Guides & cost advice
Building & renovation guides
Straight answers on cost, planning and timelines for extensions, lofts and refurbishments across Cheshunt, Enfield and North London.
Price guides 2026 — every cost in one placeCost guides
How much does a house extension cost in North London?
Typical per square metre rates, what pushes the price up or down, and a realistic way to budget for a rear, side or double storey extension in our area.
6 min readLoft conversion costs in Enfield and Cheshunt
Costs by loft type, what changes the price, and how to know whether your roof will give you a usable room.
5 min readHow much does a garage conversion cost?
What a garage conversion really costs, what changes the price, and why it is often the cheapest room you can add.
4 min readHow much does a bathroom renovation cost?
Costs by spec, what pushes the price up, and where the money actually goes in a bathroom refit.
4 min readHow much does a kitchen extension cost?
The three cost buckets of a kitchen extension, and a realistic all-in budget for an open-plan kitchen diner.
5 min readHow much does a garden room cost?
What a proper insulated garden office really costs, the corners not to cut, and the planning rules in plain English.
5 min readHow much does a basement conversion cost?
Converting an existing cellar versus digging new space, why waterproofing is everything, and realistic budgets for both.
6 min readHow much does it cost to remove a load-bearing wall?
What a knock-through really costs including the steel, the calcs and the making good, and the checks that keep it safe.
5 min readHow much does a double storey extension cost?
Why a double storey extension is the best value per square metre, and what to realistically budget for one.
5 min readHow much does it cost to renovate a house?
Light, medium and full renovation budgets for a typical three-bed, and the sequencing that stops you paying for work twice.
6 min readHow much does a granny annexe cost?
The three routes to an annexe, what each costs, and the planning rule that catches most people out.
5 min readWhat do builders and trades charge per day in 2026?
Honest 2026 day rates for every main trade in our area, and why the cheapest day rate is rarely the cheapest project.
5 min readBuilding materials and suppliers, explained
Where materials money actually goes, how trade accounts work, and when supplying your own kitchen or tiles saves money (and when it backfires).
5 min readHow-to
How long does a house extension take?
A realistic timeline for each stage, from first drawings to handover, so you can plan around the work.
4 min readHow to choose a builder in North London
The questions to ask, the paperwork to check, and the warning signs that save you from a nightmare project.
5 min readSide return extensions: the Victorian terrace transformer
The strip of dead space beside your kitchen is the key to the whole ground floor. How side returns work, and what they cost.
6 min readHow much value does an extension add to a house?
Which projects pay back best in this area, roughly what each adds, and the maths of extending versus moving.
5 min readPlanning
Do I need planning permission for an extension?
When you can extend under permitted development, when you need a full application, and the local catches (conservation areas, Article 4) to watch for.
5 min readParty wall agreements explained
When your project triggers the Party Wall Act, what the notice and award involve, and how to keep it painless with the neighbours.
5 min readFree instant quote
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