Sash Windows Harrow

Harrow Sash Window Installation & Repair

Sash Windows Harrow Greater London (HA1): Providing a sophisticated, period look to any property in Harrow, sash windows can improve a property's value by bringing style, charm and authenticity. If you are living in a listed building, a period property or your house stands within a protected conservation area, sash windows could be your only choice of replacement due to local caveats, and contemporary replacement sash windows are just as accurate as the originally installed windows.

Free Harrow Sash Window Quotes

To make sure your new sash windows precisely fit your requirements and comply with any legislation relating to listed building and conservation area status, a specialist Harrow glazing company will hand-make your sash windows in the time honoured way. The skilled tradesmen will use sustainably sourced timber in soft or hard wood varieties, that are renowned for their robustness and anti-rot capabilities. Unless of course, you would prefer a more contemporary look, with stylish uPVC, composite, aluminium framed sash windows to seamlessly integrate with the style and design of your property in Harrow.

Sash Windows Harrow Greater London (HA1)


The principal distinction between sash and casement windows, is that sash windows don't use a hinge to open, they slide. Each sash window has two parts, whereby one or both of them are able to slide vertically behind the other. Counterweights and cords keep the window in position permitting the window to be opened to any size gap, without automatically slamming shut. The classic sash windows didn't move in any other direction than simply up and down, but modern day versions provide vertical or horizontal (called Yorkshire Sash) movement, and also offering the possibility of tilting which are far easier to clean.

One of the major advantages that a sash window has over a casement style is that it's much more effective for room ventilation. If both bottom and top sash window can be moved you can establish a convection air flow within your home, with cool air entering through the gap at the bottom, and warm air escaping through the gap at the top. This benefit is particularly helpful in the summer months and helps to improve personal comfort levels around your house in Harrow.

Sash Window Fitters Harrow UK (020)

Increased security measures for traditional sash windows provide peace of mind for any property owner in Harrow, by the installation of locks, double or reinforced glazing, stops and threaded bolt screws to prevent any unauthorised opening of your windows. Adding a frame to frame lock is one of the most effective forms of security for a sash window in Harrow. This kind of lock involves the use of a bar or bolt which secures the top sash to the bottom frame, preventing the opening of either sash. As it can't be accessed from the outside by potential burglars, security is improved.


You should think about refurbishing or replacing your sash windows in Harrow if they've become damaged or no longer work as they should (sticking in place, not opening etc). A qualified Harrow sash window fitter will be able to offer advice on whether it's possible to refurbish your current windows, or would be preferable to swap them for new sash windows.

A comprehensive refurbishment of your existing sash windows in Harrow will typically involve removing them from their frame for work to be completed effectively. It might be as simple as scraping off a few layers of paint which have built up over the years, or perhaps if the window glass is draughty and rattling, the frame might need tightening up in a special jig. You'll probably find that your local sash window contractor in Harrow will offer a assessment of your frames and windows to verify any problems, propose solutions, and provide an estimate for the work. In most cases sash windows can be repaired, whether they are suffering from faulty mechanisms, rotting frames, broken glass or frayed cords. You must remember though, that in practical terms there is frequently a balancing act between what's achievable and what is actually the most cost-effective in the long run.

If you need to restore an existing sash window, or are trying to make a replacement one, there is an array of sash window components and mouldings. When minor repairs are required, this is especially useful, since you can just get the parts that are necessary for the task. Mouldings that can normally be found include: staff beads, sash bars, top & bottom meeting rails, parting beads, glazing bars, bottom rails, step cills, ovolo glass beads, stiles, sash stiles and transom drips.

Sash Window Quotes in Harrow Greater London


Looking at all of the different designs of sash windows which are available in sales brochures and on the internet can be a little bit confusing. To make the whole process easier, you should realise that there are essentially three primary designs: Edwardian, Georgian and Victorian, to consider. So as to complement the style of your house in Harrow, each one has their own variations.

