⭐ 4.9/5 · 143 Google Reviews · Long Crendon, Aylesbury
Flat Roofing in Long Crendon
Flat Roofing specialists covering Long Crendon and all of Aylesbury. medieval and vernacular core, Victorian and Edwardian expansion housing, clay plain tile, stone slate, and handmade clay on listed properties. Free surveys, no call-out fee, 10-year guarantee on all work.
Flat roofing in Long Crendon costs £800–£6,000. We install GRP fibreglass and EPDM rubber systems, both carrying 25-year manufacturer warranties. Most single garages and extensions are completed in one day after a free deck survey. Call 0129 670 6028.
Flat Roofing — Long Crendon
Local Flat Roofing Specialists for Long Crendon
Long Crendon is one of Buckinghamshire's finest conservation villages, with a 14th-century courthouse and a conservation area covering much of the village centre. The roofing work here is categorically different from the Aylesbury estate work that dominates the rest of our portfolio — listed buildings, vernacular clay plain tile and stone slate, lime mortar specification, and in many cases listed building consent requirements before any material intervention. Getting it wrong on a Long Crendon property causes more harm than leaving it.
Long Crendon sits on a clay ridge with views across the Thames Valley to the south. The slightly elevated position and the heavy clay soil create a combination of wind exposure at ridge level and persistent moisture at ground level — lead flashings on the south-west facing chimney stacks of the village's historic properties experience particularly active thermal cycling.
Flat Roofing and the Long Crendon Housing Stock
Flat Roofing in Long Crendon — What Makes It Different
Flat roofing in Long Crendon is less common than in the Aylesbury estate areas — the village's historic properties predominantly have traditional pitched roofs. Where flat sections exist on outbuildings, modern extensions, or converted farm buildings, the conservation area materials guidance should be confirmed before specifying GRP or EPDM.
What We Find in Long Crendon
The specific Long Crendon flat roofing situation: modern extensions added to historic properties in the 1980s–90s with torch-on felt now at end of life. These extensions may have planning conditions attached — confirmation that replacement like-for-like is acceptable is worth obtaining before the installation programme begins.
Our Approach to Flat Roofing in Long Crendon
Planning confirmation for all Long Crendon flat roofing work on historic properties. Standard GRP or EPDM specification for confirmed installations. Particular attention to the junction between the new flat roof section and the historic pitched roof — this detail must be handled correctly to prevent water ingress at the transition.
How We Work
The Flat Roofing Process in Long Crendon
Deck survey first.We probe the deck for moisture saturation at multiple points. A dry deck gets a new membrane over it; a saturated deck needs replacement first. We confirm the deck condition before the quote is finalised.
Falls assessment.Flat roofs must drain. We check existing falls and drainage outlets. If the roof ponds water, we identify the cause and include falls correction in the specification.
System selection.GRP fibreglass for most standard installations — one-piece seamless membrane, 25-year warranty. EPDM for larger spans where thermal movement is greater. We specify the system appropriate to the roof, not the one with the better margin.
Installation day.Most single extensions and garages are completed in one day. The old covering is stripped, deck inspected, GRP or EPDM installed, perimeter detailed, outlets fitted. Site left clear.
Dual guarantee.25-year manufacturer system warranty plus our 10-year workmanship guarantee. Both issued in writing.
Every job starts with a free survey. Call 0129 670 6028 to book yours.
Pricing
Flat Roofing Costs in Long Crendon
Typical pricing for flat roofing work in Long Crendon. Exact costs confirmed in a written itemised quote — no surprises on the invoice.
Work type
Typical cost
Single garage flat roof replacement, GRP (16–18m²)
£1,400–£2,200
Rear extension flat roof, GRP (20–30m²)
£2,000–£3,500
Large flat roof, EPDM (30–50m²)
£3,000–£5,000
Deck replacement (per m²) if required
£40–£70 per m² additional
Drainage improvement (outlets, falls correction)
£200–£600 additional
Insulation upgrade during re-roofing
£400–£1,200 depending on spec
All prices include VAT where applicable. Scaffold cost included in all quotes where required. Free survey — call 0129 670 6028.
Need flat roofing in Long Crendon? Free survey, no call-out fee.
Flat roofs fail differently from pitched ones. Here is how to tell whether yours needs replacing — and whether the deck is the real problem.
Ponding water that sits on the roof days after rain
Blistering, cracking or splitting in an old felt surface
A soft or springy feel underfoot indicating a saturated deck
Water staining on the ceiling of the room below
Original built-up felt over 15 years old on a garage or extension
When it is not the answer: If the failure is a localised split on an otherwise sound roof with a dry deck, a repair — not a full replacement — is the honest fix. We prove the deck condition before recommending either. Read the full guide.
Warm deck vs cold deck — how a flat roof is built upThe process
From First Call to Sign-Off
1. Free deck survey
We probe the deck at multiple points for moisture and check the falls, then show you the readings and the honest repair-or-replace picture.
2. Written itemised quote
GRP or EPDM specified to suit the roof, with any deck replacement shown as a clear contingency, not a surprise.
3. Scheduling
Most single garages and extensions are booked and completed inside a day or two.
4. The work
Old covering stripped, deck made good, GRP or EPDM installed with perimeter and outlet detailing.
