Do you need planning consent to change windows and external doors?

The House Directory Windows & Doors design top tips

Do you need planning consent to change windows and external doors?

In certain instances, such as in a conservation area, it is always recommended to check with your local planning officer before embarking on this project. You may be asked to make your request formally in writing so be prepared to submit your application with window drawings prepared for you by specialist manufacturer Mumford & Wood. In the case of a listed property you will definitely require consent to make a change to any windows or doors. Indeed an inspection may be required. If your upgrade involves the replacement of single glazed windows andM&W792 _D6M9542 doors with double glazed products of the same material the success of your application will depend entirely on the opinion of the planning officer and the strategy employed in the specific area. He/she may be sympathetic with your need to thermally upgrade or to replace rotten, condensation soaked windows but may object in terms of traditional or period aesthetics. In this case it may be suggested that you undertake repair or consider secondary glazing instead of replacement. Mumford & Wood have great experience in working with local planners and can often resolve the problem by adapting a specific design criteria or detail to help achieve a like-for-like replacement suited to the area

How do you provide energy efficient windows for listed buildings?

Double glazed, factory-finished Conservation™ timber windows by specialist manufacturer Mumford & Wood offer the very highest levels of thermal and acoustic performance, are A+ rated and provide a U-value of 1.3 W/m²K which exceeds the requirements of current Pt L Building Regulations.

Mumford & Wood design made-to-order authentic period replacements with products in the Conservation™ range that are difficult to identify from the originals. However if your local planning officer will not approve a double glazed replacement – and the decision is entirely his – your only option is to consider secondary glazing. While this may help in a small way to improving thermal efficiency, but not by as much as with a double glazed replacement, the problem The House Directory Windows & Doors design top tipsof aesthetics arises.
Secondary glazing is considered aesthetically detrimental to elegant period sight lines so to a degree refusal to allow a double glazed upgrade on the grounds of aesthetics is inconsistent.

Well designed, energy efficient timber windows and doors will add to your comfort, will surely reduce energy consumption and associated costs, as well as control CO₂ emissions for the benefit of our families and the planet.

What type of glass do you use in windows?

Products in Mumford & Wood’s Conservation™ range use factory-finished, argon filled double glazed panels with low E coating as standard. This can be changed to obscure glass in modesty areas, or laminated glass in locations requiring additional protection such as on landings and staircases.

Mumford & Wood offer a choice of 12, 14, and 24mm double glazed units with 24mm being standard. Remember the wider the space between the two glass panes the higher the thermal performance; more slender 12 and 14mm units are aesthetically ideal in period properties but lose some efficiency. Indeed in projects that require a truly sympathetic upgrade a Conservation™ historic single glazed option may be the answer in which modern, high performance weatherseals will help thermal performance. Mumford & Wood provide the option to specify antique glass with all the natural visual defects and variations of original crown glass.


The Conservation™ Range of Timber Windows & Doors


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