Sash Window Installation Near Harrow Greater London

Georgian - The customary design of the Georgian is "six over six", which means it consists of six individual panes in the top sash, over six individual panes in the bottom sash. A Georgian can be customised to the Half-Georgian (a single pane in one half, 6 panes in the other), or a Georgian-variant which can have different sizes of pane in bottom and top, as long as one half of the window has 6 panes.

Victorian - The Victorian style sash window features a 2 over 2 panel design with a central bar, asymmetric (3 over 2, or 2 over 3 etc) variants are also possible.

Edwardian - A 6 over 2 style which is quite similar in design to a half Georgian.

To determine which would be the perfect model for your property in Harrow, you should speak to a local window installer, rather than racking your brain going over all these different versions.

Each of these patterns can be created in all sizes of windows, including bay and coupled windows. There is actually another major style of sash window, which is referred to as the Yorkshire Sash Window. Integrating with any of the 3 principal patterns and their variants, this type is a horizontally sliding window.

Sash Window Installers Harrow (HA1)


One disadvantage of sash windows in past times, is that they were only fitted with a single layer of glass, which to prevent heat loss is not effective. If your property is situated in a protected conservation area, or is a listed building, you may need to replace your sash windows with a similar arrangement as your existing ones. Modern advancements enable toughened glass with superior thermal properties over the original glass, to be fitted. This enables you to replace all your sash windows but preserve the appearance of the building as a whole.

An established Harrow sash window installation company can supply you with the best and most cost-effective materials that are necessary to complete the work, whilst offering advice and guidance on ways to conform to the legislation for your local area. When a conservation official or local authority insists that existing materials are refurbished, it might be necessary to perform a window by window inspection report to reduce any impact on the structure. A reliable installation company will be happy to do this assessment and get a report ready for for the planning department, including technical drawings, essential replacement works and full details of your renovation scheme.

An upgrade to your sash windows in Harrow may be possible by going down the secondary glazing route. This will allow you to improve your thermal efficiency, stop condensation and reduce noise levels by the addition of a vertically sliding secondary glazed panel to the inside of your sash window. Secondary glazing techniques are an effective way to improve your sash windows, while still preserving the integrity and authentic character of the structure. And even when you are restricted by planning constraints in the case of a listed building, this can still usually be accomplished.


For the expert installation of sash windows that will last for the foreseeable future, you'll need to locate a reputable sash window installation contractor in the Harrow, Greater London area. When possible, you can friends and relatives for recommendations of window fitters in Harrow. From the prospective companies, see if you can obtain a minimum of three different quotations. Membership of either the Glazing Arbitration Scheme (TGAS), the Glass and Glazing Federation (GGF) or the Fenestration Self-Assessment Scheme (FENSA), should guarantee a company's skills and competence in glazing and sash window installation. There are several advantages to employing a sash window fitter in Harrow who is a member of one or more of these leading associations, including warranties in case of poor craftsmanship and methods of finding arbitration if legal proceedings are necessary due to substandard products.

Book a Sash Window in Harrow UK

Sash window installation can be done in Harrow and also in: Burnt Oak, Wealdstone, Belmont, Greenhill, South Harrow, Kenton, Harrow on the Hill, Harrow Weald, North Harrow, Roxeth, Rayners Lane, West Harrow, together with these postcodes HA1 1SE, HA1 1QL, HA1 1EP, HA1 1QD, HA1, HA1 1UH, HA1 1FD, HA1 1TE, HA1 1XF, and HA1 1QS. Local Harrow sash window installers will likely have the postcode HA1 and the telephone code 020. Checking this out will ensure you're accessing local providers of sash windows. Harrow home and business owners will be able to utilise these and numerous other similar services. Click on the "Quote" banner to obtain sash window installation estimates.

Aluminium Sash Windows Harrow

If you are looking for less conspicuous frames, slimmer lines and extra glass in your windows, you could think about aluminium sash windows for your home in Harrow. Notable for their strength, resistance to rust and durability, aluminium sash windows can be purchased in a variety of colours and styles and boast a streamlined modern look that other sash windows can't compete with.

