

£ 1,317.78

Notes

1

GFA for Royal Docks and Challenge School are estimated, based on BB98 Guidelines

2

All costs rebased to 1Q03 Price levels (DfES Index 144) and adjusted to standard location factor of 1.00