---
title: "Loft Conversion Cost in Sheffield (2026 Prices)"
description: "Find out how much a loft conversion costs in Sheffield, including average prices, labour costs, timescales and the key factors that affect your final quote."
url: "https://www.myjobquote.co.uk/costs/loft-conversion-in-sheffield-cost"
last_updated: "2026-10-09"
---

# Loft Conversion Cost in Sheffield

 At a Glance

- The average cost of a loft conversion in Sheffield is around £39,000.
- Depending on the complexity of the job, it usually takes between 4 and 12 weeks.

 **In this guide, you'll find:**

- The types of loft conversion available in Sheffield and their costs.
- How long the job takes and what's typically involved.
- How MyJobQuote can help you get quotes from local loft conversion builders.

  [Get free estimates](https://www.myjobquote.co.uk/loft-conversion) **Are you a trade? [Get more work today!](https://www.myjobquote.co.uk/tradespeople-signup)**

Sheffield homeowners choose loft conversions as a way of creating extra living space without the cost and disruption of moving house. The popularity of these home extensions is also due to the benefit of adding an extra bedroom and/or bathroom, a home office or guest room without losing any of your outside space.

When you have a growing family, the storage area in your loft can be put to better use by creating much-needed extra living space. And of course, you're adding value to the property. The [cost of a loft conversion](https://www.myjobquote.co.uk/costs/loft-conversion) in Sheffield varies depending on the size of the roof, conversion type, site access, roof structure, and the level of finish chosen.

Comparing quotes from local loft conversion contractors is the best way to get an average cost for this type of project in your area, helping you understand what's involved.

### Average cost of a loft conversion in sheffield:

#### Depending on the job's complexity, it usually takes between 4 and 12 weeks.

##### £39,000

## What Is the Average Cost of a Loft Conversion in Sheffield?

The average cost of a loft conversion in Sheffield is around **£39,000**, though the exact price depends on the type and size of conversion you choose. A small Velux conversion can cost as little as £18,000, while a large Mansard conversion on a bigger property can run to £63,000 or more.

What are you planning to use your loft conversion for?

Bedroom/Guest room

37 votes - 82%82% of votes

Home office or study

2 votes - 4%4% of votes

Bathroom

2 votes - 4%4% of votes

Additional living space

4 votes - 9%9% of votes

 **45 votes** See results Hide results

### Loft Conversion in Sheffield Prices

Below you can see the average costs of the most common loft types. Prices for a loft conversion in Sheffield are, on average, between **£950** and **£1,900** per m², depending on the type and size of conversion.

| Loft Style & Size | Average Cost |
|---|---|
| Velux (20m²) | £18,000–£27,000 |
| Velux (30m²) | £18,000–£27,000 |
| Dormer (20m²) | £22,500–£31,500 |
| Dormer (30m²) | £43,500–£51,000 |
| Hip-to-Gable (30m²) | £49,500–£55,500 |
| Hip-to-Gable (50m²) | £49,500–£63,000 |
| Mansard (30m²) | £54,000–£57,000 |
| Mansard (50m²) | £49,500–£63,000 |
| L-Shaped Dormer Loft (30m²) | £45,000–£54,000 |
| L-Shaped Dormer Loft (50m²) | £47,500–£62,500 |
| Adding en-suite (all sizes) | £5,000–£12,000 |

## Loft Conversions in Sheffield: What to Know Locally

Sheffield is known for its hilly landscape, and its housing stock reflects the city's development over time. Stone-built Victorian and Edwardian terraces are common in inner suburbs such as Nether Edge, Crookes and Walkley, while 1930s semi-detached homes are more common in outer areas including Dore, Ecclesall and parts of Hillsborough.

Many older stone-built homes benefit from carefully matched materials for dormer or mansard loft conversions, while Sheffield's steep streets can sometimes make scaffolding and skip access more challenging. As a result, site access can have a greater impact on project costs than it does in flatter locations.

Sheffield operates a Clean Air Zone in the city centre, and areas near the two universities, such as Broomhill and Crookesmoor, often have residents' parking schemes. If your contractor needs to place a skip on the public highway, they'll need a permit from [Sheffield City Council](https://www.sheffield.gov.uk/roads-pavements/skips-highway-permits), which costs **£17** for up to 15 days (on top of the skip hire cost itself). This has to be applied for by the skip operator, not the homeowner, so it's worth checking your contractor has it covered before work starts.

Loft conversion costs in Sheffield are close to the UK average, and broadly similar to a [loft conversion in Leeds](https://www.myjobquote.co.uk/costs/loft-conversion-in-leeds-cost). They're noticeably lower than a [loft conversion in London](https://www.myjobquote.co.uk/costs/loft-conversion-in-london-cost), where labour and material costs are the highest in the UK.

For a more tailored figure based on your own property, try our [loft conversion cost calculator](https://www.myjobquote.co.uk/cost-calculators/loft-conversion-cost-calculator).

## Factors That Impact Loft Conversion Costs in Sheffield

Beyond the type and size of conversion covered above, several other factors affect the final price of a loft conversion in Sheffield:

- **Existing Roof Structure —** a traditional cut roof is usually cheaper to convert than a truss roof, which needs more work.
- **Roof Pitch and Available Head Height —** low or restricted roofs need extra structural work.
- **Whether Steel Beams Are Needed —** steel or timber beams are needed where the existing walls can't carry the new floor and roof.
- **Insulation and Ventilation —** the type and amount needed will influence the overall cost.
- **Quality of Fixtures and Finishes —** basic, mid-range and high-end specifications carry different price points.
- **Access and Parking Restrictions —** narrow streets or limited parking can increase labour costs, and may mean paying for parking permits for tradespeople.
- **Labour Rates in Sheffield and South Yorkshire —** generally lower than London, and similar to other northern cities.

