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Velux & Skylights inEastleigh

Velux roof windows and flat roof skylights. Supply and fit. Covering SO50 postcodes. Free quotes.

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Velux & Skylights in Eastleigh

Loft conversions are common across Eastleigh's Victorian terraces and 1950s semis — the attic spaces on these properties are substantial and the headroom is generally good for conversion. Correct Velux window installation on a Victorian Welsh slate roof requires approved slate flashing kits and careful integration with the surrounding slates. We carry out Velux installations on Eastleigh properties to the correct specification — properly flashed, fully weathertight.

Velux & Skylights Costs — Eastleigh 2025

Velux supply + fit (standard)£600–£1,200
Flat roof skylight supply + fit£800–£1,800
Sun tunnel installation£350–£700

All prices are guides. Call for a free no-obligation quote specific to your property.

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Velux Installation in Eastleigh

Velux window installation in Eastleigh requires the correct approved flashing kit for the roof covering in place. The Welsh slate on Victorian stock, concrete interlocking on post-war estates across Eastleigh's housing stock requires different flashing geometry for each product type. On concrete interlocking tile — the most common type in Eastleigh's estate housing — the flashing profile must match the tile profile precisely. An incorrectly specified flashing on any tile type will leak in its first wet winter. We use manufacturer-approved kits for all tile types.

Planning for Velux Windows in Eastleigh

Most single Velux installations in Eastleigh are permitted development — no planning permission required. Restrictions apply to front or principal elevation windows in conservation areas, windows projecting more than 150mm above the roof pitch, and any work on listed buildings. We advise on planning implications at the survey stage for all Eastleigh and SO50 properties before providing a quote.

Flat Roof Skylights for Eastleigh Extensions

Single-storey rear extensions in Eastleigh can be significantly improved by integrating a fixed-light or opening skylight into the flat roof. If your flat roof is being replaced at the same time, including a skylight in the programme is the most cost-effective approach — no separate return visit and the skylight can be seamlessly integrated into the new GRP or EPDM system. We quote for combined flat roof replacement and skylight installation across Eastleigh and all SO50.

Velux Installation in Eastleigh

Velux window installation in Eastleigh requires the correct approved flashing kit for the roof covering in place. The Welsh slate on Victorian stock, concrete interlocking on post-war estates across Eastleigh's housing stock requires different flashing geometry for each product type. On concrete interlocking tile — the most common type in Eastleigh's estate housing — the flashing profile must match the tile profile precisely. An incorrectly specified flashing on any tile type will leak in its first wet winter. We use manufacturer-approved kits for all tile types.

Planning for Velux Windows in Eastleigh

Most single Velux installations in Eastleigh are permitted development — no planning permission required. Restrictions apply to front or principal elevation windows in conservation areas, windows projecting more than 150mm above the roof pitch, and any work on listed buildings. We advise on planning implications at the survey stage for all Eastleigh and SO50 properties before providing a quote.

Flat Roof Skylights for Eastleigh Extensions

Single-storey rear extensions in Eastleigh can be significantly improved by integrating a fixed-light or opening skylight into the flat roof. If your flat roof is being replaced at the same time, including a skylight in the programme is the most cost-effective approach — no separate return visit and the skylight can be seamlessly integrated into the new GRP or EPDM system. We quote for combined flat roof replacement and skylight installation across Eastleigh and all SO50.

Velux Installation in Eastleigh

Velux window installation in Eastleigh requires the correct approved flashing kit for the roof covering in place. The Welsh slate on Victorian stock, concrete interlocking on post-war estates across Eastleigh's housing stock requires different flashing geometry for each product type. On concrete interlocking tile — the most common type in Eastleigh's estate housing — the flashing profile must match the tile profile precisely. An incorrectly specified flashing on any tile type will leak in its first wet winter. We use manufacturer-approved kits for all tile types.

Planning for Velux Windows in Eastleigh

Most single Velux installations in Eastleigh are permitted development — no planning permission required. Restrictions apply to front or principal elevation windows in conservation areas, windows projecting more than 150mm above the roof pitch, and any work on listed buildings. We advise on planning implications at the survey stage for all Eastleigh and SO50 properties before providing a quote.

Flat Roof Skylights for Eastleigh Extensions

Single-storey rear extensions in Eastleigh can be significantly improved by integrating a fixed-light or opening skylight into the flat roof. If your flat roof is being replaced at the same time, including a skylight in the programme is the most cost-effective approach — no separate return visit and the skylight can be seamlessly integrated into the new GRP or EPDM system. We quote for combined flat roof replacement and skylight installation across Eastleigh and all SO50.

