Covering Grantham
Alongside Grantham, we also cover Newark-on-Trent, Melton Mowbray (14 miles to the south-west) and Oakham.
Homes in the East Midlands
Across the East Midlands you find everything from city terraces to modern estates and stone villages, so the right extension depends a lot on the street and the materials around it.
What goes into a house-to-flat conversion?
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.
- Planning application and layouts to space standards
- Separate electrics, heating and metering
- Bin, cycle and amenity space works
What is the guide price for a house-to-flat conversion in Grantham?
What house-to-flat conversions typically cost. These are guide ranges; the written quote for your house replaces them.
Priced on survey.
What approvals does a house-to-flat conversion need in England?
In England we deal with the council’s planning team for permission or a lawful development certificate, with building control (the council or a registered building control approver) for inspections, and with neighbours under the Party Wall etc. Act 1996 where it applies.
Dividing a house into flats always needs planning permission in England.
What can affect a house-to-flat conversion?
- Each flat needs its own utilities and metering.
- Mortgage lenders and freehold arrangements need early legal advice.
What are the steps?
- Start with a conversation. A short call or the online form is enough for us to understand what you want to build.
- Free site visit. We measure up, look at access, drains and the structure, and talk through options and budget.
- Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
- We build it. Work follows an agreed programme, with inspections at each stage and a final sign-off.
What people ask before starting
Does converting a house into flats need planning permission?
Yes, always. Subdividing a house into flats is development under planning law.
What are the main building regulations issues?
Fire separation between flats, protected escape routes, sound insulation and separate services.
How do I get a price for house-to-flat conversions in Grantham?
Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.
Other towns nearby
- House-to-flat conversions in Newark-on-Trent
- House-to-flat conversions in Melton Mowbray
- House-to-flat conversions in Oakham
- House-to-flat conversions in West Bridgford
Learn more about house-to-flat conversions, or see every project we cover in Grantham.

