How to Measure for a Built-in Oven and Hob Package

Key takeaways

• Always measure the actual cabinet aperture and worktop cut-out, not just the door fronts or worktop overhang.
• Standard single built-in ovens usually fit a 600 mm wide cabinet, but depth and ventilation clearances still need checking.
• Hobs have specific cut-out sizes with small tolerance ranges; double-check the manufacturer drawings before you buy.
• Plan safe positions for electrical or gas connections so they are not directly behind the oven or under the hottest part of the hob.
• Before choosing a package, it can help to browse popular oven and hob bundles on retailers such as these best-selling cooker and hob sets to see typical sizes and layouts.

Why accurate measuring matters

Fitting a built-in oven and hob is not just about making them look flush with your cabinets. They need space to ventilate, clearance from nearby surfaces, and correct alignment with drawers and doors below. If you rely on “standard sizes” alone, you risk the oven fascia sitting proud of the units, the hob overhanging the worktop cut-out, or a control knob lining up perfectly with a handle where it is awkward to use.

There is also a safety aspect. Electric and gas ovens need room at the back for cables, sockets, isolators and sometimes gas pipes. Hobs need safe distance from walls, splashbacks and above-hoods. Measuring properly at the planning stage means your installer can work efficiently and safely, and you avoid last‑minute compromises like moving sockets or trimming units.

Careful measuring also gives you more flexibility in what you can buy. Once you know, for example, that your cabinet height can accept a deeper cavity, or that you have an unusually thick worktop, you can confidently filter products to those that will fit first time, rather than choosing purely on guesswork or looks.

Tools and preparation

Before you start measuring, gather a few basic tools and documents. Having everything to hand will help you work methodically and avoid repeated trips back and forth across the kitchen.

• Steel tape measure (at least 3–5 m long)
• Notepad or phone for recording measurements
• Spirit level (useful for checking worktop and floor level)
• Small torch for looking into units and behind them
• Existing appliance manuals (if you are replacing like for like)

If you have already short‑listed any oven and hob packages, download the installation diagrams and technical drawings. These usually list the minimum cabinet size, ventilation requirements and cut-out dimensions you need to match against your measurements.

Understanding standard oven and hob sizes

Most built-in oven and hob packages are designed to fit around standard 600 mm wide base units and worktops. That said, “standard” does not mean “identical”, and sizes vary slightly between brands and models. Thinking in terms of ranges and tolerances helps you plan safely.

Typical built-in oven cavity sizes

In many UK kitchens, a single built-in oven is designed for a 600 mm wide cabinet. The cabinet’s external width is around 600 mm, while the internal aperture for the oven is usually in the 560–568 mm range. The oven body that slides into the cabinet is smaller than the front fascia, which typically covers the edges of the aperture.

Depth is where people most often get caught out. A built-in single oven body is commonly around 540–560 mm deep, but you must also allow extra space at the back for the plug, cable or gas connection, plus any ventilation gap required by the manufacturer. Even if your cabinet is a standard depth, obstructions like a solid back panel, incoming pipes or cables can reduce the usable depth.

Typical hob cut-out sizes

Hobs are described by their overall width (for example, 60 cm, 70 cm, 75 cm) but the dimension your fitter really needs is the cut-out size: the rectangular hole that must be cut in the worktop. For a 60 cm hob, the cut-out is often in the region of 560 mm wide by 490 mm deep, with a tolerance of a few millimetres either way. The exact figures vary by brand, so you must check the installation diagram.

Some hobs are designed to sit almost flush with the worktop, while others sit slightly raised on a lip. Each design has its own minimum distance from the worktop front edge and back wall. Getting these wrong can lead to a hob that is too close to a wall unit, or a front control that hangs uncomfortably near the worktop edge.

Do not assume your new hob will fit the cut-out of your old hob. Even if both are 60 cm models, the cut-out dimensions and corner radii can be different. Always confirm against the new product drawings.

