The 5 Best Building Inspectors in London You Should Hire
Buying a property or starting a big renovation is a huge commitment. That’s why I put together this list of the best building inspectors in London.
A good inspection catches hidden defects early and makes sure new work matches approved plans.
I included building control teams and snagging specialists, so you can find the right check for your project.
Once the work is signed off, carpenters in London can handle your interior finishing.
How much do building inspectors cost in London?
Building control fees for common home projects in London usually run from £420 to £1,400, depending on your borough and the size of your plans.
| Project Type | Average Total Cost | Plan Fees | Inspection Fees |
| Single-Storey Extension | £580 – £1,200 | £250 – £550 | £330 – £400 |
| Two-Storey Extension | £620 – £1,400 | £250 – £300 | £370 – £470 |
| Loft Conversion | £420 – £870 | £260 – £360 | £160 |
1. London Building Control
Website: https://londonbuildingcontrol.co.uk/
Address: 4th Floor, Centennium House, 100 Lower Thames Street, EC3R 6DL
Contact: 020 7099 3636 | [email protected]
Hours: Monday to Friday, 9:00 AM to 5:00 PM
London Building Control is a Registered Building Control Approver authorised by the Secretary of State. It’s also fully approved by the Building Safety Regulator, which makes it a strong pick for residential building certification.
That authority backs up its thorough process. I like its staged site visits, which cover everything from the foundation pour to damp-proof courses.
The team also offers fire safety consultations to make sure escape routes meet legal codes.
Professional property consultancy is available on top of the inspections.
The one catch is that the firm doesn’t offer dedicated snagging surveys for new-build handovers.
Homeowners may also face booking delays because it handles large commercial jobs too.
Customer Reviews
Sam Blake carried out the inspection and was very professional, knowledgeable, and helpful.
I had a very good experience with London Building Control during my house project. Sam Blake carried out the inspection and was very professional, knowledgeable, and helpful. He gave clear advice and explained everything properly, which made the whole process much easier for us. The inspection was smooth and efficient. I would definitely recommend their service.
Y B | Google Review
it’s good suggestions for getting the job done right.
I have been using London Building Control’s services for several years to inspect projects in the building industry and they have always been excellent. On this new project, a person named Elvice has been assigned to inspect our site and project, who is a fugalade, and I am very happy with Elvice it’s good suggestions for getting the job done right.
Nw capital builders | Google Review
2. All Building Control
Website: https://www.allbuildingcontrol.com/
Address: Old School Hall, Claylands Road, The Oval, SW8 1NZ
Contact: 020 7205 4938
Hours: Monday to Friday, 9:00 AM to 5:30 PM
All Building Control is an RICS Chartered practice that runs an ISO 9001:2015 Quality Management System. That’s reassuring, since the system keeps their building approvals and plan checking reliable and accurate.
A bespoke project database also tracks every detail of your job.
That careful setup carries into the day-to-day work. The team mixes site inspections with consultancy on Party Wall matters and property disputes.
Fire safety advice is part of the service too.
On top of that, Professional Indemnity and Public Liability insurance add extra protection.
That said, the firm doesn’t offer snagging inspections, so look elsewhere for a new-build snagging survey.
Customer Reviews
I have the highest confidence in this team.
We have worked with All Building control now on two projects. They are great partners and advisors. Working with Sajad on this project has been great. He provides outstanding advice and guidance. He works well with the team on site to provide clear direction on what needs to be done. I have the highest confidence in this team.
William Carlson | Google Review
I am not scared of the building works anymore and will start more projects.
It has been a huge pleasure to work with All building controls. I just completed my first large scale building project and Nick hand held me through the entire process. Nick is extremely professional and patient. English is not mine nor my buiilders’ first language. Nick was very patient to communicate with them and made the whole process as stress free as possible for me. I am not scared of the building works anymore and will start more projects.
Vandervell Court | Google Review
3. Thames Building Control, London
Website: https://www.thamesbuildingcontrol.co.uk/
Address: Britannia House, 1-11 Glenthorne Road, Hammersmith, W6 0LH
Contact: 020 8748 8900 | [email protected]
Hours: Monday to Friday, 9:00 AM to 5:00 PM
Thames Building Control specialises in the historic environment and delicate conservation projects.
I like that it understands classic architecture, which matters when you’re working on an older property.
