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Flat Roofing in Old Basing

Local flat roofing specialists covering Old Basing, Basingstoke. We know the 16th–19th century period cottages and listed buildings here — heritage material matching in conservation area and every other common issue on this estate.

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20+
Years Local
127
5★ Reviews
24/7
Emergency
10yr
Guarantee
Honest advice

Is Flat Roofing the Right Fix?

Flat roofs fail in a small number of predictable ways, and which one applies decides whether a patch is sensible or simply postpones a replacement at extra cost.

When it is not the answer: If the covering is under 15 years old and the failure is one identifiable split or puncture over a sound deck, a localised repair is the honest answer at a fraction of replacement cost. Read the full guide.

Comparison diagram showing insulation placement above the deck in a warm roof and between joists in a cold roof, with vapour control and ventilation paths
Warm deck vs cold deck flat roof construction
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Services in Old Basing
Flat Roofing by Neighbourhood
Flat Roofing in Old Basing

Flat Roofing Covering Old Basing, Basingstoke

Flat Roofing on Old Basing's 16th–19th century period cottages and listed buildings addresses the specific challenges of this neighbourhood: heritage material matching in conservation area. Properties along The Street, Bartons Lane, Belle Vue Road are typical of the estate's housing profile — handmade clay and Welsh slate tiles on period cottages and listed buildings. Historic village with basing house ruins, conservation area, distinct from surrounding estates. We tailor our flat roofing approach to these exact conditions rather than applying a generic specification.

Why Old Basing Specifically for Flat Roofing

Historic village with basing house ruins, conservation area, distinct from surrounding estates. The 16th–19th century period cottages and listed buildings along The Street, Bartons Lane, Belle Vue Road present specific flat roofing challenges: heritage material matching in conservation area. Our approach is tailored to these exact conditions — not a generic specification applied to every Basingstoke property regardless of its neighbourhood.

How We Install Flat Roofs in Old Basing

Step one: strip the existing covering completely. We never overlay new material on old — it hides deck problems, adds weight, and voids manufacturer guarantees. Step two: inspect the timber deck for rot, delamination and adequate structural support. Any compromised sections are replaced with marine-grade plywood. Step three: create correct drainage falls using tapered insulation or firring strips — minimum 1:40 gradient so water reaches the outlet rather than ponding.

For GRP, we apply resin and glass fibre matting in controlled conditions, building a seamless shell bonded to every surface including upstands, edge trims and pipe penetrations. For EPDM, the rubber membrane is fully bonded to the prepared deck with all edges and terminations mechanically secured and sealed.

Drainage Design for Old Basing Properties

Correct drainage separates a flat roof that lasts 25 years from one that fails in five. We calculate required falls from the roof area and outlet position, then build the gradient into the deck rather than relying on the membrane to shed water across a level surface. On Old Basing properties this matters because conservation area requirements mean every visible material must match the original in profile, colour and texture.

Guarantees and Aftercare

GRP installations carry a 25-year manufacturer guarantee plus our 10-year workmanship guarantee. EPDM carries 20–25 years depending on the membrane specified. Both need minimal maintenance — clear the outlets twice a year and check the edges annually. We provide written aftercare guidance specific to your roof's design and your property's exposure to trees and debris.

Flat Roofing in Old Basing

£800–£6,000. Free, no-obligation quotes. Call 0125 624 2410.

Need a roofer in Basingstoke? Get your free quote today.

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The Process

How to Get Flat Roofing in Old Basing

Four steps from first call to completed work. No call-out fee, no obligation, and a written quote before anything starts.

1

Free Survey and Deck Assessment

We inspect your Old Basing flat roof — checking the membrane, deck condition, drainage falls, and detail work at upstands and edges. We recommend GRP or EPDM based on your specific requirements.

2

Written Quote with Specification

Your quote details: membrane system, deck replacement if needed, drainage fall calculation, edge trims, upstand detail, and guarantee. All materials specified by name.

3

Installation

Old covering stripped, deck inspected and repaired or replaced. New membrane installed with correct drainage falls, sealed upstands, and proper edge detail. Typically 1–3 days depending on size.

4

Handover with 25-Year Guarantee

Completed flat roof inspected, drainage tested, and all detail work checked. You receive a 25-year manufacturer-backed guarantee and our 10-year workmanship guarantee.

Ready to start? Call 0125 624 2410 for your free survey.

The process

From First Call to Sign-Off

1. Free survey and deck assessment

We check the covering, probe the deck for rot and delamination, measure the existing falls and inspect every upstand and outlet.

2. System recommendation and quote

GRP or EPDM chosen on the roof's shape, use and access — not on which costs more. Strip, deck, insulation, membrane and trims all itemised.

3. Strip to deck

The old covering comes off completely. We never overlay: it hides deck rot, adds weight and voids the manufacturer guarantee.

4. Deck repair and falls

Failed timber replaced with marine-grade plywood, and drainage falls built in with firring strips to at least 1:40.