A simple, straightforward conversion with good head height will generally cost less than a complex one that needs significant structural work.

## Cost of Loft Conversions in Sheffield by Type

There are various types of loft conversion that suit different styles of home and which come with a range of prices.

### Velux Loft Conversion

A [Velux conversion](https://www.myjobquote.co.uk/costs/velux-loft-conversion) comprises one or more rooflights being installed in the slope of the roof. No other major alterations are done to the roofline so costs are among the lowest for loft conversions, ranging from **£18,000 to £27,000** depending on the size of the loft.

### Dormer Loft Conversion

[Dormers](https://www.myjobquote.co.uk/costs/dormer-loft-conversion) can be built on the rear or side of a property and feature a box-like extension added to the roof. They're designed to increase head height and usable floor space, and typically cost between **£29,000** and **£51,000**.

Do you need planning permission for a loft conversion with a dormer?

"We do a lot of loft conversions around Sheffield, and as a rule, if you just have a velux it's no, but when a dormer is fitted, it's altering the roof structure and going out, so more often than not they want planning.

Different areas have different rules, but that's what we find around Sheffield."

 [Ntl Property Services](https://www.myjobquote.co.uk/t/ntl-property-services)

### Hip-to-Gable Loft Conversion

A [hip-to-gable loft conversion](https://www.myjobquote.co.uk/costs/hip-to-gable-loft-conversion-cost) is suitable for properties with hipped roofs. The slope of the roof is lifted vertically and the gable wall is extended upward, adding internal head height and increasing habitable space. Prices range from **£40,500 to £63,000**.

### Mansard Loft Conversion

A [mansard loft conversion](https://www.myjobquote.co.uk/costs/mansard-loft-conversion) involves altering the entire roof structure and increasing the slope to an almost vertical wall. Due to the amount of work and materials involved, costs range from **£40,500 to £63,000**, or more for larger period properties.

### L-Shaped Dormer Conversion

An L-shaped dormer is the combination of two separate box-like extensions joined together on the roof. The resulting internal space is substantial, typically offering two bedrooms and a bathroom, with prices between **£45,000** and **£62,500**.

## Additional Costs of a Loft Conversion in Sheffield

Some additional costs to budget for include:

| Job Description | Average Price |
|---|---|
| [Architectural drawings](https://www.myjobquote.co.uk/costs/architect-prices) | £800–£1,400 |
| [Structural engineer calculations](https://www.myjobquote.co.uk/costs/structural-engineer) | £395–£1,500 |
| Planning permission fees, if needed | £548 |
| Building regulations approval | £850–£1,350 |
| Party wall agreements | £900–£1,500 |
| [Scaffolding](https://www.myjobquote.co.uk/costs/cost-of-hiring-scaffolding) | £700–£1,500 |
| [Skip hire](https://www.myjobquote.co.uk/costs/skip-hire) | £305–£340 |
| [Staircase installation](https://www.myjobquote.co.uk/costs/installing-a-new-staircase) | £2,000–£5,000 |
| Electrical work | £2,500–£3,250 |
| Plumbing work | £2,500–£4,000 |
| Bathroom fitting | £4,000–£6,000 |
| Flooring | £1,500–£3,000 |
| [Plastering](https://www.myjobquote.co.uk/costs/plastering-an-indoor-wall-cost) | £3,000–£4,000 |
| Decorating | £1,000–£2,500 |
| Built-in storage | £900–£2,500 |
| [Fire doors](https://www.myjobquote.co.uk/costs/fire-door) | £120–£500 per door |
| [Smoke alarms](https://www.myjobquote.co.uk/costs/install-a-fire-alarm) | £75–£150 per alarm |

These extras can make a big difference to the final cost of your loft conversion, especially if you want a fully finished bedroom and en-suite rather than just a basic usable loft room.

## How Long Does a Loft Conversion Take in Sheffield?

Standard timelines for loft conversions are:

- **Velux Loft Conversion —** around 4 to 6 weeks.
- **Dormer Loft Conversion —** around 6 to 8 weeks.
- **Hip-to-Gable Conversion —** around 8 to 10 weeks.
- **L-Shaped Loft Conversion —** around 8 to 12 weeks.
- **Mansard Conversion —** around 8 to 12 weeks or longer.
- **Loft Conversion with En-Suite —** may take longer depending on plumbing and bathroom installation.

These timelines can change depending on planning requirements, structural work, site access, whether a bathroom is being added, and the level of finish chosen. The weather can also cause delays.

## Checklist: Hiring a Loft Conversion Builder in Sheffield

You should use tradespeople when turning your roof space into habitable rooms rather than attempting the build DIY. It's advisable to also check the following with them:

- Check reviews and ask to visit previous projects.
- Enquire about experience with similar properties.
- Ask for clear written quotes.
- Verify insurance cover.
- Check their knowledge of building regulations.
- Ask if structural calculations are included.
- Enquire whether they manage other trades, such as a decorator or tiler.
- Confirm timescales and payment terms.
- Ask about guarantees on workmanship and structures.

Make sure you get at least three quotes from different contractors before making a decision. MyJobQuote allows users to compare several quotes from local loft conversion builders in Sheffield.