House-to-flat conversions in Lancashire

Covering Lancashire

We cover Lancashire, including Preston, Burnley, Blackburn and Blackpool, and the towns around them.

Homes in the North West

The North West has long rows of Victorian terraced houses in its towns and cities, alongside inter-war semis and post-war estates, so rear extensions, dormer lofts and kitchen extensions are common projects.

What is included in a house-to-flat conversion in Lancashire?

A house-to-flat conversion divides a single house into two or more self-contained flats, each with its own front door, kitchen and bathroom. It always needs planning permission and full building regulations approval, particularly for fire separation and sound insulation between flats.

Fire separation and sound insulation between flats
Kitchens, bathrooms and finishes
Bin, cycle and amenity space works

What will a house-to-flat conversion cost?

Use these ranges to budget for house-to-flat conversions; the survey turns them into a fixed price for the agreed specification.

Priced on survey.

What approvals does a house-to-flat conversion need in England?

Projects in England go through two separate checks. Planning (or confirmation that the work is permitted development) comes from the district, borough or unitary council, and building regulations approval comes from the council’s building control team or a registered building control approver. Where work touches a shared wall or digs near a neighbour’s foundations, the Party Wall etc. Act 1996 applies.

Dividing a house into flats always needs planning permission in England.

What should Lancashire homeowners check first?

Some councils restrict the loss of family houses or limit flat conversions in certain streets.
Mortgage lenders and freehold arrangements need early legal advice.

From first call to completion

Tell us about the project. Call, use the guide price tool or send the form with a few photos and a postcode.
Survey at your house. We look at the existing structure, services and access, and agree what the design needs to achieve.
Drawings, approvals, written quote. We prepare the design, apply for the approvals it needs, and give you a fixed price in writing.
Build and hand over. Our teams build to the programme, building control inspects, and you get the completion paperwork at the end.

House-to-flat conversions: common questions

How much does a flat conversion cost?

It varies too much to give a reliable guide figure, so we price each one on survey. The reduced 5% VAT rate can apply where the number of dwellings changes.

What are the main building regulations issues?

Fire separation between flats, protected escape routes, sound insulation and separate services.

Do you work in Lancashire?

Yes. Lancashire is within our coverage for house-to-flat conversions, along with nearby Preston and Burnley.

Other towns nearby

Learn more about house-to-flat conversions, or see every project we cover in Lancashire.