With aluminium being easily recycled, eco-friendly and sustainable, this material offer many benefits, and sash windows manufactured from aluminium are more or less maintenance free. The modern aluminium sash windows that can be purchased today are double-glazed, properly insulated and satisfy all the current building legislation. They're way better than the aluminium windows of the 70s. (Tags: Aluminium Sash Windows Harrow, Sash Style Aluminium Windows Harrow, Aluminium Windows Harrow).

Sash Window Repairs Harrow

There's no arguement - traditional wooden sash windows can get fairly shabby if they are not properly looked after and maintained. Don't fret, because the fact that your sash windows are draughty, noisy and decaying and leaking water, may not even be your fault, as they may have been in a sad state years before you even bought your home in Harrow.

A fleeting glance at these windows won't always betray the extent of the problem, and most householders wouldn't give it a second thought, but I can assure you that there are thousands of sash windows out there in dire need of repair. For this sort of work you really need a sash window expert who knows exactly what they're up to, and it should not be completed by any old odd job man or wood bodger.

Except if your timber sash windows have been horribly neglected over a long period, they can generally be repaired and refurbished with a little bit of hard work and ingenuity, so if you bring someone in to look at them and their only response is a sharp intake or breath and an obvious attempt to simply sell you replacements (easier and more profitable for them), you must give them short shrift and keep on looking.

Professional sash window specialists will want to conduct a full inspection of your window or windows, at which point they'll lay out all of the possible solutions, including what will have to be replaced and what components can be fixed during the restoration. Make sure that they also provide you with an itemised quotation so you can make a confident decision about how you should proceed. Some of the most common repairs include such things as:

  • Replacement sashes
  • Re-sealing & draughtproofing
  • Stile replacement
  • The replacement of pulleys & sash cords
  • Furniture & fittings replacement
  • Sill replacement
  • Filling & repainting
  • Spliced sill repairs
  • The addition of double-glazed panels
  • Removing & replacing rotten timber

(Tags: Sash Window Repairs Harrow, Sash Window Repair Harrow, Repairs to Sash Windows Harrow, Sash Window Maintenance Harrow).

Sash Window Trickle Vents Harrow

For homes in Harrow that are fitted with sash windows, it is crucial that there is some sort of ventilation in each room. This is something that's often ignored as we all seek to increase the insulation of our homes. But, if you are to minimise issues like mould growth, damp penetration and condensation, a certain level of ventilation is necessary.

The ideal way to enable ventilation without actually opening your sash windows is to fit trickle vents. If you've picked uPVC windows they'll often already have trickle vents, however professional installation might be required for some other styles of sash window.

Working to the concept that cold air falls (while hot air rises), trickle vents are fitted to the head of a sash window, and as the air flows through from outside it "trickles" downwards when entering the room and cools the inside glass surfaces, thereby preventing condensation and related problems.

You should try to get flush fitting low-profile trickle vents if you can, so you don't spoil the smooth lines of your windows. These aren't as conspicuous as some trickle vent designs and appear much neater once in place. (Tags: Window Trickle Vent Harrow, Sash Window Trickle Vents Harrow, Sash Window Ventilation Harrow).

Sash Window Maintenance Harrow

One of the best ways to protect a home's sash windows is to take care of them regularly. You should have your windows inspected at least once a year by a qualified specialist. A specialist will be able to assess the condition of your windows and make any necessary repairs. You should also make sure that you hire a professional who has experience in restoring sash windows. Inexperienced contractors could cause damage to your windows.

One of the most basic maintenance tasks for sash windows is to check the sash cord. It's located in the frame and should be loosened if the window is in an open position. Otherwise, it might cause the sash to rattle. If you've recently repaired a window with a sash cord, make sure to replace it with a new one made of stainless steel or brass.

