Two-storey extensions in Immingham
Everything for a two-storey extension in Immingham, in one place: types, guide prices for the East Midlands, the approval rules in England and how to get started.
Immingham at a glance
- Postcode districts
- DN38, DN39, DN40, DN41 and LN7
- Area
- Lincolnshire, England
- Price region
- East Midlands
- Nearest towns
- Grimsby (6.7 miles), Cleethorpes (8.4 miles), Hedon (8.7 miles), Hull (10.2 miles)
- Distance to Lincoln
- about 29.9 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
Around Immingham we also work in Grimsby, Cleethorpes and Hedon, and across the rest of Lincolnshire. Postcode districts in and near Immingham: DN38, DN39, DN40, DN41 and LN7.
Extensions available in Immingham
Two-storey rear extensions
Design, approvals and build for Immingham homes. Guide from £55,000.
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Two-storey side extensions
Guide from £84,500 in Immingham, including VAT.
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Two-storey wraparound extensions
Design, approvals and build for Immingham homes. Guide from £118,000.
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Part single, part two-storey extensions
Design, approvals and build for Immingham homes. Guide from £70,500.
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Extensions over a garage
Our East Midlands guide starts at £31,000 for this type.
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First-floor extensions
For homes in Immingham: typical guide from £24,500.
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Two-storey extensions for semi-detached houses
Guide from £55,000 in Immingham, including VAT.
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Two-storey extensions for detached houses
Guide from £84,500 in Immingham, including VAT.
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Kitchen extensions with bedrooms above
From £55,000 (before kitchen units) in Immingham. Free visit to firm it up.
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Extra bedroom and en-suite extensions
For homes in Immingham: typical guide from £55,000 (plus en-suite).
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Immingham we also design annexes, home offices and bedrooms over garages.
Also available in Lincolnshire
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Party wall notices for extensions
- Design and build two-storey extensions
Rules for Immingham
Immingham is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Questions about extensions in Immingham
Do you cover Immingham?
Yes. We cover Immingham (DN38, DN39, DN40, DN41 and LN7) and the surrounding area, including Grimsby and Cleethorpes. The first site visit is free.
What does a two-storey extension cost in Immingham?
Using our East Midlands guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £55,000–£74,000 including VAT. An extension over a garage is about £31,000–£45,000.
Which other places near Immingham do you cover?
Everywhere around it, including Grimsby (6.7 miles), Cleethorpes (8.4 miles) and Hedon (8.7 miles), and the rest of Lincolnshire.