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Loft Conversions

Loft conversions in St Neots and Huntingdon, from roof-light to dormer and hip-to-gable. Typically £25,000 to £55,000.

C&W General Building St Neots
C&W General Building St Neots
C&W General Building St Neots
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You're running out of room, but moving house feels like a lot of upheaval for the extra space you actually need. The loft is sitting there empty, and it's very likely the cheapest square footage you'll ever add to your home.


C&W General Building has carried out loft conversions across St Neots, Eynesbury, Buckden and the wider Cambridgeshire area. We handle the whole job in-house, from the first look at your roof structure through to building control sign-off, so you deal with one team and get a room that feels like it was always part of the house.

How much does a loft conversion cost in St Neots?


Loft conversion costs in the St Neots area usually fall between £25,000 and £55,000. Where your project lands depends on the type of conversion, the headroom you're starting with, and whether you're adding an en-suite. A simple roof-light conversion in a loft with good existing headroom is the most affordable route.


A dormer or a hip-to-gable conversion, which creates far more usable floor space, costs more because there's structural work involved. You get a clear, itemised quote before anything begins, and we talk you through where the money goes so there are no surprises halfway through.

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C&W General Building St Neots
Get a free loft conversion quote

What to expect from a loft conversion in St Neots

What's included in a loft conversion

Every loft conversion we take on covers the full scope:


  • Structural survey and design, including steel beams where the roof needs support.

  • New staircase to connect the loft to the floor below.

  • Insulation to current building regulations.

  • Dormer or roof-light windows, or a full hip-to-gable rebuild where it suits the house.

  • First and second fix electrics.

  • Plumbing for an en-suite or bathroom where you want one.

  • Plastering and finish to match the rest of your home.

  • Building regulations application, inspections and completion certificate.


All structural and electrical work is certified, and we're fully insured. The finished conversion is recorded with the local authority, which matters when you come to sell.

Other recent work around St Neots

Planning a loft conversion in St Neots? Book a free site visit

Tell us what you'd use the space for, and we'll come out to your home in St Neots, Huntingdon or nearby to measure the headroom and pitch for free. You'll get a clear, itemised quote and an honest view of what's possible. Prefer to talk? Call 01480 731 121.

Common questions about loft conversions in St Neots

How much does a loft conversion cost in St Neots?


Most loft conversions in the St Neots and Huntingdon area cost between £25,000 and £55,000. A roof-light conversion is the cheapest if you already have the headroom; a dormer or hip-to-gable costs more because of the structural work, but adds considerably more usable space. We give you an itemised quote before any work starts.


Do I need planning permission for a loft conversion?


Many loft conversions fall under permitted development, so no planning application is needed. A dormer that significantly changes the roofline, a property in a conservation area, or a listed building may need full planning permission. We check this for your specific property before work begins.


Do I need building regulations approval?


Yes, every loft conversion needs building regulations approval, whether or not planning permission is required. Building regs cover the structure, insulation, fire safety, the staircase and the electrics. C&W manages the building control application and all inspections, and you receive a completion certificate at the end.


Will my loft have enough headroom to convert?


As a rule of thumb you want at least 2.2 to 2.4 metres from the floor to the ridge at the highest point. If your headroom is tight, a dormer or a roof lift can create the space you need. The quickest way to know is to let us come out and measure it, which we're happy to do across St Neots and Cambridgeshire at no charge.


How long does a loft conversion take?


A straightforward roof-light conversion usually takes around 5 to 7 weeks. A dormer or hip-to-gable conversion with an en-suite typically runs 8 to 10 weeks. We agree a schedule before we start and keep you updated as the job progresses.


Will a loft conversion add value to my home?


In most cases, yes, and often more than it costs. An extra bedroom with an en-suite is one of the strongest value-adds in the Huntingdon district, and because the conversion is building-regulations compliant it's recorded on the title and recognised by estate agents and surveyors.

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