80 m² detached house turnkey: 2026 ancillary costs with basement
Cost model for a 80 m² detached house, turnkey, with basement: review house price, foundation, ancillary costs, external works and a realistic budget buffer.
Knowledge libraryCosts & budget Floor plans & planning Energy & technology Home finance & KfW Insurance Building law & permissions Tiny & modular homes Costs & budget Floor plans & planning Energy & technology Home finance & KfW Insurance Building law & permissions Tiny & modular homes Costs & budget Floor plans & planning Energy & technology Home finance & KfW Insurance Building law & permissions Tiny & modular homes Costs & budget Floor plans & planning Energy & technology Home finance & KfW Insurance Building law & permissions Tiny & modular homes Costs & budget Floor plans & planning
PFlower knowledge library: home building, costs, energy & law
Practical guides on house costs, floor plans, finance, insurance, building law, energy, tiny and modular homes.
Released guides4.500
Topics7
LanguageEN
Updated23.08.2026
AllCosts & budgetFloor plans & planningEnergy & technologyHome finance & KfWInsuranceBuilding law & permissionsTiny & modular homes
200 m² modular house with 4 rooms and mono-pitch roof: floor-plan check
Planning guide for 200 m², 4 rooms and a mono-pitch roof: review area allocation, circulation, storage, plant space and common trade-offs before design work.
home battery for a 210 m² prefab house: 2026 consumption and operation
Practical guide to home battery in a 210 m² prefab house: check loads, building envelope, plant space, electricity use, funding eligibility and quotations in a structured way.
Financing a detached house: €300k budget, 10% equity – financing ancillary costs
Financing example with a €300,000 project budget and 10% equity: assess funding need, reserves, KfW checks and payment timing without inventing interest rates.
building insurance for a prefab house during assembly and fit-out: when does it matter?
Insurance check for a prefab house during assembly and fit-out: compare insured risks, exclusions, transition from construction to occupation and the documents worth checking before purchase.
development plan for a detached house in Nordrhein-Westfalen: common risks
Guide to development plan in Nordrhein-Westfalen for a detached house: separate federal planning law, state building rules, local requirements, documents and authority review before committing.
20 m² modular house for garden use: planning energy
Practical guide to a 20 m² modular house for garden use: check energy, site, utilities, technical needs and legal classification before ordering.
230 m² prefab bungalow owner-finish: 2026 budget planning with basement
Cost model for a 230 m² prefab bungalow, owner-finish, with basement: review house price, foundation, ancillary costs, external works and a realistic budget buffer.
240 m² prefab bungalow with 7 rooms and gable roof: floor-plan check
Planning guide for 240 m², 7 rooms and a gable roof: review area allocation, circulation, storage, plant space and common trade-offs before design work.
heat pump for a 130 m² detached house: 2026 consumption and operation
Practical guide to heat pump in a 130 m² detached house: check loads, building envelope, plant space, electricity use, funding eligibility and quotations in a structured way.
Financing a timber prefab house: €650k budget, 30% equity – financing ancillary costs
Financing example with a €650,000 project budget and 30% equity: assess funding need, reserves, KfW checks and payment timing without inventing interest rates.
contents insurance for a prefab bungalow before construction: comparing policies
Insurance check for a prefab bungalow before construction: compare insured risks, exclusions, transition from construction to occupation and the documents worth checking before purchase.
neighbour and boundary issues for a prefab house in Hessen: common risks
Guide to neighbour and boundary issues in Hessen for a prefab house: separate federal planning law, state building rules, local requirements, documents and authority review before committing.
100 m² tiny house for holiday use: planning foundation
Practical guide to a 100 m² tiny house for holiday use: check foundation, site, utilities, technical needs and legal classification before ordering.
170 m² prefab bungalow owner-finish: 2026 cost comparison with basement
Cost model for a 170 m² prefab bungalow, owner-finish, with basement: review house price, foundation, ancillary costs, external works and a realistic budget buffer.
200 m² villa-style prefab house with 7 rooms and flat roof: storage and utility space
Planning guide for 200 m², 7 rooms and a flat roof: review area allocation, circulation, storage, plant space and common trade-offs before design work.
insulation and building envelope for a 90 m² prefab bungalow: 2026 system integration
Practical guide to insulation and building envelope in a 90 m² prefab bungalow: check loads, building envelope, plant space, electricity use, funding eligibility and quotations in a structured way.
Financing a detached house: €750k budget, 25% equity – financing ancillary costs
Financing example with a €750,000 project budget and 25% equity: assess funding need, reserves, KfW checks and payment timing without inventing interest rates.
building insurance for a prefab bungalow from move-in: cover and gaps
Insurance check for a prefab bungalow from move-in: compare insured risks, exclusions, transition from construction to occupation and the documents worth checking before purchase.
Section 34 BauGB for a prefab bungalow in Bremen: documents and preparation
Guide to Section 34 BauGB in Bremen for a prefab bungalow: separate federal planning law, state building rules, local requirements, documents and authority review before committing.
25 m² small house for holiday use: planning plot choice
Practical guide to a 25 m² small house for holiday use: check plot choice, site, utilities, technical needs and legal classification before ordering.
70 m² timber prefab house owner-finish: 2026 cost per m² with slab foundation
Cost model for a 70 m² timber prefab house, owner-finish, with slab foundation: review house price, foundation, ancillary costs, external works and a realistic budget buffer.
220 m² modular house with 7 rooms and gable roof: floor-plan check
Planning guide for 220 m², 7 rooms and a gable roof: review area allocation, circulation, storage, plant space and common trade-offs before design work.
Efficiency House 40 for a 140 m² modular house: 2026 planning
Practical guide to Efficiency House 40 in a 140 m² modular house: check loads, building envelope, plant space, electricity use, funding eligibility and quotations in a structured way.
Financing a detached house: €550k budget, 25% equity – financing ancillary costs
Financing example with a €550,000 project budget and 25% equity: assess funding need, reserves, KfW checks and payment timing without inventing interest rates.
heat-pump insurance for a modular house during ongoing occupation: comparing policies
Insurance check for a modular house during ongoing occupation: compare insured risks, exclusions, transition from construction to occupation and the documents worth checking before purchase.
development plan for a detached house in Brandenburg: documents and preparation
Guide to development plan in Brandenburg for a detached house: separate federal planning law, state building rules, local requirements, documents and authority review before committing.
70 m² modular house for garden use: planning foundation
Practical guide to a 70 m² modular house for garden use: check foundation, site, utilities, technical needs and legal classification before ordering.
190 m² timber prefab house owner-finish: 2026 budget planning with slab foundation
Cost model for a 190 m² timber prefab house, owner-finish, with slab foundation: review house price, foundation, ancillary costs, external works and a realistic budget buffer.
240 m² timber prefab house with 5 rooms and hip roof: storage and utility space
Planning guide for 240 m², 5 rooms and a hip roof: review area allocation, circulation, storage, plant space and common trade-offs before design work.