Another important part of sash window maintenance is to check the weather-stripping. If it's cracked or scuffed, it's time to replace it. You may also notice signs of water leakage, mildew or mould. You should also check the window screens for damage. During the winter, they may get damaged by snow and ice. Therefore, it's best to remove the screens during winter to extend their life.

You should also clean the window and apply a wood hardener if necessary. The sash window is prone to rot if it's not treated. Rot can weaken the window's structural integrity and lead to leaks. To fix this, clean the affected area thoroughly and apply a wood hardener or oil. If the damage is extensive, you may need to replace the entire sash. (Tags: Care of Sash Windows Harrow, Maintaining Sash Windows Harrow, Sash Window Maintenance Harrow)

Sash Window Cord Replacement

Crucial for maintaining classic sash windows' functionality is sash window cord replacement. As time elapses, the cords securing the sashes may wear out or break, resulting in windows becoming challenging to operate. By replacing the worn-out cords with new, durable ones, a skilled specialist can rectify this and ensure smooth and easy sliding of the sashes. By investing in sash window cord replacement, householders in Harrow can preserve the charm and authenticity of their historical properties while enjoying the convenience of fully operational and functional windows. In Harrow, specialist sash window installers will happily replace any broken sash cords in your home, so that your windows can operate smoothly once more. (16295)

Sash Window Related Tasks

Sash Window Related Tasks Harrow

There is a wide range of work that can be completed by your local Harrow sash window specialist including sash window beading, mock sash windows, replacement sash windows, Georgian sash window installations, the replacement of sash cords, Georgian sash windows Harrow, sash window glazing, sash window prices, sash window catched, sash window condensation problems, residential sash windows in Harrow, double-glazed sash windows, the installing of sash windows, bespoke sash window installations in Harrow, timber sash windows Harrow, Victorian sash window installations, sash window weights, sash window restrictors, aluminium sash windows, Edwardian sash windows Harrow, secondary glazing, sash window mouldings, sash window renovation in Harrow, sash window advice, sash and case windows, sash bay windows Harrow, sash window stops, sash window soundproofing, window sash replacement, and more. If there happen to be different Harrow sash window requirements that you need but cannot see here, you can mention them on the QUOTE FORM provided. These are just a handful of the activities that are undertaken by those installing sash windows. Harrow providers will keep you informed about their whole range of services.

Skip Hire Harrow

Skip Hire Harrow (HA1)

Although it's exciting to do home improvements or garden makeovers on your property in Harrow, a big downside can be having to get rid of the waste that is generated after the job is finished. For your sash window installation or replacement, varying quantities of waste will be created, depending on your specific circumstances, and the scope of your project. If waste removal isn't mentioned in the job quote, you'll have to organise this yourself, because quite a few tradesmen don't have the wherewithal to do this.

Whether you're left with doing this job yourself, or the tradesman is sorting it out, a skip will sometimes be required. Coming in a wide variety of different sizes, skips can be booked to match the quantity of waste that you're likely to produce. Skips are usually available the following styles: skip bags (1-1.5 yds), mini-skips (2-3 yds), midi-skips (4-5 yds), builders skips (6-8 yds), roll-on roll-off skips (20-25 yds).

If you think you may require a skip for your home improvement project CLICK HERE for a quote.


Sash Windows Near Harrow

Also find: North Harrow sash windows, Burnt Oak sash windows, Kenton sash windows, West Harrow sash windows, South Harrow sash windows, Harrow Weald sash windows, Wealdstone sash windows, Harrow on the Hill sash windows, Greenhill sash windows, Rayners Lane sash windows, Belmont sash windows, Roxeth sash windows and more. Sash window fitters are available to serve people living in almost all of these towns and locations. By going here, local property owners can get sash window installation estimates.

Sash Window Services Harrow

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Sash window installation in HA1 area, (dialling code 020).

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(This sash windows Harrow article was revised and updated on 23-02-2024)

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