Honest advice

How to Tell You Need Velux & Skylights in Eastleigh

Adding light to a dark Eastleigh room is straightforward with the right roof window — provided it is flashed correctly into the covering. Here is what matters.

When it is not the answer: If an existing roof window only leaks at the flashing, re-flashing beats full replacement — we will not sell you a new unit you do not need Read the full guide.

Pitched roof cross-section showing where a roof window integrates with tiles, underlay and battens
A roof window must be flashed into the covering, underlay and battens correctly to stay watertight.
The process

What to Expect: Velux & Skylights in Eastleigh

We survey, free of charge

We come out, go up on the roof and into the loft, and trace the fault to its real cause on your Eastleigh property before quoting a penny.

You get it in writing

Your quote is itemised and plain — access and scaffold priced as separate lines — so you can see exactly what you are paying for. No obligation.

We book you in

We agree a time that suits you, and we attend the same day for genuine Eastleigh emergencies.

We do the work

We cut and frame the opening, fit the unit with the flashing kit matched to your covering, then weatherproof and make good both inside and out.

We clear up and sign off

Everything is cleared away, we walk you through the finished job, and you get the written guarantee.

Timescales

Job Durations at a Glance

JobTypical duration
Single roof window install1 day
Two or more roof windows2–3 days
Skylight into flat roof1–2 days
Dormer window repair1–2 days

On Eastleigh jobs we allow for the weather off the coast; any opened-up area is made watertight before we leave each day.

Access

Getting Safely onto Eastleigh Roofs

Roof-window installation needs scaffold or towers for safe external access and flashing, itemised in the quote. Scaffold is specified for: all pitched-roof window installations above single-storey - always itemised in your written quote, never a hidden extra, and we arrange it.

Eastleigh’s railway-era terraces around the town centre have tight rear access, so scaffold and skip permits go through Eastleigh Borough Council. Pavement scaffold and skip permits go through Eastleigh Borough Council; allow a few working days on streets like Leigh Road, Market Street, the streets around Eastleigh station where space is tight.

Pricing

Velux & Skylights Prices in Eastleigh

JobTypical rangeNotes
Single roof window install£1,200–£2,200Incl. flashing kit
Two or more windows£2,200–£4,500Per project
Skylight into flat roof£1,500–£3,000Incl. kerb
Dormer window repair£600–£1,500Scope dependent
Re-flash existing rooflight£300–£600If unit is sound

What moves the price

Worked example: a single roof-window install on a Victorian terrace in the railway terraces near Eastleigh station in Eastleigh: around £1,650 including access.

Materials stage then balance on completion. Written itemised quote with the unit warranty stated. VAT included where applicable.

Covering SO50, SO53 and surrounding postcodes.

Guarantee

The Guarantee in Plain Terms

Installation is guaranteed for 10 years; the roof window itself carries the manufacturer’s warranty (typically 10–20 years) on top.

Every Eastleigh job carries the same written 10-year workmanship guarantee, and any materials carry their manufacturer warranties on top.

“Manufacturer installation standards require the correct flashing kit matched to the roof covering — the most common cause of a leaking roof window is a flashing mismatch, not the unit itself.”— BS 5534 / manufacturer installation standards
Good to know

Disruption, Mess & Weather

One or two days with some cutting noise and internal making-good; we sheet the room below and clear up fully. You do not need to stay home for external work - we just need power and access agreed in advance.

Installation runs year-round; the opening is never left exposed overnight. Eastleigh sits inland of Southampton Water with slightly less salt exposure but the same south-westerly rain-bearing winds.

FAQ

Frequently Asked Questions

Velux supply and fit in Eastleigh: £600 to £1,200. Flat roof skylight supply and fit: £800 to £1,800. Fit-only: £300 to £500. Free no-obligation quotes on all work.

Most Velux installations on rear or side elevations in Eastleigh are permitted development. Front elevation windows or properties in conservation areas may require permission. We advise on this during the free survey.

Yes. We install Velux windows into existing pitched roofs in slate, clay tile and concrete tile, using appropriate approved flashing kits for each roof type.

Yes. Velux and skylight installation across all of SO50 including Eastleigh and surrounding areas. Free quotes on all work.

Get In Touch

Free Quote in Eastleigh

No call-out fee. No obligation. Honest advice from a local roofer.

0238 184 9628
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