Design Spec Limited

Design Spec Limited is an architectural practice in Rochford, Essex. See its accreditations, specialisms and planning track record.

210applications

62%approved

19councils

Full track record →

Active on Companies House

09106854

Architectural Activities

Verified

Unit F2, Launchpad, Airport Business Park, Cherry Orchard Way, Rochford, Essex, SS4 1YH, England

Call 01702 567955

designspec.com 01702 567955 info@designspec.co.uk

About Design Spec Limited

Design Spec Ltd are Essex and Hertfordshire's fixed-fee architectural designers, specialising in house extensions, loft conversions, garage conversions, and planning permission drawings. We deliver same-day fixed-fee quotations with no hourly billing and no hidden extras. Services include planning applications, building regulations drawings, structural calculations, party wall surveying, and permitted development advice. Every client receives a free introduction to a vetted local builder through our Connect network once planning is approved. We serve homeowners across Essex, Hertfordshire, and the wider South East. From first enquiry to planning approval and beyond, Design Spec offers reliable local expertise with complete transparency.

Service Areas

Southend-on-Sea Borough Council · Rochford District Council · Chelmsford City Council · St Albans City and District Council · Essex County Council

Reviews

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Credentials

Houzz member· added by the businessSee reviews

Memberships can lapse, so check before work starts.

Project Types & Specialisms

Heritage & Planning Status

Grade I listed buildings · Grade II* listed buildings · Grade II listed buildings · Conservation area properties

Residential Project Types

Home extensions and renovations · Loft, basement and garage conversions · Internal remodelling / reconfiguration · New-build single homes · New-build housing developments / estates · Barn conversions and farmsteads · Flats / apartment buildings (incl. conversions)

Planning Application Track Record

210

Applications

62%

Approval Rate

19

Local Authorities

8

Appeals (38% successful)

Local Authorities

Babergh Mid Suffolk

Basildon

Brent

Brentwood

Cambridge

Canterbury

Castle Point

Dacorum

East Hertfordshire

Harlow

Redbridge

South Cambridgeshire

Southend

Uttlesford

Application Types

Extensions

93

Other

70

Demolition

11

Change of Use

10

New Dwellings

10

Prior Approval

8

Tree Works

2

Commercial

1

Planning Application History (100)

99 of 100 applications have a map location

Single storey side and rear extensions. Relocation of front entrance to the principal elevation with erection of a porch canopy.

17 Whitehill Road Cambridge Cambridgeshire CB5 8LU

Cambridge2026-08-28

HW/FUL/25/00305

Proposed new self-build, three-bedroom end-of-terrace dwelling with private amenity space and associated parking to the side of No. 3 Long Ley.

3 Long Ley Harlow Essex CM20 3NH

Harlow2025-07-09

Installation of external wall insulation with rendered finish, alteration to the colour of the front entrance door, construction of a mono-pitched rear canopy incorporating solar panels, erection of a detached garden shed, installation of 2m high boundary fencing along the eastern boundary, and installation of a new entrance gate to the existing driveway

Eastview 29 New Path Bishops Stortford Hertfordshire CM23 3TX

East Hertfordshire2026-09-07

Erection of single storey annexe incorporating a triple garage and garage conversion to existing house.

Lark Rise London Road Spellbrook Hertfordshire CM23 4BA

East Hertfordshire2026-02-17

Proposed minor internal changes to bathroom space, and remedial works to solve damp, dry and infestation damages

33 - 35 Knight Street Sawbridgeworth Hertfordshire CM21 9AX

East Hertfordshire2026-09-09

Certificate of lawfulness for proposed garage conversion

47 Bishops Avenue Bishops Stortford Hertfordshire CM23 3EJ

East Hertfordshire2026-09-30

Notification of proposed single storey rear extension; Depth extending from the original rear wall of 4.00 metres, a maximum height of 3.20 metres and an eaves height of 3.00 metres

10 Cherry Gardens Sawbridgeworth Hertfordshire CM21 9DW

East Hertfordshire2026-03-12

Full Planning Application - Change of use from a dwellinghouse (Use Class C3) to a solo residential children's home (Use Class C2) providing care for one young person, with associated 24 hour staffing.

20 Edies Lane Leavenheath Colchester Suffolk CO6 4PA

Babergh Mid Suffolk2026-09-29

Loft conversion with a rear dormer incorporating a Juliet balcony. Three front

505, New North Road, Hainault, Ilford, IG6 3TF

Redbridge2026-09-19

Demolish existing building and erect new dwellinghouse with balconies to front, layout associated amenity space, cycle store and parking

61 Chalkwell Esplanade Westcliff-On-Sea Essex SS0 8JH

Southend2020-04-24

Application to vary condition 2 (approved plans) to allow the substitution of approved drawings with revised drawings reflecting amendments to the front elevation (Material Amendment to planning permission 25/00034/FULH dated 30.09.2025)

55 First Avenue Westcliff-on-sea Essex SS0 8HP

Southend2026-05-18

Demolish existing bungalow and erect no.3 new dwellings with associated amenity space, parking to front and form three new vehicle crossovers onto Elmsleigh Drive

34 Elmsleigh Drive Leigh-On-Sea Essex SS9 3DN

Southend2020-12-16

Single storey rear extension with roof lantern (Lawful Development Certificate - Proposed)

65 Fleetwood Avenue Westcliff-on-sea Essex SS0 9RB

Southend2026-03-13

Application to remove Condition 11 (BREEAM Rating) of planning permission 25/01582/FUL dated 04.02.2026

Rear Of 1075 London Road Leigh-on-sea Essex SS9 3JP

Southend2026-04-10

Erect single storey rear extension and alter elevations

21 Lovelace Avenue Southend-on-sea Essex SS1 2QU

Southend2026-01-30

Application to vary condition 01 (Approved Plans) - Replace drawings '3310/04/44 Sheet 1 of 2 Revision 03'; '3310/04/44 Sheet 2 of 2 Revision 03' and WSW R2 Quotation L25448/Q9 with drawings 3310/04/44 Sheet 1 of 2 Revision 10; 310/04/44 Sheet 2 of 2 Revision 10 and Quote Estimate no. 197765_Rev_09 to change the details of the windows to the first and second floor (Material Amendment of Planning Permission to planning permission 23/01171/FUL dated 30/01/2025)

151 Hamlet Court Road Westcliff-on-sea Essex SS0 7EW

Southend2026-01-21

Application for approval of details pursuant to conditions 03 (details of materials), 05 (details of hard and soft landscaping), 06 (details of renewable energy),, 09 (details of refuse and cycle storage) and 11 (construction method statement) of planning permission 19/01629/FUL dated 26.11.2019

128 Richmond Avenue Shoeburyness Southend-On-Sea Essex SS3 9LF

Southend2020-12-04

20/02201/PA3COU

Change of use to part of ground floor office to one self contained flat (Class C3) (Prior Approval)

Conway & Conway 867 London Road Westcliff-On-Sea Essex SS0 9SZ

Southend2020-12-22

20/01191/PA3COU

Change of use from office space (Class B1a) to 5 self-contained flats (Class C3), raise ridge height, hip to gable roof extension, erect dormer to rear, install bin and cycle stores (Prior Approval)

Conway & Conway 867 London Road Westcliff-On-Sea Essex SS0 9SZ

Southend2020-07-23

Use dwelling (Class C3) as a 5-person HMO (Class C4) (Certificate of Lawfulness - Proposed)

22 Maldon Road Southend-on-sea Essex SS2 5AZ

Southend2026-02-09

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