For Builders in Cardiff

293 jobs just hit Cardiff planning. None of those homeowners know you exist yet.

PlanPost turns new planning applications into construction leads across Cardiff: we spot each relevant application the day it's filed, then print and post a branded letter from you to the homeowner before they've even started looking for a builder. Review each lead, or set it to auto-send the lot. Your letter lands on a doormat before anyone else's van turns up.

  • 293 applications in Cardiff in the last 90 days
  • Letters printed and posted for you, via Royal Mail
  • From £39/mo, cancel anytime
Updated this morning · 1 council monitored · Letters included · Cancel anytime
Live data

Live leads in Cardiff you could be winning

Sample of the planning applications builders are quoting on right now. Last 90 days.

293 live applicationsMostly Extensions (142)Updated this morning

50 of 293 shown below, anonymised to street level. Subscribe to get every new lead with full details, plus a starter batch the day you sign up.

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Penydarren DriveCF14

Proposed Single Storey Side/Rear Extension with Garage Conversion

ExtensionConversionSingle StoreyRear ExtensionGarage Conversion
1 week ago7 Oct

Mill RoadCF14

Proposed first floor extension at side of house

ExtensionFirst Floor Extension
1 week ago7 Oct

Brynteg Rhiwbina CardiffCF14

Proposed single storey rear extension to the existing semi-detached dwelling including minor internal and external modifications

ExtensionNew BuildSingle StoreyRear ExtensionDetached House
1 week ago6 Oct

Kimberley RoadCF23

Proposed ground floor rear side return extension

ExtensionGround Floor Extension
1 week ago6 Oct

Deganwy CloseCF14

Porch extension.

ExtensionPorch
1 week ago5 Oct

Shah Jalal Islamic Cultural Centre Crwys RoadCF24

Proposed installation of a wooden and glass panel to protect the porch from rain and weather

HeritageExtensionPorch
1 week ago5 Oct

Celyn GroveCF23

Proposed first floor extension to the rear, including minor internal modifications

ExtensionFirst Floor Extension
1 week ago5 Oct

Janet StreetCF24

Proposed conversion of dwelling to form two flats

New BuildConversionFlat Conversion
1 week ago5 Oct

Amesbury RoadCF23

Proposed Loft & Rebuild of Existing Extension

Extension
1 week ago2 Oct

Bassetts FieldCF14

Proposed single storey flat roof extension to rear

LoftSingle StoreyFlat Roof
1 week ago2 Oct

Heol Hir Llanishen CardiffCF14

Proposed single storey rear extension, small double height extension and attic conversion including roof extensions

ExtensionLoftSingle StoreyRear ExtensionRoof Space Conversion
1 week ago2 Oct

Parc-y-fro Creigiau CardiffCF15

Proposed two storey side extension & front porch canopy

ExtensionTwo StoreySide ExtensionFront Extension
1 week ago1 Oct
Show 38 more applications

Heol Caerhys Rhiwbina CardiffCF14

Demolition of existing single story garage to the side of the property. Demolition of existing single story extension and conservatory to the rear of the property. Addition of single story extension…

ExtensionSingle StoreyConservatoryDemolition
1 week ago1 Oct

Rhos StreetCF83

Demolish existing conservatory and erect a single storey flat roof rear extension

ExtensionSingle StoreyRear ExtensionConservatory
1 week ago1 Oct

Major RoadCF5

Single-storey rear extension

ExtensionSingle StoreyRear Extension
2 weeks ago30 Sept

Museum Of Welsh Life Michaelston RoadCF5

The installation of 2 no. Security Shutters at the principal entrances to the Wales Gallery, St Fagan's Museum of Welsh Life main building.

Heritage
2 weeks ago29 Sept

St Isan Road HeathCF14

Proposed ground and first floor rear and side extension

ExtensionSide ExtensionFirst Floor Extension
2 weeks ago29 Sept

Miskin StreetCF24

Rear/Side ground floor extension plus internal alterations to existing sui generis HMO.

ExtensionGround Floor ExtensionInternal AlterationsHMO Conversion
2 weeks ago28 Sept

Wyndham CrescentCF11

Change of use from accountancy office back to single residential dwelling.

ConversionOffice to ResidentialChange of Use Class
2 weeks ago25 Sept

Orchard Lodge Highfields Llandaff CardiffCF5

Conversion of integral garage into habitable accommodation, internal alterations and new detached single garage.

ConversionInternal AlterationsHabitable Space Conversion
2 weeks ago25 Sept

Albany RoadCF24

Proposed larger dormer.

