Steel frame catalogue

163 published steel frame products.

Garden rooms, annexes, extensions, garages, sheds and specialist structures. Browse the official published specifications, then ask Forti Nova to confirm availability, delivery and your current selling price.

Catalogue checked 7 September 2026

Online frame prices include the 15% catalogue increase applied on 7 September 2026. They do not automatically include VAT, delivery, ground screws, erection or exterior materials. Your written quotation confirms availability, VAT basis and the actual scope.

Supply and installation options

Choose the level of support you need.

We confirm pricing against the selected frame, postcode, ground conditions, access and programme. Your written quotation lists exactly what Forti Nova will supply and install.

01

Frame only

Your team manages the site build

  • Specified steel frame
  • Frame fixings and supplied information
  • Planned delivery
Foundations, erection and exterior materials are separate.Price this route
02

Frame + erection

You want the structure assembled

  • Specified steel frame
  • Professional frame erection
  • Project sequence agreed in writing
A ready and suitable foundation is required unless separately included.Price this route
04

Bundle + exterior materials

You also need the weathering package

  • Complete structural bundle
  • Discounted selected cladding
  • Discounted EPDM and roofline
Glazing, insulation, services and internal fit-out are separate unless quoted.Price this route
The programme
  1. 1. QualifyUse, size, postcode, access and required openings.
  2. 2. ScopeStandard or bespoke frame, foundations, erection and exterior items.
  3. 3. ConfirmCurrent price, responsibilities, delivery and target dates in writing.
  4. 4. DeliverProject information, planned materials and agreed site work.
Find a frame

Search the full published range.

Every item has its own page and the manufacturer specifications published for that configuration.

163frames shown
A – Frame – 3600mm x 3000mm — supplier catalogue frame
A-framesAFRAME001
A-frames

A – Frame – 3600mm x 3000mm

Online frame price£1,934.30
Frame
3000 × 3600 mm
Footprint
10.8 m²
Height
3550 mm
Listed weight
496 kg
View frame
A – Frame – 3600mm x 4500mm — supplier catalogue frame
A-framesAFRAME004
A-frames

A – Frame – 3600mm x 4500mm

Online frame price£2,874.00
Frame
4500 × 3600 mm
Footprint
16.2 m²
Height
3550 mm
Listed weight
762 kg
View frame
A – Frame – 4800mm x 3000mm — supplier catalogue frame
A-framesAFRAME002
A-frames

A – Frame – 4800mm x 3000mm

Online frame price£2,371.36
Frame
3000 × 4800 mm
Footprint
14.4 m²
Height
3550 mm
Listed weight
614 kg
View frame
A – Frame – 4800mm x 4500mm — supplier catalogue frame
A-framesAFRAME005
A-frames

A – Frame – 4800mm x 4500mm

Online frame price£2,839.03
Frame
4500 × 4800 mm
Footprint
21.6 m²
Height
3550 mm
Listed weight
746 kg
View frame
A – Frame – 6000mm x 3000mm — supplier catalogue frame
A-framesAFRAME003
A-frames

A – Frame – 6000mm x 3000mm

Online frame price£2,386.66
Frame
3000 × 6000 mm
Footprint
18.0 m²
Height
3550 mm
Listed weight
621 kg
View frame
A – Frame – 6000mm x 4500mm — supplier catalogue frame
A-framesAFRAME006
A-frames

A – Frame – 6000mm x 4500mm

Online frame price£3,429.77
Frame
4500 × 6000 mm
Footprint
27.0 m²
Height
3550 mm
Listed weight
910 kg
View frame
Annexe 001 – Flat Roof 100 Steel Frame — supplier catalogue frame
AnnexesANNEXE001_FLAT_100
Annexes

Annexe 001 – Flat Roof 100 Steel Frame

Online frame price£4,990.46
Frame
7200 × 3600 mm
Footprint
25.9 m²
Height
2503 mm
Listed weight
1176 kg
View frame
Annexe 001 – Flat Roof 165 Steel Frame — supplier catalogue frame
AnnexesANNEXE001_FLAT_165
Annexes

Annexe 001 – Flat Roof 165 Steel Frame

Online frame price£5,042.37
Frame
7200 × 3600 mm
Footprint
25.9 m²
Height
2568 mm
Listed weight
1236 kg
View frame
Annexe 001 – Pitched Roof Steel Frame — supplier catalogue frame
AnnexesANNEXE001_PITCHED
Annexes

Annexe 001 – Pitched Roof Steel Frame

Online frame price£6,059.19
Frame
7200 × 3600 mm
Footprint
25.9 m²
Height
3417 mm
Listed weight
1328 kg
View frame
Annexe 002 – Flat Roof 100 Steel Frame — supplier catalogue frame
AnnexesANNEXE002_FLAT_100
Annexes

Annexe 002 – Flat Roof 100 Steel Frame

Online frame price£5,133.58
Frame
6000 × 4800 mm
Footprint
28.8 m²
Height
2358 mm
Listed weight
1215 kg
View frame
Annexe 002 – Flat Roof 165 Steel Frame — supplier catalogue frame
AnnexesANNEXE002_FLAT_165
Annexes