5. Membrane and water test

GRP laid wet to a seamless shell, or EPDM fully bonded and mechanically terminated. We water-test drainage before handover.

Timescales

Typical Timescales

JobTypical duration
Porch or bay top1 day
Single garage1–2 days
Rear extension2–3 days
System-built integral sections3–5 days
Deck replacement+1–2 days

GRP resin needs above roughly 5°C and dry conditions to cure, which limits winter scheduling. EPDM tolerates cooler weather and is often the practical winter choice.

Access

Access, Scaffolding & Permits in Old Basing

Most flat roofs are reached from a tower or ladder with edge protection. Scaffold is specified for: first-floor and above, any roof with a walk-on requirement, and anywhere edge protection cannot be safely tower-mounted - always itemised in your written quote, never a hidden extra, and we arrange it.

Old Basing's historic lanes are the tightest access in our coverage area. Pavement scaffold licences and skip permits are routinely required, and conservation-area constraints affect where staging can be tied. Pavement scaffold and skip permits go through Basingstoke and Deane Borough Council; allow a few working days on streets like The Street, Bartons Lane, Milkingpen Lane where space is tight.

Pricing

What Flat Roofing Costs in Old Basing

JobTypical rangeNotes
Porch or bay top£650–£1,200Minimum-job pricing applies
Single garage — EPDM£1,200–£1,900One-day fit, 20-year guarantee
Single garage — GRP£1,500–£2,400Rigid walkable finish, 25-year guarantee
Extension roof — EPDM£2,000–£3,400Simple rectangular areas
Extension roof — GRP£2,400–£4,200Preferred where upstands or outlets are involved
System-built integral sections£2,400–£4,800South Ham, Popley — new deck and rebuilt falls

What moves the price

Worked example: Three integral flat sections on a system-built semi on Crossborough Hill, South Ham: strip, new marine ply deck, rebuilt falls and GRP throughout — £4,100 including VAT over four days.

A 10 to 20% deposit on material order for flat roof work, balance on completion after the water test. Nothing before materials are on site. All prices include VAT.

Covering RG24 and surrounding postcodes.

Guarantee

The Guarantee in Plain Terms

GRP carries a 25-year manufacturer guarantee and EPDM 20 to 25 years, both alongside our written 10-year workmanship guarantee.

If a fault appears in covered work, we come back and put it right. No quibbling, no re-charge.

Good to know

Living Around the Work

Noise during strip, and GRP has a distinct resin smell for a day that disperses quickly. Access to the room below is unaffected. You do not need to stay home for external work - we just need power and access agreed in advance.

EPDM installs in most conditions. GRP needs a genuinely dry window, so we schedule it around the forecast rather than pressing on and producing a finish that fails. The low-lying position near the Loddon holds morning damp longer than the surrounding downland, which matters for lime mortar scheduling.

Customer Reviews

What Old Basing Homeowners Say

★★★★★

"GRP flat roof on our rear lean-to. The old felt had been leaking for years. New marine ply deck, proper drainage falls, seamless finish. Bone dry since."

Margaret T. · The Street, Old Basing
★★★★★

"EPDM on the garage — Victorian original felt was beyond saving. Quick install, clean job, and the ponding problem is completely gone."

Jonathan P. · Bartons Lane, Old Basing
★★★★★

"Flat roof where the rear lean-to meets the main house was leaking at the junction. Stripped back, new GRP with proper upstands. Permanent fix at last."

Elizabeth W. · Belle Vue Road, Old Basing
FAQ

Frequently Asked Questions

Flat Roofing in Old Basing typically costs £800–£6,000 depending on scope and property type. We provide free, no-obligation quotes after inspecting your specific roof.

The most common issue in Old Basing is heritage material matching in conservation area. This is directly related to the 16th–19th century period cottages and listed buildings that make up most of the neighbourhood.

Yes. We cover Old Basing for all roofing services including emergencies. Call 0125 624 2410 any time — day or night.

Yes — Old Basing is one of our regular working areas. We understand the handmade clay and Welsh slate typical of 16th–19th century period cottages and listed buildings and carry appropriate materials on every visit.

We cover all of Old Basing including The Street, Bartons Lane, Belle Vue Road and surrounding roads. If you live in Old Basing, we know your roof.

For minor repairs, a visual inspection is usually sufficient. For significant work on Old Basing's 16th–19th century housing, we recommend a full inspection including loft access — this identifies hidden issues that affect the repair specification.

Old Basing is within our core Basingstoke coverage area. For emergencies, we aim for same-day attendance. For scheduled work, we typically book within 1–2 weeks depending on the season.

GRP handles normal foot traffic for maintenance access. EPDM is walkable but should not have heavy objects dragged across it. For regular terrace use we specify a reinforced non-slip topcoat.

Yes, and it is the most cost-effective moment to do it. Rigid boards above or below the deck improve thermal performance significantly, and combining the work avoids paying for the same job twice.

Get In Touch

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Last updated: August 2026

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