Step 1: Measure the oven cabinet

Start with the space where your built-in oven will sit. This might be a standard under-counter oven housing or a tall cabinet with the oven at eye level. Your goal is to measure the actual internal aperture, not just the external cabinet size or the door fronts.

Measuring width, height and depth

Open any doors or remove any drawers below and above the oven space. With a tape measure, record the aperture width in three places: top, middle and bottom. Use the smallest figure as your true width, as cabinets can bow slightly over time. Do the same for the height, measuring at the left, centre and right. For depth, measure from the front edge of the cabinet (not the worktop overhang) to the back panel or any obstruction.

Write these measurements down clearly and label them so you do not mix them up. For example, you might have: width 565 mm, height 595 mm, depth 545 mm. Compare these to the manufacturer’s required niche size for any ovens you are considering. You need to ensure both that the oven body will physically fit and that you will not block any essential ventilation areas.

Checking back panels and obstructions

Many oven housings have a full or partial back panel. Some installers remove this panel to create more depth for the oven and services. If the panel is present, measure to its inner face and note whether it is removable or structural. Check for pipes, sockets, isolator switches or junction boxes that could clash with a deeper oven.

If you are replacing an older freestanding cooker with a built-in oven and separate hob, pay particular attention to the services in the opening. There may be a gas pipe or cooker control that was acceptable for a freestanding cooker, but would sit directly behind a built-in oven. In those cases, you may need to plan for rerouting or repositioning when you book your installation.

Step 2: Measure the worktop and hob area

The hob sits in a cut-out in the worktop, usually above a cabinet, drawer pack or the oven itself. Here, you need to check the worktop depth and thickness, the distance to walls and units, and what sits directly under the hob area.

Worktop depth and thickness

Measure the depth of your worktop from the front edge to the wall or splashback. Standard depths are around 600 mm, but deeper or shallower worktops are common in some layouts. Also measure the thickness of the worktop itself, typically 28–40 mm for laminate, and potentially more for stone or solid surfaces.

Installation instructions for many hobs will specify a minimum worktop thickness for secure fitting, and sometimes a maximum for the fixings supplied. They may also state a minimum clearance between the underside of the hob and any surface or appliance below. If your worktop is thinner or thicker than average, use these measurements to check compatibility before you buy.

Hob position and clearances

Measure the distance from the front edge of the worktop to the proposed front edge of the hob cut-out. Many manufacturers specify a minimum distance from the worktop edge (for example, around 50 mm or more), both for safety and to keep controls in a comfortable position. Also measure from the back edge of the worktop to the wall or upstand, and from the hob centre to any side walls or adjacent tall units.

Typical guidance includes minimum distances from the hob to combustible side walls and to an extractor hood above. While these distances vary by product, knowing your available space helps you immediately rule out hobs that would sit too close to a wall cabinet or could not meet hood clearance rules.

Step 3: Match oven height to surrounding cabinets

A built-in oven should line up neatly with surrounding drawers and doors so that the front fascias form a clean, continuous run. This depends both on the oven’s facade height and on how the housing is constructed or adjustable. While most single ovens are similar in height, there are variations, especially for compact or double models.

Measure from the floor to the underside of the worktop or the fixed shelf where the oven will sit. Compare this to the oven’s installation drawing, which will show the height of the fascia and where the fixing points sit relative to the bottom edge. If your cabinets have adjustable legs, you or your fitter may be able to fine‑tune the height, but it is wise to confirm that you are within a few millimetres of an ideal alignment.

If you plan to install a double oven or a combination of oven and separate grill unit, check the total stacked height against the tall housing. Again, you are aiming for a balanced layout where the top and bottom gaps match the manufacturer’s requirements and visually sit well with adjacent doors.

