
Ian Rock
Chartered surveyor Ian Rock MRICS is a director is Rightsurvey.co.uk and the author of eight popular Haynes House Manuals, including the Home Extension Manual, the Self Build Manual and Period Property Manual.
Ian is also the founder of Zennor Consultants. In addition to providing house surveys, Zennor Consultants provide professional guidance on property refurbishment and maintenance as well as advising on the design and construction of home extensions and loft conversions, including planning and Building Regulations compliance.
Ian has recently added a 100m2 extension to his home; he designed and project managed the build and completed much of the interior fit-out on a DIY basis.
Latest articles by Ian Rock

Knocking down internal walls — how to safely demolish load-bearing and non-load bearing walls
By Ian Rock, Sarah Harley last updated
Removing internal walls to create light-filled rooms is a popular trick amongst home renovators, but can be risky if you don't know how. Follow our expert guide to success

Take a step in the right direction with our guide to loft conversion stairs
By Sarah Harley last updated
Loft conversion stairs need to be safe, practical and designed to suit the rest of your home. We explore, rules, regulations and how to deal with tricky issues such as headroom and size

Building regulations and the Building Safety Act: The ultimate guide
By David Snell, Ian Rock, Joseph Mullane last updated
The building regulations can be more than a little confusing to navigate. Our simple, updated, guide for 2025 explains everything you need to know, including what any changes could mean for you

An expert explains why adding external wall insulation to a home can reduce energy bills
By Ian Rock, Tim Pullen last updated
Introducing external wall insulation will increase the energy efficiency of your home and reduce energy bills. Here we reveal what you need to consider before you make a start

The telltale signs you've got condensation in your loft — and how to solve it
By Ian Rock last updated
Condensation in loft spaces is unwanted and unhealthy. Get expert advice on how to combat moisture, reduce humidity, and keep your loft dry

Cracks in your brickwork? A surveyor explains subsidence and how to spot it in a home
By Ian Rock published
If you have a renovation project and are wondering whether or not it might have subsidence, our expert is here to help

Choosing foundations for difficult sites: Expert advice for getting them right
By Ian Rock last updated
Choosing foundations for difficult sites can lead to rising costs, delays and long-term problems if you get them wrong. Here's how to get them right

Flat roof extensions: An expert guide
By Ian Rock last updated
Flat roof extensions require extra attention due to their structure, insulation and covering. Chartered surveyor, Ian Rock shares his advice for achieving a successful, low-maintenance solution

How to identify and treat dry rot in your home — plus how to prevent it
By Ian Rock published
Untreated dry rot can rapidly spread causing extensive damage to structural timber and wooden fixtures. Chartered surveyor, Ian Rock shares his expert advice for dealing with dry rot

Our expert explains the risks of building by trees — plus how to avoid problems
By Ian Rock published
Although beautiful to look at trees can be problematic when it comes to building works. Expert Ian Rock offers advice for tackling trees

An expert guide to building regulations drawings
By Ian Rock published
Chartered Surveyor, Ian Rock, explains why you need building regulations drawings, who can produce them and how much they will cost

Can you extend on a sloping site? Absolutely! Our expert explains how
By Ian Rock published
Building an extension on sloping land can present many issues — but it can also be considered an opportunity as much as an obstruction, as chartered surveyor Ian Rock explains

Do you know your damp proof courses from your damp proof membrane? Our Chartered Surveyor explains all
By Ian Rock published
Chartered Surveyor, Ian Rock, delves into damp proof courses (DPCs), explaining everything from their purpose to the steps to take if you suspect yours has failed

Mould in houses: causes, prevention and solutions
By Ian Rock published
Chartered Surveyor Ian Rock explains how some types of building work can often be the culprit behind mould starting to grow inside your house

How to spot wet rot — plus how to treat it according to a chartered surveyor
By Ian Rock published
Chartered surveyor Ian Rock answers the question 'what is wet rot' and examines some ways to identify and treat the issue before it damages your home

Which floor structure is best for your home?
By Ian Rock last updated
The methods used to construct new floor structures have come on hugely in recent years. Chartered surveyor Ian Rock offers a self-builder’s guide to getting the ground under your feet structurally sound

How to insulate a flat roof
By Ian Rock published
Wondering how to insulate a flat roof? Our guide explains the best solutions for all kinds of situations, including those that will help keep renovation costs down

How to get foundations for extensions right — and whether you need a trial hole
By Ian Rock published
Adding an extension to your home? Getting foundations for extensions right is key in determining the stability and longevity of the new addition. Chartered surveyor Ian Rock explains what you need to consider

Cracks in ceilings: When to worry and when to relax
By Ian Rock published
When ceiling cracks appear in an old or original ceiling, is it serious or superficial? Chartered surveyor Ian Rock explains when to call in the experts

Opening up a fireplace: Your complete how-to guide
By Ian Rock last updated
Opening up a fireplace can often be a job undertaken on a DIY basis by renovators — and it is certainly one well worth doing. Our guide will take you through the process

25 Potential Pitfalls When Renovating a Property (and How to Avoid Them)
By Ian Rock last updated
Here's what not to do when renovating to make sure your project doesn't end up as a money pit

Party Wall Agreements: When and Why Do You Need One?
By Claire Lloyd, Ian Rock last updated
Get your Party Wall Agreement in place, and your project underway with our complete guide to everything you need to do

Bungalow Loft Conversions: Adding Space to Single Storey Homes
By Ian Rock last updated
Bungalow loft conversions are a cost-effective way to add lots of extra space to single storey properties. Our guide explains how
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