Annexe 002 – Flat Roof 165 Steel Frame

Online frame price£5,270.86
Frame
6000 × 4800 mm
Footprint
28.8 m²
Height
2568 mm
Listed weight
1312 kg
View frame
Annexe 002 – Pitched Roof Steel Frame — supplier catalogue frame
AnnexesANNEXE002_PITCHED
Annexes

Annexe 002 – Pitched Roof Steel Frame

Online frame price£6,063.80
Frame
6000 × 4800 mm
Footprint
28.8 m²
Height
3385 mm
Listed weight
1330 kg
View frame
Annexe 003 – Flat Roof 165 – 323 Steel Frame — supplier catalogue frame
AnnexesANNEXE003_FLAT_165
Annexes

Annexe 003 – Flat Roof 165 – 323 Steel Frame

Online frame price£5,680.72
Frame
9000 × 3600 mm
Footprint
32.4 m²
Height
2568 mm
Listed weight
1412 kg
View frame
Annexe 003 – Pitched Roof Steel Frame — supplier catalogue frame
AnnexesANNEXE003_PITCHED
Annexes

Annexe 003 – Pitched Roof Steel Frame

Online frame price£6,742.66
Frame
9000 × 3600 mm
Footprint
32.4 m²
Height
3417 mm
Listed weight
1515 kg
View frame
Annexe 004 – Flat Roof 165 Steel Frame — supplier catalogue frame
AnnexesANNEXE004_FLAT_165
Annexes

Annexe 004 – Flat Roof 165 Steel Frame

Online frame price£6,731.27
Frame
8400 × 5400 mm
Footprint
45.4 m²
Height
2568 mm
Listed weight
1663 kg
View frame
Annexe 004 – Pitched Roof – EDW Steel Frame — supplier catalogue frame
AnnexesANNEXE004_PITCHED_EDW
Annexes

Annexe 004 – Pitched Roof – EDW Steel Frame

Online frame price£7,643.13
Frame
8400 × 5400 mm
Footprint
45.4 m²
Height
3385 mm
Listed weight
1750 kg
View frame
Annexe 004 – Pitched Roof – Gable Steel Frame — supplier catalogue frame
AnnexesANNEXE004_PITCHED_GABLE
Annexes

Annexe 004 – Pitched Roof – Gable Steel Frame

Online frame price£7,606.22
Frame
8400 × 5400 mm
Footprint
45.4 m²
Height
3385 mm
Listed weight
1734 kg
View frame
Bar/Kitchen – 2800mm x 1800mm Steel Frame — supplier catalogue frame
Bars and kitchensBAR001
Bars and kitchens

Bar/Kitchen – 2800mm x 1800mm Steel Frame

Online frame price£1,472.76
Frame
2800 × 1800 mm
Footprint
5.0 m²
Height
2450 mm
Listed weight
327 kg
View frame
Bar/Kitchen – 3400mm x 1800mm Steel Frame — supplier catalogue frame
Bars and kitchensBAR002
Bars and kitchens

Bar/Kitchen – 3400mm x 1800mm Steel Frame

Online frame price£1,894.31
Frame
3400 × 1800 mm
Footprint
6.1 m²
Height
2450 mm
Listed weight
398 kg
View frame
Bar/Kitchen – 3400mm x 2400mm Steel Frame — supplier catalogue frame
Bars and kitchensBAR003
Bars and kitchens

Bar/Kitchen – 3400mm x 2400mm Steel Frame

Online frame price£1,816.90
Frame
3400 × 2400 mm
Footprint
8.2 m²
Height
2450 mm
Listed weight
359 kg
View frame
Bar/Kitchen – 4000mm x 2400mm Steel Frame — supplier catalogue frame
Bars and kitchensBAR004
Bars and kitchens

Bar/Kitchen – 4000mm x 2400mm Steel Frame

Online frame price£2,035.03
Frame
4000 × 2400 mm
Footprint
9.6 m²
Height
2450 mm
Listed weight
401 kg
View frame
Bespoke 001 Steel Garden Room Frame — supplier catalogue frame
Bespoke garden roomsBESPOKE001
Bespoke garden rooms

Bespoke 001 Steel Garden Room Frame

Online frame price£3,885.60
Frame
7200 × 3500 mm
Footprint
25.2 m²
Height
2057–2308 mm
Listed weight
873 kg
View frame
Bespoke 002 Steel Garden Room Frame — supplier catalogue frame
Bespoke garden roomsBESPOKE002
Bespoke garden rooms

Bespoke 002 Steel Garden Room Frame

Online frame price£2,640.77
Frame
5800 × 2800 mm
Footprint
16.2 m²
Height
2082–2357 mm
Listed weight
659 kg
View frame
Bespoke 003 Steel Garden Room Frame — supplier catalogue frame
Bespoke garden roomsBESPOKE003
Bespoke garden rooms

Bespoke 003 Steel Garden Room Frame

Online frame price£3,138.07
Frame
4900 × 2600 mm
Footprint
12.7 m²
Height
2417–2690 mm
Listed weight
720 kg
View frame
Bundle advantage
Ground screws · frame · erection

Need the current frame and package price?

Bundle suitable ground screws, the steel frame and professional erection, then access discounted cladding, EPDM roofing and roofline within the same quotation. Eligibility and scope are confirmed for the project.

Get bundle quote