Step 4: Check ventilation and clearances

All ovens and hobs generate heat, and the manufacturer’s instructions will specify the ventilation gaps needed for safe operation. These might include a small gap at the rear of the cabinet, open plinth space at the bottom, or a slot in the cabinet above. Ignoring these requirements can affect performance and, in extreme cases, safety.

Oven ventilation requirements

Look for notes in the oven’s technical documentation that describe ventilation. Common requirements might include a certain size of gap behind the oven, a minimum distance to the back panel, or an open area in the plinth for cool air to circulate. Some ovens vent warm air out of the front, while others use specific channels in the cabinet.

Compare these to your existing cabinet design. If, for example, your housing has a fully closed plinth and a solid back, you might need to remove panels or create additional cut-outs for airflow. Build this into your planning rather than discovering it on installation day.

Hob clearance and safety distances

For hobs, clearances are usually described in terms of minimum distances to walls, splashbacks, cupboards and extractor hoods. Check the minimum distance from the hob to any wall unit directly above, and to any flammable surface to the side. You may also find guidance on the distance from the hob to the top of an oven or drawer unit beneath.

If your chosen hob is a powerful gas or induction model, these rules matter even more, as the concentrated heat can damage adjacent surfaces if they are too close. Use your measurements to confirm that any cabinets or hoods in the area can meet those limits or decide whether you need to adjust your layout.

Step 5: Cable, socket and gas supply positioning

Once you know that the oven and hob will physically fit, think about the services that power them. For electric ovens and hobs, this usually involves a dedicated circuit, an isolation switch and a connection point or socket. For gas hobs, you also need a safe, accessible gas supply route that does not clash with the oven cavity.

Safe positions for electric connections

As a general rule, sockets and connection plates should not be located directly behind the oven or under the central area of the hob. Instead, they are often placed in an adjacent cabinet or low down and to one side within the same housing, in a position your installer can access without removing the whole appliance.

Measure and note the height and lateral position of any existing sockets, switches or connection boxes. Check these against the oven depth and hob under‑clearance so that your installer can confirm they are acceptable or advise on changes. If you plan to replace a freestanding cooker with separate built‑in units, be prepared for some rewiring or repositioning.

Gas supply routes for gas hobs

For gas hobs, measure where the gas pipe enters the kitchen and how it currently connects to any existing appliance. The pipe and flexible hose must not be crushed behind the oven or forced through tight gaps. Make sure there is a clear route, ideally in a neighbouring cupboard or lower area, so that the hob connection point sits within reach but away from direct heat.

If you are unsure whether your current gas run is suitable, your safest option is to gather your measurements and ask a Gas Safe registered engineer to advise before you finalise a package. This way, you can choose a layout that matches both your kitchen structure and gas safety requirements.

Step 6: Cabinet and drawer checks

A built-in oven and hob package has to work with the rest of your storage, not fight against it. Before you order anything, open every nearby drawer and door and imagine how they will behave when the new appliances are in place.

Drawers and ovens under the hob

If your hob will sit above a drawer pack or oven, measure the internal drawer heights and check the manufacturer’s guidance on minimum clearances under the hob. Some hobs require a fixed shelf or heat shield between them and any storage; others allow drawers below as long as there is a specified air gap. Taller utensils or cutlery organisers may need to be adjusted to stay clear of the hob underside.

For ovens, open the door of the housing beneath the planned hob area and picture how the oven fascia will align with neighbouring drawers. If you plan a double oven that is taller than your old single oven, confirm it will not clash with a cutlery drawer or impede access to a corner cupboard.

Side panels and front edges

Measure the thickness of side panels between cabinets and check any visible gables. Most built‑in ovens are designed to sit with their fascia overlapping the front edges of the adjacent units. If you have unusual decorative end panels, extra‑thick doors or handleless profiles, it is worth checking that the oven’s handle and controls will not foul a neighbouring door when both are open.

Likewise, for a hob, confirm that the proposed position leaves enough space for pan handles to sit clear of knobs, walls and tall units. This is especially important in compact kitchens where a hob might be close to a return wall or a tall larder cabinet.