LoftDormer
2 weeks ago25 Sept

Maelog PlaceCF14

Single storey rear extension.

ExtensionSingle StoreyRear Extension
2 weeks ago24 Sept

Heol Stradling Whitchurch CardiffCF14

Demolition, reconstruction, and extension of garage.

ExtensionDemolition
2 weeks ago24 Sept

Homelands Road HeathCF14

Single storey rear extension.

ExtensionSingle StoreyRear Extension
2 weeks ago24 Sept

Penrhos Radyr CardiffCF15

Demolish single storey side extension. Erect 2 storey side extension, small front single storey extension and rear single storey extension.

ExtensionSingle StoreyTwo StoreySide Extension
3 weeks ago23 Sept

Heathwood Road HeathCF14

Single storey rear extension and garage conversion.

ExtensionConversionSingle StoreyRear ExtensionGarage Conversion
3 weeks ago23 Sept

City RoadCF24

Extension of flat roof to either side of extension to form weather canopy for customers and deliveries.

ExtensionCanopyFlat Roof
3 weeks ago22 Sept

Ton-yr-ywen Avenue HeathCF14

Ground and First flor extensions with rear dormer loft conversion.

ExtensionLoftDormerLoft Conversion
3 weeks ago22 Sept

Celyn AvenueCF23

Rear extensions and alterations to the property.

ExtensionRear Extension
3 weeks ago22 Sept

Pine Wood CrescentCF23

Proposed single storey side extension, including demolition of existing garage

ExtensionSingle StoreySide ExtensionDemolition
3 weeks ago21 Sept

Pum Erw Road HeathCF14

Proposed single storey rear extension and associated works

ExtensionSingle StoreyRear Extension
3 weeks ago21 Sept

St Ina Road HeathCF14

Demolition of existing garage, erection of single storey rear and side extension

ExtensionSingle StoreySide ExtensionDemolition
3 weeks ago21 Sept

Cefn Coed AvenueCF23

Detached garden room.

OutbuildingGarden Office
3 weeks ago21 Sept

Wyeverne RoadCF24

Ground and first floor rear extension, hip to gable dormer loft conversion, including conversion from three to four flats

ExtensionLoftNew BuildRear ExtensionFirst Floor ExtensionDormer
3 weeks ago21 Sept

St Michael's RoadCF5

Demolition of existing store / garden room and construct new two storey side and rear extension.

ExtensionOutbuildingTwo StoreyRear ExtensionGarden Office
3 weeks ago18 Sept

Bishop's RoadCF14

Proposed single storey rear infill extension and proposed single storey side extension

ExtensionSingle StoreyRear ExtensionSide Extension
3 weeks ago18 Sept

Milestone Close HeathCF14

Conversion of integral garage.

Conversion
3 weeks ago18 Sept

Drum Tower ViewCF83

Erect conservatory to the rear of the property

ExtensionConservatory
3 weeks ago17 Sept

Dol Y Llan Miskin Pontyclun Rhondda Cynon TafCF72

Proposed single storey rear / side extension & front porch Alterations, including demolition of existing single storey rear extension

ExtensionSingle StoreyRear ExtensionSide Extension
3 weeks ago17 Sept

Fairwater RoadCF5

Replacing 3 broken sash windows with new panes, replicating the style of the current windows and using the same materials (except using single glazing rather than the double glazing that was added, a…

HeritageDouble Glazing
3 weeks ago17 Sept

Llwyn Y Pia RoadCF14

Proposed single storey side / rear extension with minor internal alterations

ExtensionSingle StoreyRear ExtensionInternal Alterations
3 weeks ago17 Sept

Bridge StreetCF5

Proposed conversion of existing garage into a utility room and the replacement of the conservatory with a two storey rear extension

ExtensionConversionTwo StoreyRear ExtensionConservatory
3 weeks ago17 Sept

Richmond RoadCF24

Ground and first floor rear extensions to existing flats.

ExtensionRear ExtensionFirst Floor Extension
4 weeks ago16 Sept

Donald StreetCF24

Proposed side dormer addition to the rear annex utilising the existing 2nd floor space.

LoftOutbuildingDormerAnnex/Annexe
4 weeks ago15 Sept

Nant Y Gwladys St Fagans CardiffCF5

Proposed single storey rear extension, associated internal reconfiguration, and replacement front porch

ExtensionSingle StoreyRear ExtensionFront Extension
4 weeks ago15 Sept

Pen-y-dre Rhiwbina CardiffCF14

Rear single storey extension.