5. Cleanup & sign-off
Site cleared; 25-year manufacturer warranty and 10-year workmanship guarantee issued in writing.
Timescales
How Long Does It Take?
Job
Typical duration
Single garage, GRP
1 day
Rear extension, GRP
1–2 days
Large flat roof, EPDM
2–3 days
With deck replacement
add 1 day
GRP needs dry, above-minimum temperatures to cure, so cold or wet spells can push a booking — EPDM is more weather-tolerant.
Access
Access, Scaffolding & Permits in Long Crendon
Most flat roofs are single-storey and reached from a tower; scaffold is quoted only where the roof is high or awkward. Scaffold is specified for: first-floor and higher flat roofs, or where safe edge protection is needed - always itemised in your written quote, never a hidden extra, and we arrange it.
Long Crendon's celebrated conservation village has thatched and period cottages, many listed, on tight lanes — access and materials both need specialist care. Pavement scaffold and skip permits go through Buckinghamshire Council; allow a few working days on streets like High Street, Bicester Road, Chearsley Road where space is tight.
Pricing
Long Crendon Flat Roofing: Cost Guide
Job
Typical range
Notes
Single garage, GRP
£1,400–£2,200
16–18m²
Rear extension, GRP
£2,000–£3,500
20–30m²
Large flat roof, EPDM
£3,000–£5,000
30–50m²
Deck replacement, if needed
£40–£70/m²
Where saturated
Insulation upgrade
£400–£1,200
Building Regs thermal element
What moves the price
Deck condition — sound or saturated
GRP versus EPDM for the span
Roof size and number of outlets
Whether falls need correcting
Building Regs insulation upgrade on replacement
Worked example: A GRP re-cover on a Bedgrove rear extension with a sound deck runs about £2,600, completed in a day and a half.
No deposit on repairs under £500; staged payment on full replacements, nothing before materials on site. VAT included.
Covering HP18 and surrounding postcodes.
Guarantee
The Guarantee in Plain Terms
Both GRP and EPDM carry 25-year manufacturer warranties, with our 10-year workmanship guarantee on top of the installation.
Covered: workmanship for 10 years, in writing, transferable if you sell.
On top: manufacturer warranties on materials (terms vary by product).
Not covered: storm or impact damage - that is an insurance matter, and we will document it for your claim.
If a fault appears in covered work, we come back and put it right. No quibbling, no re-charge.
Good to know
What It Is Like While We Work
A day or two of work over a garage or extension, largely external — minimal disruption to the house. You do not need to stay home for external work - we just need power and access agreed in advance.
GRP is temperature and moisture sensitive during cure; we schedule around the forecast. EPDM can be laid in a wider weather window. Elevated above the Thame valley, the village is exposed to wind while its period roofs are highly water-shedding-sensitive.
Customer Reviews
What Long Crendon Customers Say
Reviews from homeowners in Long Crendon and the surrounding streets. All verified — names and locations as provided to us.
★★★★★
"Listed property on the High Street — clay plain tile repair following a significant storm. They confirmed the listed building position, sourced matching handmade tile from a specialist supplier, and used NHL lime mortar throughout. The work is indistinguishable from the original. Genuinely specialist."
Carlton H. · High Street, Long Crendon
★★★★★
"Lead valley replacement on our Grade II listed cottage. Listed building consent confirmed before survey. BS6915 Code 5 lead, correct bay lengths, patination oil applied. The work meets the standard you would expect on a listed property. We will use them again."
Carlton H. · Bicester Road, Long Crendon
★★★★★
"Cast iron guttering on our 17th-century property — original cast iron, all joints failed. They re-sealed all joints, applied internal bituminous treatment, and confirmed the overall condition was sound. No replacement needed for at least another decade. Correct diagnosis."
Carlton J. · Chearsley Road, Long Crendon
Long Crendon Flat Roofing FAQ
Frequently Asked Questions
Most flat roofing work in Long Crendon costs between £800–£6,000. The exact cost depends on the size of the job, access requirements, and materials specified. We provide free, itemised written surveys — no call-out fee, no obligation. Call 0129 670 6028 to book.
We cover Long Crendon from our Aylesbury base — typically under 15 minutes for emergency call-outs and within 48 hours for survey appointments. Emergency line answered 24/7 on 0129 670 6028.
The dominant roofing issue in Long Crendon is conservation area and listed building constraints; lime mortar required; clay plain tile matching mandatory. Our survey specifically addresses this rather than applying a standard template across all properties. Call 0129 670 6028 for a free assessment of your specific property.
No. All work in Long Crendon is carried out by our own directly employed team from our Aylesbury base. The people who survey your roof are the people who fix it — no agency workers, no subcontractors, direct accountability on every job.
Yes. All work carries a written 10-year workmanship guarantee. If anything fails due to our workmanship within that period, we return and fix it at no charge. Material warranties from manufacturers are additional and issued in writing on completion.
For most like-for-like repair and replacement work in Long Crendon, planning permission is not required. Conservation area and listed building properties require confirmation with Buckinghamshire Council before any material change. We check the planning position at survey and advise accordingly.
Call 0129 670 6028 or use the contact form. We cover Long Crendon from our Aylesbury base and can arrange a free survey within 48 hours in most cases. Surveys include a written report with prioritised recommendations — no obligation to proceed with any work.