Measurement tolerances and common mistakes

Even the most careful measuring cannot guarantee that everything is absolutely perfect to the millimetre. Manufacturers usually design appliances with a degree of tolerance in mind, especially around fascia overlap and cut-out sizes. Understanding where you have “wiggle room” and where you do not can make installation smoother.

As a rough guide, an oven designed for a 560 mm wide aperture may allow a few millimetres of variation either way. Similarly, hob cut-out dimensions often list a +/- tolerance, for example 560 mm +/- 2 mm. Staying within these ranges is important, as going too large can leave the appliance insecure in the worktop, and too small may prevent it from seating correctly.

Always treat the manufacturer’s minimum and maximum sizes as hard limits. If your cabinet or worktop falls outside those ranges, adjust the furniture or choose a different model rather than forcing a poor fit.

Typical mistakes to avoid

• Measuring from the end of the worktop rather than the cabinet edge, leading to incorrect hob positioning.
• Ignoring worktop thickness when checking hob under‑clearance to drawers or ovens.
• Assuming every 60 cm hob shares the same cut-out as your old one.
• Forgetting to allow space at the back for plugs, isolators or gas pipes.
• Measuring only once; always measure at least twice and in multiple positions.

Practical measuring checklist

To make things easier, here is a concise checklist you can follow room‑by‑room. Tick each item off as you go to ensure you have all the information you need when you come to choose your built‑in oven and hob package.

Oven space

• Internal cabinet aperture width (top, middle, bottom – record smallest)
• Internal cabinet aperture height (left, centre, right – record smallest)
• Depth from front cabinet edge to back panel or obstruction
• Note: Is the back panel removable or fixed?
• Location and height of any sockets, switches or gas pipes in the cavity
• Distance from floor to underside of worktop or oven shelf
• Plinth style and whether there is any existing ventilation cut‑out

Hob area

• Worktop depth (front edge to wall or splashback)
• Worktop thickness
• Distance from front edge of worktop to proposed hob front edge
• Distance from hob centre to any side wall or tall unit
• Distance from worktop to underside of wall units or extractor hood
• Height and position of any services under the hob area
• Type of cabinet below the hob (drawer pack, oven, cupboard)

Example packages and fit considerations

Once you have your measurements, you can start comparing them with real‑world cooker and hob sets to see how easily they would integrate into your kitchen. Browsing popular electric cooker and ceramic hob combinations can give you a feel for how capacities, dimensions and energy ratings vary, even among models intended for similar spaces.

For instance, if you are still deciding between built‑in packages and more traditional freestanding cookers, looking at compact electric cookers with ceramic hobs can help you visualise how the footprint and oven capacity compare. You can explore examples such as a Hisense 60 cm electric cooker with ceramic hob, a compact Haden 50 cm double oven cooker, or a larger AEG double‑cavity ceramic cooker to understand how different form factors might suit your available width and cabinet layout.

Even if you ultimately go for a fully integrated oven and separate hob, seeing how these all‑in‑one designs use the same overall width as a base unit, and how tall they are from floor to hob surface, can guide where you place your built‑in oven within a run of cabinets and how high you would like your hob to sit for comfortable everyday cooking.

Conclusion

Measuring for a built-in oven and hob package is all about taking things step by step: cabinet aperture, worktop dimensions, clearances, and services. When you record each measurement carefully and cross‑check it against the appliance’s installation diagrams, you greatly reduce the risk of surprises and give your installer everything needed for a smooth, safe fit.

Once your measurements are in hand, you can confidently narrow down suitable oven and hob combinations, whether you stick with traditional ceramic surfaces, explore induction, or compare them with compact cookers similar to the Hisense electric cooker or a double‑cavity ceramic model from AEG. With accurate measurements and a clear understanding of the rules around ventilation and services, choosing the right built‑in package becomes far simpler.