HeritageExtensionSingle Storey
4 weeks ago14 Sept

Pen-y-dre Rhiwbina CardiffCF14

Proposed rear single storey extension

ExtensionSingle Storey
4 weeks ago14 Sept

Llewelyn Goch St Fagans CardiffCF5

Demolition of existing front left bay window and erection of single storey front extension. Conversion of and front extension to existing garage.

ExtensionConversionOutbuildingSingle StoreyFront ExtensionNew/Detached Garage
4 weeks ago14 Sept

The Retreat Penylan CardiffCF23

Proposed conversion of roof space, side & rear extensions & internal alterations to form a HMO

ExtensionLoftConversionRear ExtensionInternal AlterationsHMO Conversion
1 month ago11 Sept

Llandaff RoadCF11

Rear/side dormer loft conversion and rear balcony.

LoftDormerLoft ConversionBalcony (non-Juliet)
1 month ago11 Sept

12-month application volume

Cardiff sees between 74 and 144 planning applications per month (averaging 113); recent months are rising.

Local intelligence

Know your patch: what gets built in Cardiff, by whom, and who approves it

The patterns behind the leads. Helpful when you're deciding which jobs to chase.

What's being built in Cardiff

Application volume by project type, last 90 days.

Extensions
142
Loft conversions
21
Conversions
11
Heritage
11
New builds
11
Outbuildings
7
Applications · 90d
293
vs 375 prior quarter
Approval rate
91%
97 decided
Biggest category
Extensions
142 apps
vs prior 90d
-22%

How Cardiff works

Approval rates, decision times and what gets approved most often. Last 12 months.

Cardiff

83% of the area
Approval rate
91%
Median decision
7.6 wk

Most approved

  • Conservatory100%
  • Balcony100%
  • Solar Panels100%

Towns we cover in Cardiff

1 towns, ordered by population.

The product

From planning application to doormat in 24 hours

Done-for-you letters

Branded letters, printed and posted for you

Upload your logo and letterhead once, or let PlanPost generate one for you. Every matched application triggers a letter personalised with the homeowner's address and the project they applied for. The greeting stays “Dear Homeowner”: we never use their name. Royal Mail, same working day.

“The letters look better than anything I'd have put together myself. One landed on a £72k loft before the homeowner had even spoken to another builder.”
CK
Chris K.
Owner, CSK Property
Oakwood
Construction
EST. 2012 · SHEFFIELD
14 Station Road
Sheffield S7 4RQ
0114 555 0192
The Homeowner
22 Laurel Gardens
Sheffield
S7 1DH
15 April 2026
Re: Your planning application at 22 Laurel Gardens

Dear Homeowner,

Congratulations on submitting your planning application for a loft conversion at 22 Laurel Gardens. It's exciting to see local homeowners investing in improving their properties.

I'm writing to introduce Oakwood Construction, a local building company that specialises in extensions, loft conversions and home improvements across South Sheffield. We've been trading since 2012, and everything we build is carried out by our own team rather than subcontractors, so someone is on your job every day and the work never stalls.

We finished a loft conversion much like yours on Abbeydale Road earlier this year: two bedrooms and a shower room, done in eleven weeks with the family living at home throughout.

I know the two big questions at this stage are what it will really cost and what it's like to live through the build. Those are exactly the things I'd rather set out honestly with you before you commit to anything.

If you'd like to discuss your plans or would welcome a free, no-obligation consultation, I'd be happy to visit at a time that suits you. Call me on 0114 555 0192, or scan the code below to see examples of our recent work.

I look forward to hearing from you.

Kind regards,

Dave Morgan
Director · Oakwood Construction
Scan to see our work
Royal
Mail

How PlanPost works in Cardiff

From planning application to letter on the homeowner's doormat, done for you, in 24 hours.

1

We monitor Cardiff every day

Every new planning application is pulled in within 24 hours and matched to your project types and working radius. No spam, no irrelevant noise.

Same-day
2

Your branded letter goes in the post

Your letterhead and your chosen letter template, merged with the homeowner's address and project details, then sent by Royal Mail. Printing and postage included.

Done for you
3

You track every lead through to won

A proper sales pipeline. From posted to responded, quoted, and won, with timeline events, notes and deal values so you see what's working.

Real pipeline

Pick a plan and start winning Cardiff jobs

Monthly rolling. Letters included in every plan. Cancel or pause anytime.

Starter

£39/mo + VAT

£46.80 inc. VAT

25 letters / month included

Start with Starter

Professional

Most popular

£79/mo + VAT

£94.80 inc. VAT

50 letters / month included

Start with Professional

Business

£149/mo + VAT

£178.80 inc. VAT

100 letters / month included

Start with Business

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