It isn’t only for old buildings, though. The team offers cost-effective statutory support for sensitive refurbishments, structural alterations, and standard home extensions.
It also handles building control for both homes and large commercial spaces.
Its inspectors aim to keep the approval process efficient and consistent, so you can move on to interior finishing once they sign off.
Unfortunately, they don’t have the facility to facilitate payments over the phone, so you either have to do it personally or through online payments
Smaller domestic clients may also compete for slots against large commercial developers.
Customer Reviews
They made everything clear and straightforward, with prompt inspections
I had a great experience with the Thames building control service. The team was professional, responsive, and very knowledgeable throughout the process. They made everything clear and straightforward, with prompt inspections and helpful, practical advice.
Bala velu | Google Review
A fantastic team that understands how to keep a project moving
A fantastic team that understands how to keep a project moving. Ibex Builders has used Thames Building Control for over 15 years because they are consistently fast and practical. They just helped us complete a significant residential build in Enfield. Balraj and the inspection team were great on-site, and Alex handled the admin perfectly to ensure a smooth sign-off. Highly recommended for any contractors and private clients.
Ibex Builders | Google Review
4. Site Snagging Inspections London
Website: https://www.sitesnagging.co.uk/
Address: 1st Floor, 35 Little Russell Street, WC1A 2HH
Contact: 07814 838314 | [email protected]
Hours: Monday to Friday, 8:30 AM to 7:00 PM; Saturday, 9:00 AM to 5:00 PM; Sunday, 10:00 AM to 4:00 PM
Site Snagging Inspections London checks properties against National House Building Council (NHBC) best practices. The team has worked locally since 2006, and it looks at everything from loose bathroom tiles to uneven plaster.
I like that the report is well-formatted and delivered within 48 hours. Since even a brand-new flat can have defects, this gives you time to flag any issues with the builder.
The team also encourages pre-completion checks, so builders have time to fix errors before handover.
That said, since they are a snagging service, they have no legal capacity to give official building control approvals. Its wide London coverage can also lead to booking conflicts.
Customer Reviews
Highly recommend for new builds snagging
Highly recommend for new builds snagging. Ged was very efficient, providing a high quality service. The report was clearly structured, thorough and included photo evidence. It was also shared within 24 hours of the inspection and at a very competitive cost!
Hannah | Google Review
He was punctual, thorough, and incredibly knowledgeable about new-build issues
I had a snagging inspection carried out by Ged and couldn’t be happier with the service. He was punctual, thorough, and incredibly knowledgeable about new-build issues with a lot of experience. Ged picked up several defects I would never have spotted myself, explained everything clearly, and gave practical advice on what to push back on to the developer.
Genevieve Sibayan | Google Review
5. DC Building Inspectors – Snagging Surveyors
Website: https://dcinspect.uk/
Address: 71-75 Shelton Street
Contact: 07735 843752
Hours: Monday, 9:00 AM to 5:00 PM
DC Building Inspectors guarantees a same-day snagging report, which helps when you’re rushing to finalize a property purchase since you won’t be waiting on the findings.
That speed would mean little without expertise, and the team’s surveyors hold Residential Property Surveyors Association (RPSA) memberships and construction management degrees.
They put that training to work with digital straight edges and thermal imaging cameras, which check for quality and safety hazards.
They also check roof elements, hidden drainage systems and interior wet areas. That level of detail helps catch problems most buyers would miss, like paint and flooring flaws.
That said, the survey method is entirely non-intrusive, so defects behind solid walls or under floors could slip past. The service also can’t give official building approvals, so you’ll need to look elsewhere for those.
Customer Reviews
The inspection itself was comprehensive and detailed.
The inspection itself was comprehensive and detailed. They provided clear and understandable reports on the building’s condition as well as any concerns. Their expertise and knowledge were evident, and I truly felt well taken care of, knowing I had all the relevant information to make informed decisions.
Matej Knezevic | Google Review
During the inspection, it was clear that the inspector was highly knowledgeable and thorough.
During the inspection, it was clear that the inspector was highly knowledgeable and thorough. He meticulously checked every aspect of the flat, from the structural elements to the finer details like the quality of the paintwork and the functionality of the fixtures and fittings. He identified several issues that I would never have noticed on my own, including minor defects in the flooring and some inconsistencies in the paint work.
Marie Curie Van Der Schaaf | Google Review